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Kamis, 31 Oktober 2019

Hikayat "IALA CARDINAL BUOYAGE SYSTEM"

Asal mula (Hikayat) "Cardinal Buoyage System".


Salam Navigator,
Buoy ini berfungsi untuk menunjukan sisi perairan aman dan bahaya navigasi buat para navigator.

Para navigator mesti tahu dg istilah diatas, tapi msh byk yg tidak hafal dg karakteristik buoy dan apa yg hrs dilakukan ketika ketemu sm Buoy ini dilaut. Jka salah mengambil tindakan, maka bisa berakibat fatal bagi keselamatan kapal (Kapal bs kandas, nabrak kerangka, karang, dsb)

Tahukah kalian bahwa "Cardinal Buoy" mulai dari warna dan top mark dibuat berdasarkan geography penduduk bumi.
Jika paham dg ini, dijamin gk akan lupa seumur hidup dg ciri khas Buoy2 tersebut.

Nah, mari kita kupas satu persatu yaaa😊😊😊😊.

Dunia ini dibagi menjadi 4 bagian yaitu: Utara, Timur, Selatan dan Barat.
Cardinal Buoy jg sama: North, East, South dan West cardinal.

Memang hubunganya apaπŸ€”πŸ€”πŸ€”πŸ€”??.
OK..to the point yaa...semoga gak ada yg tersungging ech tersinggung.......hehehehe.

*"NORTH AND SOUTH CARDINAL BUOY".*


Warna Buoy:
Diwilayah utara seperti Amerika dan Eropa, daerah2 tersebut jarang banget mendapatkn sinar matahari, makanya penduduk sana putih2 kaan.??
Itulah knpa warna sisi atas North cardinal dibuat berwarna Hitam (kurang matahari atau gelap) dan bagian bawah kuning (kulit putih) 
North cardinal color = Black & Yellow strip.

Sebaliknya di wilayah selatan seperti Asia dan Africa, Matahari selalu bersinar cerah sepanjang tahun, akibatnya penduduknya menjadi hitam2.
Itulah penyebab sisi atas South cardinal dibuat berwarna Kuning (Matahari cerah) dan hitam bagian bawah (berkulit hitam).
South cardinal color: Yellow & Black strip.

Top Mark Buoy (Tanda puncak).
Di Negara2 wilayah utara curah hujan tinggi, sehingga penduduk sana kemana2 membawa payung.
Makanya Top mark north cardinal dibuat seperti payung (2 buah kerucut tegak bersusun vertical).

Di wilayah selatan, curah hujan sangat rendah dan rawan kekeringan dan penduduknya harus menadah hujan dg menggunakan ember.
Itulah kenapa Top mark south cardinal dibuat seperti ember (2 buah kerucut terbalik bersusun tegak).

*"WEST AND EAST CARDINAL BUOY"*


Warna Buoy:
Seperti kita tahu, cewek2 negara2 barat itu fisiknya (luarnya) putih2 dan cantik2. Akan tapi mereka menganut paham freeseks yg tdk baik.
Hal ini seperti digambarkan oleh West cardinal buoy, dimana sisi luarnya berwarna kuning dan sisi tengahnya berwarna hitam (Yellow, Black, Yellow).
Luarnya cakep putih, tapi dalamnya hitam krn freeseks😁😁😁😁...Maaf..maaf...

Sedangkan cewek2 negara2 timur. Fisiknya kurang cantik dan berkulit hitam2, tapi hatinyaaa broooo.....putih bagai mutiara, cewek timur menjaga kesucianya dan mempersembahkan buat suami seorang...cieeeeee...hehehe.
Makanya East cardinal berwarna hitam di sisi luar dan kuning ditengah2 (Black, Yellow, Black).

Top mark (Tanda puncak).
Kita semua tahu kaaaan.... bahwa orang barat itu aware banget dg penampilan, sehingga mereka menjadi langsing2.
Makanya Top Mark dari West cardinal itu berbentuk cewek langsing yaitu 2 kerucut yg ujungnya saling bertemu (Two cones with their apex together).

Kalo orang timur gimana,,,??
Cewek timur bgtu menikah tidak menjaga penampilan, hamil, hamil dan hamil. Sehingga perutnya menjadi nduuuut.
Akhirnya yaitu...East Cardinal top marknya berbentuk cewek nduuut....2 kerucut yg bersinggungan dasarnya (Two cones with their apex appart).

Sedangkan tanda lampu (Light), dibuat searah dg jarum jam yg dimulai dari North.
North = Quick flashing
East = 3 Quick flasing
South = 6 Quick flasing + Long flashing.
West = 9 Quick flashing.

Nah sekarang,,,jika kalian bertemu dg Cardinal buoy, tindakanya apa coba?
Tindakanya ya mudah bnget..
Buoy ini menunjukan sisi perairan aman.
Contoh:
North cardinal = Disisi utara buoy adalah perairan aman...
Buoy ini berkata "Pass on the north of me.!!, lewatlah di utara saya"
Contoh lain yaaa..
Kita berlayar kearah timur dan tiba2 melihat "North Cardinal Buoy" dihaluan kapal, maka tindakan kita adalah merubah haluan keutara dan lewat disisi utara dari buoy tersebut..

Inipun ada filosofinya lhoo..
Filosofinya adalah dimana bumi dipijak disitu langit dijunjung.
Jika ketemu orang barat, berbuatlah seperti orang barat dan jika ketemu orang timur berbuat sesuai kebiasaan org timur.

Lebih jelas dan buktinnya lihat gambar yaaaa....

Skrg terserah kita sih mau pilih cewek barat yg putih, langsing tapi kelakuan kurang baik krn freeseks.
Ataukah pilih gadis2 timur yg kulitnya gelap, hbs merid byk yg nduut krn sllu hamil, tapi hatinya baik putih dan setia..😁😁😁😁
Semua ada sisi positive dan negativenya..
Hehehehe..

Semoga bermanfaat dan tdk ada yg tersinggung berkaitan body shaming atau SARA, trus berakhir di buoy (baca: bui/penjara)πŸ™πŸ™πŸ™πŸ™πŸ˜πŸ˜πŸ˜πŸ˜πŸ˜

Salam dari laut,
Zie Ahmadi.
31 October 2019

Selasa, 30 Juli 2019

zie ahmadi: Yellow Fever Vaccine

zie ahmadi: Yellow Fever Vaccine: Yellow Fever Vaccine  Bagi para Pelaut yg ingin berlayar ke Luar negeri, melakukan vaksinasi "Yellow Fever" saat ini adalah ...

Yellow Fever Vaccine


Yellow Fever Vaccine 

Bagi para Pelaut yg ingin berlayar ke Luar negeri, melakukan vaksinasi "Yellow Fever" saat ini adalah merupakan kebutuhan.

Ketika kapal akan berlayar kedaerah Amerika selatan, Africa dan sebagian wilayah Asia (Saudi Arabia), maka crew kapal diwajibkan untuk melakukan vaksinasi "Yellow Fever" dg dibuktikan kepemilikan buku kuning/buku vaksinasi atau International Certificate of Vaccination or Prophylaxis yg disingkat ICV.

Bahkan yg terbaru, seluruh pelaut yg bekerja di Offshore Saudi Aramco jg diwajibkan untuk melakukan vaksinasi "Yellow fever"

Untuk itu memiliki buku kuning/ICV merupakan tambahan amunisi guna mendapatkan pekerjaan dilaut sekaligus sebagai proteksi kesehatan.

"Jangan sampai seorang pelaut membawa penyakit ke Negara lain, apalagi pulang membawa penyakit menular ke Negaranya".

Vaksinasi "Yellow fever" ini bisa dilakukan di KKP (Kantor Kesehatan Pelabuhan) seluruh Indonesia ataupun klinik2 rekanan yg mendapatkan izin resmi dari KKP.
Jadi gak perlu jauh2 ke KKP Jakarta hanya untuk vaksin.
Jika didaerah kita ada Bandara atau pelabuhan niaga sudah bisa dipastikan disitu ada KKP, yg perlu kita lakukan adalah mencari informasi tentang ketersediaan vaksin.

Saya sendiri tinggal di Kota Malang - Jatim.
Beberapa waktu yg lalu ketika mendapat panggilan untuk kembali berlayar, Perusahaan meminta utk vaksinasi "Yellow fever". Perkiraan awal saya vaksin yellow fever tidak tersedia di Malang, sehingga saya berencana utk vaksin ke Surabaya. Namun saya mencoba googling informasi KKP Malang, setelah mencoba menghubungi pihak KKP ternyata vaksin kosong dan hanya ada buku kuningnya saja, pihak KKP menyarankan untuk vaksin di klinik swasta dan setelah itu register/pengambilan buku kuning di kantor KKP.
Lagi2 saya tanya mbah gugel untuk mencari klinik yg menyediakan vaksin yellow fever, Mbah gugel menyarankan untuk menghubungi klinik "Karya Nusantara Medica" yg merupakan rekanan/mendapat izin resmi dari KKP, klinik ini adalah tempat MCU & Vaksinasi para Jamaah Haji/umrah dan TKI yg mau bekerja ke luar negeri. Tanpa babibu segera saya telpon klinik tersebut dan Alhamdulillah benar mereka menyediakan vaksinasi yellow fever komplit dg buku kuning.
Harga paket vaksinasi yellow fever + Typhoid dan buku kuning di klinik tersebut adalah Rp. 950 000.

Klinik "Karya Nusantara Medica" yg berada di Sawojajar - Malang dg pelayanan vaksinasi international.

Surat izin dari KEMENKES utk pelayanan vaksinasi international.

Persyaratan untuk vaksinasi tersebut antara lain:
1. Photo copy Passport
2. Pas Photo warna 4x6 dg background putih.
3. Mengisi borang pernyataan di kantor KKP/Klinik yg berizin.
4. Sudah tentu DUIT. 
Untuk di kantor KKP harganya sekitar Rp. 360 000.
Sedangkan klinik swasta berkisar antara Rp. 600 000 - Rp. 950 000. Yg paling mahal 950 ribu tersebut biasanya klinik membuat kebijakan vaksinasi paketan, misalnya: Yellow Fever + Typhoid.
Harga tersebut biasanya sudah termasuk buku kuning/ICV.
Jika di klinik swasta pastikan buku kuning sudah di stamp oleh KKP pada kolom "Official stamp".

Tidak semua klinik swasta menyediakan buku kuning. Untuk itu mintalah tanda bukti pembayaran + sticker vaksin + surat pengantar dr klinik, guna diserahkan ke KKP agar mendapat buku kuning.

Buku kuning/ICV "Front page" tertulis dalam 2 bahasa (Inggris dan Perancis)

Buku kuning halaman vaksinasi, saat ini vaksin Yellow fever berlaku selamanya.

Tips sebelum vaksinasi Yellow fever:
Vaksin yellow fever tergolong langka dan seringkali habis, untuk itu ada beberapa tips yg perlu di lakukan:

1. Sebelum berangkat ke KKP untuk vaksinasi pastikan ketersediaan vaksin dg cara menelpon terlebih dahulu. Bisa googling nomor telp KKP diseluruh Indonesia sesuai daerah masing2. Tanyakan secara jelas apakah disana tersedia vaksin yellow fever & buku kuning.
Saya tdk menyarankan untuk daftar vaksinasi secara online. Dari informasi yg sudah2, byk orang daftar online kemudian datang pada hari yang dijadwalkan dan ternyata vaksin habis...eng,,ing,,eng..!! Kecewa dech.

2. Jika KKP bilang bahwa vaksin habis, sedangkan stock bukunya ada. Biasanya mereka akan menyarankan untuk vaksinasi di klinik swasta, kemudian datang ke KKP untuk mendapatkan bukunya.
Tanyakan ke KKP klinik mana yg menyediakan vaksin tersebut, biasanya klinik2 untuk calon Jamaah haji/umrah dan TKI menyediakan vaksin international. - lagi2 harus googling dan jangan segan2 menelpon utk tanya2.

3. Untuk klinik swasta, sblm berangkat pastikan ketersedian vaksin dan tanyakan juga ttg buku kuning apakah dpt dr klinik.

Memastikan ketersediaan vaksin dg menelpon ke KKP atau klinik dapat menghemat waktu dan tenaga agar tidak bolak balik tanpa kejelasan.

4. Vaksin yellow fever saat ini berlakunya seumur hidup, sedangkan dulu hanya 10 tahun. Hal ini dikarenakan depkes sudah ikut WHO sehingga standard vaksin sudah sama.
Jadi yg dulu udah vaksin dg masa berlaku cuma 10 tahun, skrg bisa vaksin ulang agar berlaku seumur hidup.

5. Sebaiknya sarapan/makan dulu sebelum berangkat vaksin dan pastikan badan dalam kondisi sehat.

Demikianlah sedikit yg saya ketahui dari pengalaman berburu vaksin "Yellow Fever".

Selamat berlayar, semoga kita selalu terhindar dari penyakit berbahaya menular dan kembali ke Tanah air dalam kondisi sehat wal afiat.

Salam,
Abudhabi, 28 July 2019.
Zie Ahmadi.

Kamis, 01 Maret 2018

SUEZ CANAL "TERUSAN SUEZ"



TERUSAN SUEZ "CANAL SUEZ"


Beberapa bulan yang lalu saya berkesempatan berlayar melintasi Canal Suez dalam rangka Ship’s delivery dari Dammam Port, KSA menuju Port Said, Egypt. Canal Suez sendiri di operasikan dg system “Lock-Free Transit” yang terdiri atas beberapa Passage convoy yakni, 2 Southbound dan 1 Northbound setiap harinya, Maximum 40 kapal untuk per-convoy dengan waktu transit rata-rata 14 Jam.
Berikut adalah catatan singkat saya mengenai Suez Canal

 
Melintasi canal suez akan melihat pemandangan padang pasir yg indah

Pendahuluan:

Terusan Suez (Dalam Bahasa Arab, Qanāt As-Suways), Terletak di sebelah barat Semenanjung Sinai yg terletak di Mesir / Egypt, mempunyai panjang sekitar 192 KM (104 Nautical Miles) dengan lebar 150 M dan kedalaman yg dikeruk hingga mencapai 19.5 M – 20 M.
Canal Suez ini menghubungkan Port Said (Arab, BΕ«r Sa'Δ«d) di Mediteranian Sea, dengan Port Suez (Arab, BΕ«r As-Suways) di Red Sea.
Adanya Terusan Suez memungkinkan akses perairan dari Eropa ke Samudera Hindia tanpa harus berlayar berkeliling melalui ujung selatan Afrika yang bisa menambah jarak hingga ribuan Mil laut.
Terusan ini terdiri dari dua bagian, utara dan selatan Danau Great Bitter, menghubungkan Mediteranian Sea (Laut Tengah) dengan Gulf of Suez (Teluk Suez di Laut merah/Red Sea)
Saat ini, Canal Suez merupakan salah satu perairan yang paling banyak digunakan di dunia di samping Panama Canal (Terusan Panama)

Sejarah singkat:

Pada awal tahun 1850 SM, Firaun Senusret tercatat membangun terusan yang menghubungkan Sungai Nil dengan Laut Merah. Terusan ini memungkinkan kapal Mesir bisa berlayar dari Sungai Nil langsung ke Laut Merah.
Sekitar tahun 600 SM, Firaun lain, Necho II, berusaha untuk kembali membuat terusan dan harus kehilangan 120.000 laki-laki dalam kerja paksa.
Namun, usahanya menemui kegagalan dan akhirnya dihentikan seiring dengan kematiannya.
Sekitar tahun 270 SM, penakluk Mesir dari Persia, Raja Darius, berhasil menyelesaikan proyek yang terbengkalai tersebut.
Canal  Suez modern dibangun pada tahun 1858-1869 oleh Suez Canal Company dari Perancis dg prakarsa insinyur Perancis yang bernama Ferdinand Vicomte de Lesseps atas Izin Said Pasha, Raja muda Mesir. Sementara itu, insinyur Austria, Alois Negrelli, diberi tugas membuat rencana.
Penggalian membutuhkan waktu 11 tahun dan menggunakan pekerja paksa sekitar 30.000 pekerja Mesir dan selesai pada tahun 1869.
Selama konstruksi, Kerajaan Inggris mengirim Badui bersenjata untuk memulai pemberontakan diantara pekerja sebagai protes atas kondisi kerja yang menyedihkan.
Pemberontakan ini mampu menghentikan praktik kerja paksa sehingga untuk selanjutnya para pekerja diberi upah.
Dalam Perang Dunia I Terusan Suez yang saat itu berada di bawah kekuasan Inggris, diserang oleh pasukan Jerman dan Turki Ottoman. Posisi Suez yang sangat strategis, yaitu menghubungkan Laut Mediterania dan Laut Merah, menjadikan terusan ini objek rebutan antara pasukan Sekutu dan Axis.
Kemudian ketika Mesir dipimpin Presiden Gamal Abdul Nasir,  Canal Suez pada tanggal 26 Juli 1956 dinasionalisasi oleh pihak Mesir. Hal ini memicu terjadinya krisis Suez karena Prancis tidak terima Suez dikuasai Mesir. Pada tanggal 29 Oktober 1956 terjadi serangan gabungan dari Israel, pasukan Inggris dan Prancis di Mesir. Melalui intervensi dari PBB, Amerika Serikat dan Uni Soviet konfrontasi tersebut dapat berakhir relatif cepat, dan kampanye perang pada 22 Desember 1956 kembali dievakuasi.
Dalam Perang Enam Hari mendorong Israel pada tanggal 9 Juni 1967 kembali menguasai Suez. Terusan Suez tetap tertutup untuk pengiriman dari Mesir dan menempatkan di perbatasan antara Mesir dan Israel. Israel mendirikan sebuah garis pertahanan, yaitu garis Bar-Lev dan mengusai Semenanjung Sinai. Dalam Perang Yom Kippur, pada tanggal 6 Oktober 1973 Suez berhasil dikuasai oleh pasukan Mesir. Tetapi pada akhirnya Israel juga berhasil memukul mundur Mesir dalam serangan balasan pada 16 Oktober 1973, Israel menyeberangi Suez dengan membuat sebuah jembatan di atas Canal. Pada akhir perang Yom Kippur meski Mesir kalah secara militer tapi menang secara diplomatik sehingga seluruh saluran Suez dan Semenanjung Sinai kembali di bawah kendali Mesir. Setelah sempat ditutup sementara, akhirnya terusan Suez kemudian dibuka untuk umum lagi pada tahun 1975.

Peta Terusan Suez dari Port Said di utara sampai Suez di selatan


 Peta Terusan Suez dari Port Said di utara sampai Suez di selatan

Mini Guidelines for Procedure to entering Canal Suez. (Panduan Singkat tentang procedure untuk Canal Suez):

Nautical publication berikut ini sangat penting untuk bahan-bahan referensi lebih details mengenai Canal Suez dan sekitarnya:
  1. NP 78 Vol. E: Admiralty List of Light – Mediteranean and Black sea
  2. NP 77 Vol. D: Admiralty List of Light – Eastern Atlantic Ocean, Western Indian Ocean, Arabian and Red Sea.
  3. NP 286 (8): Admiralty List of Light – Pilot service, VTS and Port operations (Red sea, Arabian Gulf)
  4. NP 64: Admiralty Sailing Direction – Red Sea and Gulf of Aden Pilot.
  5. NP 49: Admiralty Sailing Direction – Mediteranian Pilot Vol.5
  6. NP 203 Vol.3: Admiralty Tide Tables (Indian Ocean)
Procedure:
1. Semua kapal2 yang memasuki, meninggalkan, bergerak, shifting berth dan ataupun maneuverings di Canal waters area atau Port said dan Port suez di wajibkan menggunakan jasa pandu/pilot (Pilotage is compulsory for all movements)
2. Memasuki Canal Suez dari arah Mediteranean (Port Said) atau South Bound Passage,
  • Prosedure laporan (Reporting procedure): 15 Miles sebelum sebelum kapal tiba di Canal Suez (Port Said by-Pass) Fairway Lt buoy (31 21.30 N / 32 20.70 E), Semua kapal2 sudah harus melaporkan diri melalui VHF (Ch.16 / Ch. 12 / Ch.13) ke Port Said (Port Control).
  • Pilot Boarding Area:
  1. VLCCs, LPG & LNG, Kapal dg SCGT (Suez Canal Gross Tonnage over 35 000 T), dan kapal2 dg Draft lebih dari 12.8 M, di North Anchorage Area (Zone one), Position: 31 28.00 N / 32 19.00 E) 
  2. Kapal2 dg Draft 11.9 M – 12.8 M, di Nort Anchorage Area (Zone two), Position: 31 24.00 N / 32 18.00 E 
  3. Kapal2 selain dari yg disebutkan di atas, di Near Fairway Lt Buoy, Position 31 21.30 N / 32 20.70 E
3. Memasuki Canal Suez dari arah Red sea (Port Suez) atau North Bound Passage
  • 5 Miles sebelum kapal tiba di Separation Zone Lt Buoy No. 1 (29 39.50 N / 32 32.50 E), Semua kapal2 sudah harus melaporkan ketibaanya melalui VHF (Ch.14 / Ch. 16) ke Port Suez (Port control).
  • Pilot Boarding Area:
a)         VLCCs, Large bulk carriers, LPG & LNG, Kapal dg SCGT (Suez Canal Gross Tonnage over 35 000 T), dan kapal2 dg Draft lebih dari 11.6 M, di Anchorage Area S of Conry Rock
b)        Kapal2 selain dari yg disebutkan di atas (Draft kurang dari 11.6 M), di Waiting area, Position 29 50.00 N / 32 34.00 E
c)         Pilot Exchange (Pertukaran Pilot) berada di Daerah Ismailia, Position: 30 35.00 N / 32 17.00 E
4. Data – data kapal yg harus dilaporkan ke Port control melalu Agency adalah sebagai berikut (Siapkan data-data ini karena kemungkinan besar akan ditanyakan oleh Port Control ketika anda laporan):
  • Vessel’s Position (Latitude / Longitude)
  • Vessel’s Name
  • Call Sign
  • IMO Number
  • Flag State
  • Last Port and Next Port
  • ETA (Port Said or Port Suez, Dari arah mana datangnya kapal)
  • Suez Canal Identification Number (SCID)
  • DWT / GT / NT atau Suez Canal Gross Tonnage (SCGT)
  • Nature of Cargo (Jenis Muatan)
  • LOA
  • Beam
  • Draught
  • Date of Building
  • Type of Engines
  • Any defect/Problems with Vessel’s Machinery
5. Port Formalities Documents:
Document2 berikut ini perlu disiapkan untuk keperluan Port State Control:
  • 3 Crew List
  • 1 Ship’s Particulars
  • 2 Ship’s Registry Certificate (Signed and Stamp)
  • 1 International Tonnage Certificates 1969
  • 1 Cargo manifest
  • 2 Classification Certificates
  • 1 NIL list
  • 1 Port of Call List
  • (Container Form, Double Bottom Tank, Cargo Tank Plan; Hanya untuk kapal2 tertentu)
Kapal-kapal yg akan melintasi Canal Suez juga harus dilengkapi dg Search Light (Lampu Sorot), Jika tidak anda di haruskan menyewa ke Suez Canal Authority.
Pembatasan untuk Kapal-kapal yg akan melintasi Suez Canal:
  • Tidak ada pembatasan panjang kapal untuk melintasi Suez Canal,
  • Max Air Draft adalah 68 M
  • Max Beam adalah 70.1 M
  • Max Draft adalah 17.07 M
Jangan khawatir, semua urusan-urusan diatas akan diatur oleh agent dan kita hanya menyiapkan dokumen2 yang diperlukan beserta reporting prosedur saja.

Sedikit tambahan, bagi anda (Semua kapal) yg akan berlayar melintasi “Canal Suez” diharapkan untuk menyiapkan hadiah berupa “Rokok Marlboro”, hadiah ini nanti akan diminta oleh: Port agency, Pilot, dan Suez crew (Electrician untuk suez projector light, dsb). Meraka tidak akan turun kapal tanpa membawa hadiah ini.

Semoga bermanfaat.

KSA, 02 March 2018
Salam

Sabtu, 27 Januari 2018

Kenapa kapal bisa terapung di Air


Kenapa kapal bisa mengapung??

Bang kerja jdi pelaut yaa..???
Kenapa sih kok kapalnya bisa ngapung padahal terbuat dari besi yg besar & berat, sedangkan paku yg kecil & ringan aja klelep di air..??

Naah...!! Ada pertanyaan gini kn malu juga ya klo g bisa jawab.
Yuk kita nostalgia lg dg pelajaran wktu SMP & SMA ..!!,
Biar jd AaBeGeh lgi...hehehe.....

1. Berbicara tentang prinsip dasar terapung & tenggelamnya benda dlm zat cair, pasti teringat "Hukum Archimedes"
Yaitu "Perbandingan antara density benda dan density zat cair tmpt benda trsebut berada".
Klo density benda lebih besar daripada density air, maka benda akan tenggelam. Sebaliknya jika density benda lebih kecil daripada density air, maka benda akan terapung.

Lhooh...tapi kaaan...Density besi lebih besar daripada density air, makanya paku yg kecil aja klelep di air..

Secara teory:
Density air laut = 1.025 T/M3
Density Besi = 7.9 T/M3
Density Udara = 0.0012 T/M3..

Truz, gimana ceritanya sampai kapal besi bisa mengapung di air..?? Padahal density_nya aja 8 x lbh besar dr density air laut.

Dicatet yaa,,,,,"Hukum fisika itu berlaku sama untuk semua warga alam semesta".
Jadi bukan karena ente pelaut trz hukum fisika jd tdk berlaku shngga menyebabkan kpl ente ngapung dg ajaibnya...
Hehehehe...

"Jika besi (Kapal) dapat mengapung di air, maka pastilah density kapal LEBIH KECIL daripada density air".
Trz gmn caranya spya density besi lbh kecil drpd air..??
Caranya ya dg "MASS/MASSA" yg tetap kita harus memperbesar "VOLUME".

Hal ini dapat terlihat pada design badan kapal yg gemuk, bawahnya melengkung dan bagian dalamnya ada ruang2 udara.
Ini semua dimaksudkan untuk memperbesar volume kapal, Jika volumenya besar dg Massa yg sama maka density akan mengecil.
"Density = Mass : Volume"

Selanjutnya ruang2/compartement dikapal trsebut akan terisi dg udara, pdhl udara sendiri density_nya kecil (0.0012 T/M3) makanya gelembung2 udara selalu naik kepermukaan jika dalam air.
Inilah yg menyebabkan kapal terapung.

2. Adanya "Daya apung/upthrust"
Jika sebuah benda dicelupkan ke dalam zat cair, maka benda tersebut akan mendapat daya apung/upthrust sebesar berat zat cair yg dipindahkannya”
Besarnya daya apung/upthrust sebuah kapal sama dg volume bagian kapal yg terbenam dalam air.

Itulah knpa kapal di design dg pembatasan Load line (Garis muat) dan Plimsoll Mark (Markah kambangan).
Lihat gambar dibwh.

Volume bagian bawah kapal yg terbenam = Besarnya Daya apung/Upthrust dari air.
Volume bagian atas yg tdk terbenam (Freeboard) = Besarnya daya apung cadangan.

Daya apung cadangan berhubungan erat dg freeboard kapal, smakin besar freeboard maka daya apung cadangan akan semakin besar.
Sebaliknya,
Jika kapal overdraft, maka freeboard (Bagian kpl yg tdk terbenam) akan mengecil dan artinya mengurangi daya apung cadangan kapal, Hal ini sangat berbahaya. Sebab kpl bs tenggelam jika kehilangan daya apung cadangan.

Jadi utk rekan2 pelaut jgn coba2 merubah2 (Menaikan) Plimsoll mark/Markah kambangan tanpa approval dari Class, Kapal2 Indonesia byk yg scra illegal menaikan gambar plimsoll mark atau memuat melebihi plimsoll mark (Overdraft) dalam rangka menambah muatan.

Di Kapal disediakan 2 buah buku stabilitas dari maker (pembuat kapal)
Yaitu:

  1. Intact stability booklet, untuk perhitungan kapal dlm kondisi normal (Tidak bocor/rusak kompartemen).
  2. Damage stability booklet, untuk perhitungan stabilitas kapal ketika kapal mengalami kebocoran/kerusakan dalam suatu kompartemen yg tentu saja akan mengurangi freeboard dan daya apung cadangan kapal.

Agar Nakhoda bisa mengambil keputusan untuk Abandon ship ataukah tetap tinggal di kapal..


Semoga bermanfaat.
Salam,
Zie Ahmadi

Selasa, 19 September 2017

FULL DAY SCHOOL

Full Day School.

Sore itu sekitar jam 3 lebih saya melintasi kawasan Sekolah Dasar Negeri (SDN) didaerah Pandan wangi - Malang.
Kawasan yang biasanya sepi disore hari, kini tampak ramai dg anak2 berseragam merah putih semenjak adanya program Full Day School.

Tampak penjual jajanan cilok, cimol, batagor, sosis goreng, dsb diserbu oleh anak2 sekolah yg terlihat kelaparan. Padahal makanan2 ini kurang hygienis dan bahan2nya tdk diawasi oleh pihak sekolah.

Beberapa anak dengan wajah lesu ada yg pulang dg berjalan kaki, ada yg naik angkot dan ada yg hanya duduk2 termenung mungkin menunggu jemputan orang tuanya.

Hati ini terasa teriis sedih melihat pemandangan ini, bagaimana kesehatan anak2 ini, dimana umumnya pada usia2 mereka ini memerlukan asupan gizi/energi lebih apalagi harus sekolah dari pagi hingga petang, bagaimana laparnya mereka sehingga menyerbu penjual jajanan seadanya depan sekolah yg mungkin tidak hygienis/bergizi dengan bahan2 tanpa pengawasan dari pihak manapun. Betapa capeknya sekolah dari pagi sampai petang, mereka tidak memiliki masa bermain, tidak pernah tdur siang dan pulang sekolah pun sendiri tanpa jemputan serta tidak diperhatikan orang tuanya.

Masjid dibelakang rumah yang biasanya setiap pukul 4 sore dipenuhi anak2 mengaji pun kini tampak lengang dan sepi.
Ini terjadi karena sudah tidak ada waktu lagi bagi anak2 untuk mengaji dimasjid pada sore hari sedangkan sekolah saja pulang jam 3 lewat.
Saya tidak tahu apakah disekolah "Full day" sudah ada pelajaran Mengaji setiap hari (Baca Al-Quran bagi muslim). Seperti kita ketahui disekolah2 dasar negeri biasanya dalam satu sekolah cuma ada 1 guru agama yang biasanya juga tidak kompeten untuk mengajar ngaji, bisa dibayangkan apa mungkin satu guru agama mengajar ngaji untuk satu sekolahan. Kalau sudah begini sungguh berdosa pencetus sekolah "Full Day" karena akan lahir jutaan generasi muslim yg tidak bisa baca Al-Quran. Beranikah beliau mempertanggung jawabkanya di hadapan Allah SWT.

Interaksi anak dengan orang tua, kawan2 sebaya/tetangga di kampung semakin berkurang dan mengarah pada individualisme karena waktu habis disekolah sehingga hanya mengenal kawan2 satu sekolah saja.

Para orang tua yang kurang mampu juga harus mencari dana lebih karena uang jajan yg meningkat dan bekal makanan.

Dalam hati saya bersyukur krna termasuk generasi beruntung dimana masa2 bermain tidak dihabiskan untuk belajar dari pagi sampai petang.

Saya menduga pencetus dan pendukung "FULL DAY SCHOOL" adalah orang perkotaan dengan tingkat ekonomi yg sudah mapan dan waktunya (baik suami/istri) banyak dihabiskan ditempat kerja sehingga tidak bisa mengurusi anak pada siang hari.
Mereka seolah lupa kalau masih banyak penduduk Indonesia yang masih kesulitan ekonominya, sehingga terkadang seorang anak harus membantu orang tuanya bekerja untuk biaya sekolah dan mencukupi kebutuhan hidup.
Kita tidak menutup mata bahwa justru anak2 mandiri inilah yang saat ini banyak meraih kesuksesan dengan caranya sendiri.

Permendikbud Nomor 23 Tahun 2017 tentang 5 Hari Sekolah (Full day school) memang sudah dibatalkan oleh Bpk Presiden Joko Widodo.

Bpk Jokowi mengatakan "Yang mau full day silahkan dan yg tidak mau silahkan" menurut saya pernyataan ini masih kurang tepat.

Tentu saja sekolah2 yang belum full day akan merasa ketinggalan pelajaran dibanding sekolah full day dan harapan untuk melanjutkan ke jenjang pendidikan sekolah favorit juga akan kalah, sekolah yg belum full day juga akan dianggap sekolah jelek dan dibawah standar. Dengan demikian sekolah yg belum full day tidak akan diminati para orang tua atau meraka terpaksa harus menerapkan full day juga agar tidak ketinggalan dan untuk menaikan gengsi sekolahan.

Konon full day school akan diisi dengan progam "Penguatan karakter", menurut saya ini hanya sia2. Pelajaran tata krama/karakter akan sangat membosankan jika disampaikan secara teoritis.
Dulu kami didesa ketika ujian pelajaran agama dan pendidikan pancasila banyak yg nilainya jeblok dan kalah dg anak2 perkotaan, akan tetapi dari sisi penerapan justru anak2 desa lebih baik agama dan rasa nasionalismenya.
Jadi penanaman karakter yg terbaik adalah belajar pada orang tua langsung dirumah, masyarakat dan ulama di masjid2, bukanya secara teoritis saja disekolahan.

Full day school mungkin menjadi sebuah kebutuhan bagi masyarakat perkotaan dengan ekonomi mapan dimana kedua orang tua sama2 bekerja. Golongan ini bisa memilih sekolah2 swasta favorite bagi tujuan tersebut, sehingga tidak perlu hantam kromo semua sekolah harus full day. Kita harus menyadari bahwa di sekolah2 negeri kebanyakan orang tua adalah golongan kurang mampu yang belum siap dg konsep full day.

Saya pribada tidak keberatan konsep Full day school bagi anak2 yang kedua orang tuanya sibuk bekerja.

Kalau memang pemerintah berkeras untuk menerapkan sekolah full day sebaiknya dimulai dari jenjang SMP keatas, karena secara fisik anak usia SMP sudah bagus dan pelajaran baca Al-Quran bisa dilakukan selama 6 tahun pada saat sekolah dasar.

Sebelum menerapkan full day school pemerintah juga harus melakukan audit terlebih dahulu untuk sekolah yg akan menerapkanya:
1. Infrastruktur termasuk tenaga pengajar harus mendukung (Sarana dan prasarana).
2. Sekolah menyediakan food catering yang bergizi.
3. Penjual jajanan anak harus diawasi atau dilarang jika mengandung bahan2 berbahaya.
4. Bagi yang rumah jauh, harus ada antar jemput atau orang tua wajib jemput dan perlu ada hukuman jika terlambat jemput (Jgn membuat anak sedih menunggu atau pulang dg wajah loyo).
5. Sekolah dg konsep tuntas (Sudah Mengaji bagi muslim dan tidak ada PR ataupun kursus tambahan) agar anak pulang sekolah tinggal bermain dan istirahat.

Jadi Bpk Presiden harusnya MELARANG Full day School apabila sekolah tidak memenuhi kriteria diatas, tidak cukup hanya mengatakan "yang mau full day silahkan dan yg tidak mau silahkan". Banyak sekolah atau orang tua yang tidak siap, namun demi gengsi sekolah mereka menerapkan full day school sehingga yang menjadi korban adalah anak2.
"SELAMATKAN ANAK INDONESIA DARI BUTA HURUF AL-QURAN, KEHILANGAN MASA BERMAIN DAN KEKURANGAN GIZI".

Kamis, 02 Juli 2015

ARAMCO EVALUATION OF MASTERS AND CHIEF OFFICERS


Photo ini diambil di Candi gedong songo, Bandungan - Semarang

ARAMCO EVALUATION OF MASTERS AND CHIEF OFFICERS

Dear Seafarers,

Syukur Alhamdulillah, akhirnya saya sudah bisa merampungkan kumpulan soal-jawab “ARAMCO EVALUATION”. Saya menyusun tulisan ini per-section sebagaimana yg terdapat dlm ARAMCO MIM (Marine Instruction Manual).
Sengaja saya menyusun tulisan ini karena banyaknya teman2 yg bertanya kepada saya bagaimana sich ARAMCO EXAM itu, apa saja yg ditanyakan dan apa saja yg harus disiapkan.
Disamping itu saya berharap agar semakin banyak pelaut-pelaut Indonesia bisa bergabung di SAUDI ARAMCO, dengan demikian walaupun kita bekerja jauh dinegeri orang maka terasa seperti di Negara sendiri dan tidak mengalami kendala yang berarti dalam proses familirisasi dikapal, pun begitu seorang pelaut haruslah siap secara physic dan mental untuk berhadapan dengan berbagai macam orang yang memiliki bahasa, karakteristik, sifat, kulit dan perilaku yang berbeda-beda sesuai asal negaranya masing2.
“Dimana bumi dipijak disitulah langit dijunjung” itulah peribahasanya.

Offshore shipping company under charter ARAMCO menawarkan gaji yang bersaing bagi para pelaut dan kita harus pandai-pandai dalam memilih perusahaan sebelum bergabung, disinilah pentingnya silaturahmi yg baik sesama pelaut guna mendapatkan informasi yg akurat. Akan tetapi ARAMCO juga melakukan serangkain ujian (examination) untuk semua Newly joining Masters and Chief Mates dikapal yang mereka kontrak.
Dari Marlin test sampai ARAMCO Practical evaluation. Minimum score Marlin test untuk Master & Chief Officer adalah 70% per section dan Overall score adalah 80%, Officers yang gagal disini akan segera dipulangkan ke Negara asal dan bagi lolos akan menjalani minimum 2 minggu (14 hari) familirisasi diatas kapal. Setelah proses 14 hari familirisasi ini selesai, Port Captain dari perusahaan pelaut itu bekerja akan mengececk kesiapan Officer yang bersangkutan dalam mengahadapi ARAMCO evaluation dan selanjutnya officers tersebut akan segera menjalani ARAMCO Evaluation. Jika officers tersebut dinyatakan “PASS” oleh ARAMCO Evaluator maka akan segera menjabat sebagai Master/Chief Mate dikapal yg ditentukan oleh perusahaan, akan tetapi jika dinyatakan “FAIL”  maka tidak ada pilihan bagi perusahaan tempat anda bekerja kecuali harus memulangkanya ke Negara asal.

Untuk Marlin test, anda bisa langsung berkunjung ke: www.marlintest.com. Disini ada banyak pilihan mulai dari “Need to take a test” (Bagi yg punya Credit card) ataupun cuma “Practice a test”, ada baiknya anda masuk ke Practice a test dulu sebelum melakukan test yg sebenarnya.

Sedangkan untuk “ARAMCO EXAM”, berikut adalah kumpulan pertanyaan-pertanyaan yang merupakan guidance dan besar kemungkinan diantaranya akan ditanyakan oleh ARAMCO Evaluator (Bisa dikatakan 95% pertanyaanya berkisar disini-sini saja). Dan tidak semua kumpulan soal ini akan ditanyakan oleh evaluator, mungkin hanya 15 atau bahkan kurang dari itu, tergantung kelancaran anda menjawab, semakin anda lancar menjawab biasanya evaluator akan puas dengan kemampuan anda dan tidak akan banyak pertanyaan setelah itu, pun sebaliknya jika anda gugup maka anda akan dicecar dg pertanyaan yg banyak. Jadi “Self confidence” akan menjadi kesan pertama yg akan banyak membantu kelulusan anda dimata evaluator. Sengaja tidak saya terjemahkan dalam bahasa Indonesia karena memang ujian akan dilakukan dalam bahasa inggris.
Selain daripada itu, soal Tanya-jawab  dibawah ini juga bisa dijadikan referensi bagi rekan2 pelaut yang ingin menambah wawasan.
Semoga bermanfaat “GOOD LUCK AND HAVE A SAFE VOYAGE”


Questions & Answers – Guidance for ARAMCO evaluation.

A. Sailing Experience or  your CV Questions:
1.    How long have you been (Ch.Officer or Master)?, Refer to your CV/Seaman Book
2.    How long have you been working in off shore?, Refer to your CV/Seaman Book
3.    What was your last vessel ? and what type? Refer to your CV/Seaman Book

B. Rules of The Road (International Collision Regulation)
Rule 5          : Look Out
Rule 6          : Safe Speed
Rule 7          : Risk of Collision
Rule 8          : Action to avoid collision
Rule 9          : Narrow Channels
Rule 10        : Traffic separation scheme
Rule 12        : Sailing Vessel
Rule 13        : Overtaking
Rule 14        : Head-on Situation
Rule 15        : Crossing situation
Rule 16        : Action by give-way vessel
Rule 17        : Action by Stand-on vessel
Rule 18        : Responsibilities between vessel
2.    Light, shape and sound signal of vessel underway in restricted visibility?
·           Lights : Masthead lights / Side lights / Stern Light.
·           Sound signals  : _____ (One long blast at intervals not more than 2 minutes)
3.  Light, shape and sound signal of vessel underway but stopped / no making way through the water in restricted visibility?
Lights           : Masthead lights / Side lights / Stern Light.
Sound signals           : _____   _____  (Two long blast at intervals not more than 2 minutes)
4.    Light, shape and sound signal of vessel Not under command in restricted visibility?
·     Lights     : Two all-round red lights, when making way through the water in addition; Side lights / Stern Light.
·     Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes)
·       Shape                : Two Balls
5.    Light, shape and sound signal of Towing vessel in restricted visibility?
·     Lights     : Two mast head lights in a vertical line, when the towing line exceed 200 M, Three mast head lights / Side lights / Stern light / Towing light
If restricted in her ability to manoeuvre, three all-round light: Red / White / Red
·     Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes)
·       Shape                : Three shapes in vertical line ( Ball / Diamond / Ball) and Diamond shapes
6.    Light, shape and sound signals of Vessel being towed in restricted visibility?
·       Lights : Side lights / Stern light
·      Sound signals     : ____ . . . (One long blast followed by three short blast at intervals not more than 2 minutes, immediately after the signal made by the towing vessel)
·        Shape                : When the towing line exceeds 200 M, a diamond shapes
7.    Light, shape and sound signal of vessel Restricted in her Ability to manoeuvre in restricted visibility?
·      Lights     : Three all-round lights in a vertical line, Red / White / Red. When making way through the water, Masthead lights / side lights / stern light.
·      Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes)
·      Shapes  : Three shapes in vertical line ( Ball / Diamond / Ball)
8.    Light, shape and sound signal of vessel at anchor in restricted visibility?
·      Lights     : In the forepart, an All-round White light and Stern part lower level than fore light, an       All-round white light, all working light to illuminate deck.
·    Sound Signals     : At intervals of not more than one minute Rapidly ringing on the bell at about 5 Seconds, and in addition may give three sound blast namely one short, one long and one short          ( . ___ . )
·     Shapes  : One Ball
9.    Light, shape and sound signal of vessel Aground in restricted visibility?
  • Lights    : In the forepart an All-round White light and Stern part lower level than fore light an All-round white light and Two all-round red lights in a vertical
  •  Sound Signals    : At intervals of not more than one minute Rapidly ringing on the bell at about 5 Seconds, and in addition may give three sound blast namely one short, one long and one short         ( . ___ . ) 
  • In addition ship aground shall give three separate and distinct strokes on the bell immediately before and after rapidly ringing of the bell. A Vessel aground may in addition sound an appropriate whistle signal. 
  • Shapes : Three balls in a vertical line.
10. Light, shape and sound signal of Pilot vessel in restricted visibility? 
  • Lights    : Two all-round lights in a vertical line: White / Red. When underway in addition Side lights / Stern light.
  • Sound signals     : . . . . (Four short blast during pillotage duty) 
  • Shape   : International code flag “H”
11. Light, shape and sound signal of vessel Constrained by her draft in restricted visibility?
·      Lights     : Three all-round Red lights in a vertical line. When making way through the water, Masthead lights / side lights / stern light.
·      Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes)
·      Shapes  : Cylinder
12. Light, shape and sound signal of Vessel engage in Dredging or underwater operation in restricted visibility?
·      Lights     : Three all-round lights: Red / White / Red. When making way through the water: Masthead lights / side lights / stern lights. In addition, when obstruction exists, exhibited:
Two all round red lights to indicate the side on which the obstructions exist
Two all round green lights to indicate the side on which another vessel may pass
·      Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes)
·      Shape    : Three shapes in vertical line ( Ball / Diamond / Ball). when obstruction exists, exhibited:
Two Balls to indicate the side on which the obstruction exist
Two Diamonds to indicate the side on which another vessel may pass 
International code flag “A”, not less than one meter in height.
13. Light, shape and sound signal of vessel engage in mine clearance operation in restricted visibility?
·      Lights     : Three all-round Green lights on the foremast head and each end on the foremast.
·      Shapes  : Three Balls on the foremast head and each end on the foremast.
These lights or shapes to indicates that it’s dangerous for another vessel to approach within 1000 M of the mine clearance vessel.
14. Light, shape and sound signal of Fishing vessel engage in Trawling in restricted visibility? 
  • Lights    : Two all-round lights in a vertical line: Green / White, a masthead light abaft of and higher than the all-round green light. When underway in addition Side lights / Stern light 
  • Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes) 
  • Shape   : Two cones with their apexes together
15. Light, shape and sound signal of Vessel engage in fishing other than Trawling in restricted visibility? 
  • Lights    : Two all-round lights in a vertical line: Red / White, a masthead light abaft of and higher than the all-round red light. When underway in addition Side lights / Stern light, an all-round white light in the direction of the outlying gear
  •  Sound signals     : ____ . . (One long blast followed by two short blast at intervals not more than 2 minutes) 
  • Shape   : Two cones with their apexes together and a cone with apex upwards
16. Manoeuvring signals
·     One short blast ( . ) = “I am altering my course to starboard”
·     Two short blast ( . . ) = “I am altering my course to port”
·     Three short blast ( . . . ) = “I am operating astern propulsion”
·     Two long blast followed by one long blast ( ___  ___ . ) = “I intend to overtake on your starboard side”
·     Two long blast followed by one long blast ( ___  ___ . . ) = “I intend to overtake on your Port side”
·     one long / one short / one long blast ( ___ .  ___ . ) = “Affirmative, To give by overtaken vessel indicate her agreement”
·     Five short blast ( . . . . . ) = “Vessel fails to understand the intention or actions of other or I Doubt”
17. Definitions sound and light signals
·      Masthead light, means white light on centreline showing over arc of the horizon of 225 degrees and so fixed as to show the light from right ahed to 22.5 degrees abaft the beam on either side of the vessel, Visible at range 6 Miles (Vessel LOA > 50 M)
·      Sidelights, means lights on the each side showing light over an arc of the horizon of 112.5 degrees and so fixed as to show the light from right ahead to 22.5 degrees abaft the beam on the side, Visible at range 3 Miles (Vessel LOA > 50 M)
·      Stern Lights, means a white light placed in stern showing light over an arc of the horizon of 135 degrees and so fixed as to show the light 67.5 degrees from right aft on each side of the vessel, Visible at range 3 Miles. (Vessel LOA > 50 M)
·      Short Blast, means a blast of about one Second duration
·      Prolonged Blast, means a blast of from Four to six second duration, The light used for warning signals shall be visible at range 5 Miles.
18. What action to be taken when vessels are on reciprocal courses? 
    When two power driven vessels are meeting on reciprocal courses so as to involve risk of collision, Each shall alter her course to starboard so that each shall pass on the port side of the other.
19. What action to be taken when vessels are crossing situation?
When two power driven are crossing so as to involve risk of collision, the vessel which has the other vessel on her own starboard side shall keep out of the way and avoid crossing ahead of the other vessel.
20. What action to be taken when vessels are overtaking one another?
Any vessel overtaking any other shall keep out of the way of the vessel being overtaken.
21. How you know that you are the overtaking vessel?
By night , I will be able to see the stern light of the other vessel. And By day, My vessel will be coming up with another vessel from a direction more than 22.5 degrees abaft her beam.
22. At a clear night you sighted a white light, what does it mean to you?
It can be the stern light of a vessel. // or it can be a small fishing boat// or a small sailing boat//or vessel at anchor less than 50m //or a masthead light of the vessel less than 50m and far away that side lights cannot be sighted yet.
23. You are crossing separation scheme with the following ships using it: - One vessel coming up from your portside and another coming down from your starboard side. What is your action?
I will wait until both vessels are clear then I will cross the separation scheme on a heading as nearly as practicable at “Right angles to the general direction of traffic flow”
But as per COLREG, The two above vessels using the separation scheme are not relieved from her/their obligations under any other rule. Which means that also the vessels using separation scheme shall comply with all other rules of collision prevention and shall take action to avoid collision accordingly? Refer to Rule 10a.
24. What is the sound signal for a platform?
Two short blasts followed by one long blast ( . . __ ) “U” = You are running into a danger.
25. What action you will do if you sighted a vessel aground ahead of you?
First thing I will stop engines and keep in position, check my position on the chart, and turn the vessel to reciprocal course, get away from the area.
26. If you are steaming in fog and you heard the sound of . . __ ( U ), What action you will take?
I will Stop the Engines, check my position using radar and GPS on chart and turn the vessel on reciprocal course away from the sound.
27. A vessel towing a Rig and showing only towing shapes or lights and crossing from your port side on collision course, what is your action?
If the towing vessel is not showing the shapes or lights of restricted in her ability to manoeuvre then the towing vessel should take action to avoid any collision. But if the towing vessel is showing that she is restricted in her ability to manoeuvre then I have to take action to avoid collision.
28. Is it allowed to cross Traffic separation scheme, and how?
Yes. To cross the separation scheme on a heading as nearly as practicable at “Right angles to the general direction of traffic flow”
29. If you detected a vessel crossing on your port side, then which is the give way vessel and which is the stand on vessel?
The vessel on my port side is the give way vessel and she must take action to avoid collision.
30. Reference to the above question. If the other vessel did not take any actions then what will you do?
I will take action to avoid collision, by altering course to starboard keep away from that vessel, even if I have to make full turn to starboard.
31. During in restricted visibility and your vessel only detect the presence of another vessel with a risk of collision exist (Close quarter situation is developing), what action to be taken in this condition?
I shall take avoiding action in ample time and avoid the below action:
·      Avoid an alteration of course to port for a vessel forward of the beam, other than for a vessel being overtaken
·      Avoid an alteration of course towards a vessel abeam or abaft the beam (Rule 19D)
32. What are necessary precautions to be taken when the vessel in restricted visibility?
·      Reduce speed for safe manoeuvring speed (Rule: 6/19)
·      Post and keep proper look out by sight and hearing (Rule 5)
·      Inform duty engineer for standby and keep M/E ready for immediate manoeuvre.
·      Start give sound signal (Rule 35) and switch on navigation light (Rule 20)
·      Properly use of Radar/ARPA equipment to obtain early warning risk of collision (Switch on both Radar, one in a long range 6 – 12 NM and one in a short range 1 – 3 NM)
·      Frequently check position of the vessel and plotting course, any dangerous object for navigation to be clearly marked and avoided
·      Switch on echo-sounder to keep seabed line under control
·      Use manual steering
33. What action to be taken when vessel negotiating area of shallow water
·      Shallow water as per MIM No.1198.002 is starting from depth 10 M or less
·      Switch on echo-sounder to keep seabed line under control
·      Reduce speed for “Safe Speed” to avoid any squat effect
·      Check vessel UKC using tide table and comply with minimum UKC requirement as per MIM
·      Inform duty engineer for standby and keep M/E for emergency manoeuvre.
·      Frequently check position on the chart and plotting course
·      Maintain good look out, use manual steering and check tide/weather condition
·      Density of navigation traffic, dangerous area for navigation and reporting procedure of VTS-communication

B. Oil/Gas field procedure

1.    How to identify an H2S emission, and what will you do?
H2S (Hydrogen sulphide) is a colourless and flammable gas and highly poisonous, that smells like “Rotten egg”. H2S is heavier than air, easily spread by wind and soluble in water.
Action to be taken during tied-up the Rig in case of “GAS ALERT” asf:
·      Smell like rotten egg and auto gas alarm will be sounded
·      Start emergency gas alarm ___   ___   . (Two long blast followed by one short blast)
·      Immediately to wear EEBD or SCBA and assist the other crew to wear  SCBA
·      All crew proceed to muster station at Bridge or run to the high level area in the bridge/monkey island, never come back to level area without properly wear SCBA
·      All port holes, doors and ventilation must be closed and switch off.
·      Crew with proper SCBA and portable gas detector proceed to unmooring operation.
·      Pull out the vessel from the platform and proceed to windward location and continue monitoring “Gas alarm”
·      The potential H2S hazard can be substantially reduced by operating the vessel’s protective water spray systems and the Off-ship Fire-Fighting Monitors in a full spray pattern
·      Broadcast information to the other station by VHF Radio “Location, Time, Wind direction” and Report to the port control and Field service as per Emergency response plan.
2.    What will you do before entering or leaving the Oilfield/Rig?
·      Obtain permission from Field service or Rig Foreman
·      500 M Zone check list to be fully completed and recorded in the Log book
·      Maximum speed entering 500 M zone is 3 Knots and within 100 M zone is 0.5 Knots
·      No “Head on” when approaching and use manual steering
·      At a ‘Safe’ distance from the Offshore Structure, no closer than four Vessel lengths, the Master will STOP  the Vessel in the water, to ascertain wind and tide effect on the Vessel at that location.

3.    If you sighted a Spar Buoy located close to the Rig, what does it mean?

Where a Spar Buoy has been deployed at a Rig/Barge location to indicate the safe “Drop anchor” position to avoid any pipe lines (We may find it close to some rig only which has a pipe line near its location), we shall use the Spar Buoy purely as an aid to navigation, and should anchor between the Spar Buoy and the side of the Rig/Barge, and NEVER on the far side of the buoy.

4.    What are the documents to be received prior loading bulk liquid mud cargoes on board?

Prior to loading the vessel must receive the following documents:

·      Cargo manifest

·      Material Safety Data Sheet (MSDS)

·      Storage and circulation instructions.

5.    When will you start your M/E during Tied up to the Rig?

Main engines shall be activated whenever:

·      Wind or surface current speeds exceed 16 knots or 1.0 knot respectively.

·      Combined sea and swell is in excess of 5ft (1.5 meters).

·      When another supply vessel is going to be secured alongside.

·      Anchoring in poor holding grounds or in shallow water where the under keel clearance (UKC) is less than twice the draft of the vessel.

6.    When the snatching material is not permitted at the offshore installation?

·      Snatching of materials is not permitted when sea height exceeds 1.5 meters

·      Whenever more than 45% thruster or main engine power is required to maintain position whilst snatching alongside an offshore installation, then the vessel must pull clear and not return until conditions are safe to resume operation.

C. MARINE DEPARTMENT PROCEDURE – MARINE INTRUCTION MANUAL

1.    What is the allowed speed in Tanajib channel or estuaries, and Harbour in normal clear day?
The maximum speed in the channel is 8 knots and within the harbour is 5 knots.
2.    What to do before leaving or entering the harbour?
Obtain permission from the port control
3.    What is the working VHF channel in Aramco oil fields and related harbors?
VHF Channel. 11
4.    Do you know the location of the MIM file what MIM stands for?
Identify and show him the MIM’s file in the bridge, MIM means “Marine Instruction Manual”.
5.    What is the title of the following MIM’s : No. 1185.002 // 1187.002 // 1192.001 // 1193.001 // 1193.004 // 1193.005 // 1193.006 // 1193.504 // 1198.001 // 1198.002 // 1201.001?
·      MIM No. 1185.002 = REPORTING PROCEDURES, DOCUMENTATION AND MASTERS DUTIES FOR THE SAFE OPERATION OF ALL VESSELS
·      MIM No. 1187.002 = DUTIES AND RESPONSIBILITIES FOR THE ON-DUTY MARINE SUPERINTENDENT
·      MIM No. 1192.001 = MARINE VESSEL OPERATING PRACTICES
·      MIM No. 1193.001 = MARINE PORT INFORMATION AND REGULATIONS
·      MIM No. 1193.004 = PROCEDURES FOR VESSELS TRANSITING THROUGH THE PORT OF RAS TANURA
·      MIM No. 1193.005 = MINIMUM UNDER KEEL CLEARANCE FOR MARINE VESSELS
·      MIM No. 1193.006 = MARINE VESSEL REQUIREMENTS FOR MANEUVERS WITHIN 500M SAFETY ZONE OF OFFSHORE STRUCTURES AND RIGS
·      MIM No. 1193.504 = EMERGENCY RESPONSE PLAN
·      MIM No. 1198.001 = WORK AROUND OFFSHORE PRODUCING FACILITIES (OIM NO. 1519)
·      MIM No. 1198.002 = OPERATING PROCEDURES FOR AHTSS/RIG SUPPLY AND STANDBY VESSELS
·      MIM No. 1201.001 = SAFETY COMMUNICATIONS PLAN
6.    How many elements in the Aramco SMS manual?
There are 11 elements .
7.    In Aramco SMS identify the Masters duties and in which Element?
Element 6 in paragraph 6.9 and in Element 1 paragraph 1.3.8
8.    Do you know the location of the Safety Flyers file?
9.    Identify the file in the bridge and review the contents.
10. Do you know the location of GI’s File and what GI stands for?
11. Identify the file in the bridge. GI means GENERAL INSTRUCTIONS.
12. How frequently need defined position of the vessel?
·       The safe interval for position fixing and recording should never exceed 15 minutes within the boundaries of any offshore oilfield

·      For the “Clear water” outside of oilfield boundaries should never exceed 30 minutes

13. What is procedure of “Man Overboard” recovery in open water?

·      Man overboard is declared

·      If victim in sight, first throw the Lifebuoy ASAP and in the night time one of the Lifebuoy should be fitted with light

·      Immediately pass the MOB information to the Bridge

·      Bridge actions: Sound the Alarm, Start Williamson turn, Press GPS MOB to Position fixed/marked, Post additional look out, Medical team ready and FRC ready for action.

·      Rudder hard over to the side of casualty

·      After deviation from original course by 060⁰, Rudder hard over to opposite side.

·      When heading is 020⁰ short of opposite course, Rudder to amidships position and vessel will be turned to opposite course.

·      Evacuation procedure and give First aid assistance/hypothermia treatment to the victim

·      Reporting procedure as per ARAMCO MIM and company SMS Manual.

D. EMERGENCY RESPONSE AND INCIDENT REPORTING
1.    What is the title of MIM No. 1193.504?
EMERGENCY RESPONSE PLAN
2.    What are emergency signals on board your vessel?
There are 4 emergency signals on board:
a.     Abandon Ship = •              _____ (Seven short blast followed by one long blast)
b.     Fire alarm/General emergency = ____________ (Continuous Ringing)
c.      Man Over Board = _____  _____  _____ (Three long blast)
d.     Gas Alert  = _____  _____  • (Two long blast followed by one short blast)
3.    Emergency Reporting Actions

a.     There is an emergency to Report

b.     The emergency location (Provide Location, latitude/Longitude)

c.      There is: (Provide nature of emergency e.g. Fire, Explosion, Gas, etc)

d.     There are: (Number of people hurt and requiring medical assistance)

e.     My phone number is: (Provide your telephone Number)

f.      My name is: (Provide your name)

g.     My badge number is: (Provide your badge number)

h.     Wind direction is: (State wind direction), Check direction of windsock if possible before making the call. Evacuate and ensure that all employees are ‘up-wind’ from the smoke or gas.
4.    What is your job assignment in muster station (emergency station)?
Refer to Vessel Muster station posted in the bridge.
5.    Please mention at least five Distress Signals (Name and method of indicating)
a.     A gun or other explosive signal fired at intervals of about a minute
b.     A Continuous sounding with any Fog-signalling apparatus
c.      Rocket or shells, Throwing red stars fired one at  a time at short intervals
d.     A signals made by any other method consisting of the Group “SOS” ( .  .  . / __  __  __  / .  .  . )
e.     A signal sent by Radio telephony consisting of spoken word “Mayday”
f.      The international code signal of distress indicated by “NC”
g.     A Signal consisting of a square flag having above or below it  a ball
h.     Slowly and repeatedly raising and lowering arms outstretched to each side
i.       A Distress alert by DSC transmitted on VHF Ch. 70 and or MF/HF on the frequency 2187.5 KHz, 8414.5 KHZ, 4207.5 KHz, 6312 KHz, 12577 KHz or 16804.5 KHz.
j.       Distress alert transmitted by the Ship’s INMARSAT or other mobile satellite service provider ship earth station
k.      Signals transmitted by EPIRB

F. USE RADAR

1.    Do you know how to operate radar and take position by bearing and distance?
Practical question, we have to practice and be familiar with it.
2.    Which Radar mode you will select in the Oilfield, is it the North up mode or Ship’s head up mode?
North up mode is better, because it show me the real location of each target and land the same as the chart with my course drawn on it, and will not get confused when taking bearing of each target.
3.    Switch on the Radar and a quire Target using ARPA and read the information given for the Target?
Switch on Radar as per instructed and we have to be able to read the following data: Distance of the target and bearing of the target, CPA, TCPA, Speed of the target, Change radar Mode from North up to Head up, etc
4.    What are the CPA and TCPA?
CPA is the Closest Point of Approach And TCPA Is the Time of Closest Point of Approach.

G. SAUDI ARAMCO TIDE TABLES

1.    Definitions of ARAMCO Tide Tables:
·      LAT = Lowest Astronomical Tide
·      HAT = Highest Astronomical Tide
·      ISLW = Indian Spring Low Water
·      MSL = Mean Sea Level
2.    Explanation of Spring Tides, Neap tides, Ebb Tides and Flood Tides?
·      Spring Tides = Maximum range tides about every 14 days during the full moon or new moon (At about 2 knots stronger current in open waters)
·      Neap Tides = Minimum Range tides occur at quarter phases of the moon (Weaker current)
·      Ebb Tides = When water is decreasing from high to low
·      Flood Tides = When water is increasing from low to high
3.    Familiarity with ARAMCO Tide tables, interpolation and terminology?
·      Semi Diurnal = The Tide have two low tides and Two high tides each day. The fully “SEMI DIURNAL” pattern is found in area bear Abu Sa’fah.
·      Diurnal = The Tides only have one signal high tide and one signal low tide each day as shown by the fully “DIURNAL” pattern at Marjan and Zuluf
·      Mixed = The Tides are an intermediate condition in which inequalities exist between successive high or low tides and proceed from mixed mainly “Semi Diurnal” South of Manifa to mixed mainly “Diurnal” from Manifa North to Safania
·      Ebb tide current north of JuΓ‘ymah set to “Southeast” and Flood Tide current set to “Northwest”. However from Ras tanura south into the bay of salwah, the reverse pattern is evidence.
4.    In Aramco Tide table there are three formats for each Station (Familiarize yourself how to use for each format).
·      Tide graphs are used to determine the overall pattern for the period desired.
·      High / Low Tide calendar = Height and time of the Highest and lowest water only.
·      Hourly prediction = Particulars time and level.
5.    Do you know how to use Aramco Tide table?
Practical question, practice it to calculate under keel clearance using Aramco tide table.
6.    Echo sounder is showing 12 M depth under keel, your draft is 3.5 m .What is the depth over whole in feet?
Depth over whole = 12 + 3.5= 15.5m /// In feet = 15.5 x 3.28 = 50.84 feet.
7.    What is the minimum Under Keel Clearance (UKC) allowed for Vessel under charter ARAMCO?
·      Minimum UKC for Crossing over pipeline/subsea installation = 5 M or more
·      Minimum UKC Over the seabed other than crossing over pipeline = 1 M or more
·      Minimum UKC A/Side at Piers/Port/Facility = 0.3 M
8.    What is the meaning of UKC
UKC = Under Keel Clearance is a distance measured vertically from the lowest of a vessel (Keel) to the closest underwater (seabed, pipeline, structure, etc)
9.    Charted depth 3.7 M, Draft 3.2 M, Height of tide 1.6 M. What is the Under keel clearance? Is it allowed to pass a pipe line at this clearance?
Total Depth = Charted depth + High Tide = 3.7 M + 1.6 M = 5.3 M
UKC = Total Depth - Draft = 5.3 M - 3.2 M = 2.1 M
Allowing 1 M for pipe line height then clearance = 1.1 M (Not allowed to cross pipeline)
10. If you are obligated to pass pipe line less than 5 meters, what you will do?
I will call the Port control and Field service to get permission and I will reduce my speed (slow speed) to avoid Squat.
11. What is the meaning of Squat?
The increase of draft due to high speed in shallow waters,
F Max = 2 x Cb x V² / 100 (Cb = 0.70, V = Speed in knots). Refer to brown nautical almanac page 625 – 626
To reduce effect of the squat, you must reduce your speed and minimum UKC at least 0.3 M on the soft seabed ground and 0.4 M on the hard seabed grounds.
12. The Examiner (RMM) should require Master/Mates to plotting course on the chart from one place to another place. In this case, just remember about minimum UKC crossing over pipelines is 5 Meters. You may be so long around but ensure your plotting course have clearance 5 Meters.
Remember: UKC = (Charted Depth + Predicted tide) – Present Draft = Minimum 5 Meters during cross over pipeline!!!

H. COMPASS ERROR CALCULATION

1.    What are the methods to calculate compass error?
·      Transit Bearing with two objects
·      Transiting channel using leading light
·      Astronomical calculation / Sun bearing
·      When vessel Alongside at Jetty (Compare true heading on chart with magnetic heading)
2.    Where you get the compass deviation from. And where you get the variation from?
We get Deviation from compass deviation Card. And variation from the Chart on the compass rose.
3.    You are Alongside at Tanajib berth No. 4, and you need to calculate compass error, what you will do? (Port side alongside)
Check on the chart Tanajib berth is 270 deg (True heading). Read the compass directly and see how much it shows and compare it with the True heading on chart (270⁰), The differences between True heading on the chart and your compass heading is a Compass error
4.    The variation is 3.0 East and Deviation is 4.5 West what is the compass error?
Compass error = Variation + Deviation = 3.0 + (- 4.5) = - 1.5 = 1.5 W
5.    Magnetic compass reading is 245⁰ and variation = 2.5 West and Deviation=1.5 West. What is the true course?
Compass error = Variation + Deviation = 2.5 W + 1.5 W = 4 West
True course = Magnetic Course + Compass Error = 245 + (– 4) = 241⁰ ( Error west compass best)
6.    Calculate compass error by Sun, Explain how you do it?
Example:
Date: 01 October 2013 at 06.15.10 LT (03.15.10 UTC)
Ship’s position = 27 34.83 N / 050 04.02 E
Ō Gyro bearing = 096
Gyro course = 331, Magnetic course = 330
Find compass error?
Answer:

Description
Amount
Remarks
GHA
227 34.50
From Brown’s Nautical almanac page 203
INCR (15.10)
     3 47.50   (+)
From nautical almanac (Increment and correction) page 273
GHA
231 22.00

Long
050 04.02    (+)
Longitude (East = +) and (West = -)
LHA
281 26.02




Dec
03 12.8 S
From nautical almanac
Corr d
        0.3        (+)   
From nautical almanac (Increment and correction)
Dec
03 13.0 S




A
0.10 S
Norrie’s  table page 398 (Base on Latitude and LHA)
B
0.05 S           (+)
Norrie’s  table page 399 (Base on Dec and LHA)
C
0.15 S
A and B same name (+), If A and B different name (-), C is Named the same as the greater of A or B quantity
T az
S 82.5 E
Norris page 410, The azimuth is named S because C is S and E because HA is between 180 – 360
True bearing
97.5
From T az = S 82.5 E = 180 – 82.5 = 97.5

True bearing
097.5

Gyro bearing
096.0            (-)        

Gyro error
    1.5  L

Gyro course
331               (+)

True Course
332.5

Magnetic course
330                (-)

Magnetic error
     2.5 E

Variation
     2.9 E         (-)
From chart (Refer to compass rose on the chart)
Deviation
     0.4 W

ABC Table explanation
·      A = If LHA between 90 – 270, named same as latitude otherwise opposite to latitude
·      B = Always named same as declination
·      C = If A & B same name, added (A – B) and if A & B different name, subtract (A – B)
C is named the same as the greater of A or B quantity
·       T az = Combined name of C (N or S) and LHA (E or W)
If LHA between 0 – 180 / 360 – 540, Named W
If LHA between 180 – 360 / 540 – 720, Named E

I. CURRENT SET AND DRIFT CALCULATION

1.    There are several methodologies to calculate set and drift and plotting an estimated position.
You may refer to Brown’s Nautical Almanac page 334 – 335 for more details. With the below formula:
b² = a² + c² - 2.a.c CosΞ²
Angle of inclination = True course – Current set
Ratio = Speed current : Ship’s speed
Explanation:
a    = Rate (Speed current)
c     = Ship’s speed (True course)
b    = Speed over ground (Course over ground)
Ξ²    = 180 – Angle of inclination
TABLE A: Angle (Ξ±) between true course and course over the ground.

Angle of inclination between Current (Set) and True course (In degrees)
RATIO
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
0.05
0.5
0.9
1.4
1.8
2.1
2.4
2.6
2.8
2.9
2.8
2.7
2.5
2.3
1.9
1.5
1.0
0.5
0.10
0.9
1.8
2.6
3.4
4.1
4.7
5.2
5.5
5.7
5.7
5.6
5.2
4.7
4.0
3.1
2.2
1.1
0.15
1.3
2.6
3.8
4.9
6.0
6.9
7.6
8.2
8.5
8.6
8.5
8.0
7.2
6.2
4.9
3.4
1.8
0.20
1.7
3.3
4.9
6.4
7.7
8.9
10.0
10.8
11.3
11.5
11.4
10.9
10.0
8.6
6.9
4.8
2.5
0.25
2.0
4.0
5.9
7.7
9.4
10.9
12.2
13.3
14.0
14.4
14.4
13.9
12.9
11.2
9.1
6.4
3.3
0.30
2.3
4.6
6.8
8.9
10.9
12.7
14.3
15.7
16.7
17.3
17.4
17.0
15.9
14.1
11.5
8.1
4.2
0.35
2.6
5.1
7.6
10.1
12.3
14.5
16.4
18.0
19.3
20.2
20.5
20.2
19.1
17.1
14.1
10.1
5.3
0.40
2.9
5.7
8.4
11.1
13.7
16.1
18.3
20.2
21.8
22.9
23.5
23.4
22.4
20.3
17.0
12.4
6.5
0.45
3.1
6.2
9.2
12.1
15.0
17.6
20.1
22.3
24.2
25.7
26.6
26.7
25.9
23.8
20.2
14.9
8.0
0.50
3.3
6.6
9.9
13.1
16.2
19.1
21.9
24.4
26.6
28.3
29.5
30.0
29.4
27.5
23.8
17.9
9.7
0.55
3.5
7.1
10.6
14.0
17.3
20.5
23.5
26.3
28.8
30.9
32.5
33.3
33.1
31.4
27.7
21.3
11.8
0.60
3.7
7.5
11.2
14.8
18.4
21.8
25.1
28.2
31.0
33.4
35.4
36.6
36.8
35.5
32.0
25.2
14.3
0.65
3.9
7.9
11.7
15.6
19.4
23.0
26.6
29.9
33.0
35.8
38.1
39.8
40.5
39.8
36.6
29.7
17.4
0.70
4.1
8.2
12.3
16.3
20.3
24.2
28.0
31.6
35.0
38.1
40.9
43.0
44.3
44.1
41.6
35.0
21.4
Example:
Find a course over the ground if a vessel speed 20 knots, steers 270 T (True course), set by a current 200 T, Rate 5 knots?
Answer:
Ratio = Rate : Ship’s speed = 5 : 20 = 0.25
Angle of inclination = 270⁰ – 200⁰ = 070⁰
·      Entering the table with 0.25 as Ratio and 70⁰ as Angle of inclination between current (set) and true course, we found 12.2⁰, which applied in a southerly direction, the same direction as the set of the current, so that Course over the ground = 270⁰ - 12.2⁰ = 257.8⁰
·      Ξ² = 180⁰ - Angle of inclination = 180⁰ - 70⁰ = 110⁰
  = a² + c² - 2.a.c CosΞ²
       = 5² + 20² - 2 . 5 . 20 Cos 110⁰
       = 25 + 400 – 200 (- 0.342)
       = 425 – ( - 68.4) = 493.4
b    = √493.4 = 22.2 Knots
Speed over the ground = 22.2 Knots
2.    How do you ascertain wind and tide effect on the Vessel at the location before approaching offshore installation.
·      I will stop Main engine and check the vessel movement on the Radar or GPS
·      Compare between Course steers (True) and Speed over the ground on the GPS or Radar
3.    What is the meaning of Course made good?
It is the actual course steered by the vessel under the influence of current Wind and swell.
4.    Your vessel true course is 175 and course made good is 160, what is the required course to steer to maintain your true course?
Effect of the current, wind and swell = 175 – 160 = 15.
Course to steer = 175 + 15 = 190
I have to set the course to 190 so my true course will remain 175.

J. KNOWLEDGE OF SAFETY EQUIPMENT

1.    What is SART? How it works and appear on Radar?
SART = Search And Rescue Radar Transponder, It works and appear on X band Radar only (3 cm) Radar. It appears as 12 Dots on the Radar screen. The closest dot to the Radar screen centre is the position of the SART(Survival Craft), once the vessel coming close the SART the 12 Dots will appear as Arch on the RADAR screen.
2.    What is EPIRB?
EPIRB = Emergency Position Indicating Radio Beacon (406 MHz) is a device which works to transmit a vessel code and position via Satellite COSPAS system to a land station which will direct and guide other vessels or helicopters to rescue operation.
3.    What is SCBA and do you know how to put on and safely use the breathing apparatus?
SCBA = Self Contained Breathing Apparatus. Working period of SCBA is at about 30 – 45 minutes depending on capacity and weight of the cylinder.
You must be able to practice to wear SCBA (important)
4.    What is EEBD?
EEBD = Emergency Escape Breathing Devices
5.    Check your vessel Safety and Fire Plan to be more know for the number and location of the LSA/FFE on your vessel.

K. KNOWLEDGE OF OWN VESSEL

1.    What is the size of the Towing wire? and length?, Check your vessel particular
2.    What is the size of Stretcher, Fuse wire and Tugger wire on your vessel?, Check vessel particular
3.    What is the output capacity of the fire monitor(M3/Hrs)?, Check your vessel particular
4.    What is the bollard bull of the vessel?, Check your vessel particular
5.    What is the horse power of the engines?, Check your vessel particular
6.    What is the power of the bow thrusters?, Check your vessel particular
7.    What is the pumping capacity of the ballast pump?, Check your vessel particular
8.    What is the capacity of cargo (bulk) pump?, Check your vessel particular
9.    What is the maximum and minimum draft of your vessel?, Check your vessel particulars.
10. What is the SWL of the stern roller and towing pins?, Check you vessel particulars .
11. What is the vessel capacity of Fuel oil, Fresh water and Drill water?, Check vessel particulars.
12. Do you know where is the emergency alarm button, and Engine emergency stop buttons?, check and be familiarized with buttons in the bridge.
13. Are you familiar with Starting and change over procedure from forward control to aft control.
Practical question, to practice the Starting and change over procedure of M/E control, Steering and Bow thruster control from forward to Aft.
14. Do you know the location of the following books and publications:
Stability booklet, Aramco Tide Table, Brown Nautical Almanac, Muster Station poster, Cargo Securing Manual, collision regulation booklet, General arrangement plan, Tanks Plan, safety arrangement plan.
(Familiarize yourself with location for all the above publication and manual).

L. NAVIGATIONAL CHART WORK

1.    Where to find chart symbol for lights, water depth, nature of bottom, etc?
Admiralty Chart and publication number 5011 (Chart 5011)
2.    What is the meaning of BA and SUR?
BA = British Admiralty Chart
SUR = Saudi Aramco Chart
3.    Nature of the seabed on chart SUR 1816 “Safaniya South”
S
Sand
f
fine
St
Stones
c / co
coarse
Co
Coral
bk
Broken
Sh
Shells
h
Hard
fs
Fine sand
si
Silt
m
Mud
G
Gravel
4.    Familiarize yourself with Symbols and abbreviations used on the SUR Charts

M. IALA (INTERNATIONAL ASSOCIATION OF LIGHTHOUSE AUTHORITY)





N. OTHER QUESTIONS
1.    Your vessel at Tanajib port, and you received a call from drilling to go for Rig Move in shallow water, which requires a draft of 3.2 even keel. What will you do and act. If your vessel have the following particulars Light ship 1100 t, drill water 220 t, fresh water 150 t, Fuel oil diesel 150 t, ballast water 220 t and approximately 60 tons Barite. Main Draft 3.7 m?
Check from stability criteria, your minimum operational towing draft.
Now Calculate Total displacement = 1100 + 200 + 150 + 150 + 220 + 60 = 1880 Tonnes
From stability booklet get the TPC at that displacement and draft (let us say TPC = 10.5 T)
Present draft – Required draft  = 3.7 M - 3.2 M = 0.5 M = 50 cm.
Total Weights to be discharged = 50 X 10.5 = 525 T
Now you can discharge accordingly, from any liquids and discuss your plan with Drilling department. So he can give assistance in discharging liquids and barite if needed.
2.    What is the meaning of fresh water allowance?
Change of draft (increase or decrease) due to change in water density,
3.    What is the meaning of TPC?
Ton Per Centimetre = Weight in Tons to be loaded or discharged  to change vessel draft by 1 cm.
4.    What is the meaning of permissible load on deck?
Means how many tons the ship deck can load on one square meter. You can get it From Cargo securing manual Or vessel stability booklet.
5.    A box weighing 48 tons and dimensions: length 4 m-, width 3 m, height 5 m. Can you load it on deck if you know that permissible load is 4.5 tons?
Area = length X width = 4 x 3 = 12 square meter .
Weight / area - 48/12= 4 Ton . Answer YES I can load it.
6.    What is the density of Fresh water ?
Answer: 1.000
7.    What is the density of sea water?
Answer: 1.025
8.    If the TPC = 12 Tons what is the change in draft if you load a 56 ton weight.
Change of draft = weight / TPC  = 56/12 = 4.5 cm. bodily sink.
9.    Explain how you connect the towing wire to the bridle wire of the Rig?
·      Towing pins up
·      Pull the towing wire and lay it on deck with the socket close to the karm fork (shark jaw) using the tugger winch wire and connect it with the Stretcher using shackle 85 T
·      Put the tugger wire between the towing pins.
·      Get one long hook to collect the bridle wire of the rig and connect it to the tugger wire and start heaving up the Bridle Rig wire until it comes over the Sharkjaw .
·      Up the Sharkjaw with the Bridle Rig wire socket in the groove and lock it , then release tugger wire.
·      Connect the Stretcher socket to the Bridle Rig wire using 85 ton shackle and make sure that it is tight and locked by a split pin.
·      Sharkjaw down and start moving ahead slowly, Pay out the towing wire until you get the required length of tow. Then down the towing pins.
10. What are consisting of the Tow line?
Firstly, I have to know ship’s position, where is she? On Bridle (as Master Tow) or Assist (Port quarter or Starboard quarter)
·      As Bridle or Master Tow, the composition of Tow line are:
Ø Towing wire (Size 57 MM)
Ø Stretcher ( Size 88 MM x 19 M)
Ø Bridle Rig Wire (From the Rig)
All Connection using shackle 85 Tones
·      As assist (Port quarter or starboard quarter)
Ø Towing wire (Size 57 MM)
Ø Stretcher ( Size 88 MM x 19 M)
Ø Fuse wire (Size 42 MM x 20 M)
All Connection using shackle 85 Tones, and Soft eye end of the Fuse wire put on the Rig bollard.
11. What size and length required for towing stretcher and fuse wire?
Stretcher = Diameter 88 MM X Length 19 M to 20 M, double rope with two hard thimble ends.
Fuse wire = Diameter about 36 MM – 42 MM X Length 19 to 20 M, with one hard end and one soft wide end. (Wire Rope)
12. What is the Free Surface effect, how does it affect stability of vessel?
Free surface effect occurs when the Tanks are partially filled with liquid, during ship moving/heel, the liquid starts moving from one side to another side. The movement of the liquid surface inside the tanks will cause the VCG of the liquid to move up (Increase) and thus will reduce in GM .
The Maximum effect of free surface occurs when the tanks are 50% loaded.
To minimize this effect, keep the tanks either full or completely empty.
13. Find The Fresh Water Allowance (FWA) for a vessel of Displacement 1700 T and TPC = 9 T.
FWA = Displacement : 4 TPC = 1700 : 4 (9) = 47.2 mm.
14. A vessel of displacement 1580 t, at main draft 3.2 m, find the change in draft if sailing from sea water to a water of density 1005?
From Stability booklet onboard, obtain the TPC at that displacement, let us say TPC 11 ton.
Change of draft= FWA X (Sea water density – Dock water density) / 25
FWA= displacement/4TPC = 1580/4 x 11 = 35.9 mm.
Change of draft= 35.9 X( 1025-1005) /25 = 35.9 X 0.8 = 28.72 mm = 2.87 cm = 0.0287 (Increase in draft)
New main draft =3.20 + 0.0287 = 3.2287 m.
15. A vessel having FWA = 20 cm and load draft = 3.2 m. To what draft can this vessel load in fresh water?
FW Density = 1000, Seawater Density = 1025,
Change in draft        = FWA X (seawater density – fresh water density) / 25
= 20 X ( 1025 - 1000)/25 = 20 X (25/25) = 20 X 1 =20 cm (increase in draft)
New Draft = 3.2 + 0.20 = 3.40 m.
16. How you know that you have a free surface effect.
By making Tanks sounding.
17. Which operation every day does it with ballast?
Daily sounding of ballast tanks and records in Daily sounding log should be done.
18. A box of weight 80 t. has a loading area of 16 square meters, your vessel deck have permissible load of 4.8 t. Can you load it on deck?
Calculate tons per one square meter = 80/16 = 5 t (more than permissible load)
NO I cannot load it.

O. PRACTICAL MANOEUVRE EVALUATION

All candidates Master and Chief Officers will be examined in their ability to manoeuvre the vessel.
Preparation for practical manoeuvre evaluation:
·      Report to port control before start engine
·      Start Main engine, bow thrusters and steering for manoeuvre (Use arrival/departure checklist)
·      Change over control from forward to aft, once everything ready report to Port control.
·      Cast off the vessel from jetty. The examiner will ask you to turning the vessel inside harbour, change heading (For example: Set heading from 000⁰ to 090⁰), make vessel parallel with jetty, put your stern against jetty and Bring the vessel alongside back to jetty.
·      Special awareness should be taken regarding the actual tide and wind condition.
·      All manoeuvres should be done in safely, positive and with due regard to observance of good seamanship, and not be limited in time.
Do not panic, keep calm, concentrate, feel the vessel movement and use your experience for manoeuvre the vessel.
"Manoeuvre is a science and art".


Tanajib – Kingdom of Saudi Arabia, 04 December 2014
Sailor never say good bye,
They just disappear for a while

Salam dari laut,
Zie Ahmadi