GMA OOW Deck case studies
GMA OOW Deck · Put your knowledge to work in context.
The Ghana Maritime Authority Officer of the Watch (Deck) Certificate of Competency is the national credential that lets a deck officer stand a navigational watch on Ghana-flagged vessels and, through STCW recognition arrangements, on many foreign-flagged ships. It is aimed at cadets and ratings who have completed approved sea service and an approved education and training programme and are moving into their first officer role. The GMA OOW Deck case studies are 5 cases and about 2,958 words.
1Position Discrepancy Approaching a Traffic Separation Scheme
At 0340 on a clear night with visibility 5 nm, your 18,000 GT bulk carrier is inbound at 12 knots, 2.5 nm south of the westbound lane of a traffic separation scheme. The ECDIS, fed by GPS 1, places the vessel 0.4 nm east of the planned track.
536 words, about 3 min2Tropical Cyclone Avoidance in the Bay of Bengal
At 0600 on 12 August, your vessel is in position 18°00′N 087°00′E, steering 090° at 12 knots. The barometer has fallen from 1008 hPa at 1800 yesterday to 1002 hPa now and is still falling about 1.5 hPa per hour.
511 words, about 3 min3Suspected Angle of Loll After Ballast Exchange
Your 35,000 DWT bulk carrier is completing ballast exchange in port after discharging a heavy cargo. Draft forward 6.2 m, aft 7.0 m.
697 words, about 3 min4Nickel Ore Loading Above the Transportable Moisture Limit
Your 56,000 DWT supramax is loading nickel ore in four holds at a remote Indonesian anchorage during the wet season. The shipper's declaration states moisture content 34.0% and transportable moisture limit 32.0%, but the certificate is a photocopy and the sampling date is six days old.
611 words, about 3 min5Engine-Room Fire with Missing Personnel and CO2 Available
At 0215, while your 4,500 TEU container ship is 200 nm from the nearest port, the fire alarm sounds for the engine room. On arrival at the fire station, you see dense black smoke from the purifier room doorway and flames visible through the inspection window.
603 words, about 3 min