Chief Mate CoC case studies
Chief Mate CoC · Put your knowledge to work in context.
The Chief Mate Certificate of Competency is the credential that qualifies a deck officer to serve as chief officer on seagoing ships, and it is normally the step between Officer of the Watch and Master. Candidates are typically experienced watchkeeping officers who have completed the required sea service and an approved programme of education and training. The Chief Mate CoC case studies are 5 cases and about 4,863 words.
1Bar Crossing on a Falling Tide with a Marginal Under-Keel Clearance
MV Anvil Point, a 38,000 dwt bulk carrier, is inbound to a river port with drafts forward 11.25 m and aft 11.45 m. The 12-mile approach has a least charted depth of 9.8 m below chart datum at the bar, graded CATZOC B, and carries a 0.4 m shoal patch last surveyed in 1998.
946 words, about 5 min2A Contradicted GM: Rolling Period Against the Loading Computer
MV Cape Meridian, a 1,800 TEU container ship of 25,000 t displacement, is 36 hours out of Ningbo for Fremantle when the master notices heavy, easy rolling. The officer of the watch times 10 complete rolls at 260 s, giving a roll period of 26 s.
935 words, about 5 min3Open Roadstead Anchorage Ahead of a Deepening Low
MV Nordic Trader, a 22,000 dwt general cargo ship, is anchored in an open roadstead off a West African port awaiting a berth. Anchoring depth is 24 m, holding ground fine sand over clay, with 9 shackles in the water, one anchor down and engines on 30 minutes' notice in a SW 20 knot wind.
1,035 words, about 5 min4Stand-On in a Traffic Lane with a Give-Way Vessel That Holds Course
At 0240 you are the OOW on a 200 m bulk carrier making 14 knots on 000 deg (T) by autopilot, in the northbound lane of a traffic separation scheme off a major North European port. Visibility is 3 nm in clear air on a dark night, no moon.
974 words, about 5 min5Oily-Water Separator Failure and a Proposal to Defeat the Alarm
Your 11-year-old handysize bulk carrier is five days out of a Brazilian ore port bound for Rotterdam. The second engineer reports that the oily-water separator cannot hold effluent below 15 ppm: the 15 ppm bilge alarm activates continuously, the coalescer element is contaminated and the spare on board is the wrong part number.
973 words, about 5 min