BD Deck Officer Class 3 (OOW) study guide
BD Deck Officer Class 3 (OOW) · Work through your exam, one topic at a time.
The Bangladesh Deck Officer Class 3 certificate is the Officer of the Watch (OOW) qualification for deck officers, issued through the Department of Shipping and the Mercantile Marine Office. It is the first certificate a cadet or rating aims for on the path to chief mate and master, and it certifies that the holder can stand a navigational watch safely, legally and without supervision. The BD Deck Officer Class 3 (OOW) study guide has 12 sections and about 3,554 words.
01Navigation: Position, Passage Planning and Tides
A candidate for Officer of the Watch must be fluent in the four position-fixing families: visual bearings, terrestrial ranges, satellite fixes and dead reckoning. Understand chart datum, the significance of a drying height versus a charted sounding, and why soundings are reduced to Lowest Astronomical Tide.
326 words, about 2 min02Meteorology: Pressure Systems, Fronts and Forecasts
You must understand how pressure systems drive weather. Know the characteristics of a depression, an anticyclone, a ridge and a col.
346 words, about 2 min03Ship Construction and Stability: Basics for the Watchkeeper
You must understand the relationship between centre of gravity, centre of buoyancy and the transverse metacentre. Know that initial stability is measured by GM, that GZ is the righting lever, and that the area under the GZ curve represents dynamical stability.
315 words, about 2 min04Cargo Handling and Stowage: Safety and Planning
You must understand the difference between bulk, breakbulk, container and heavy-lift cargo, and the stowage factors that govern space and weight. Know the meaning of centre of gravity of a cargo, why heavy cargo goes low, and how to avoid overstressing the deck or tank top.
309 words, about 2 min05Ship Operation and Personnel Management
You must understand the master's authority and the duty to render assistance, the chain of command, and the role of the watchkeeper in reporting defects. Know the purpose of the Safety Management System under the ISM Code, including the designated person ashore, non-conformities and the master's review.
293 words, about 1 min06Collision Regulations and Watchkeeping
You must know the steering and sailing rules by heart: the obligation to keep a proper lookout by all available means, safe speed, and the risk of collision assessment. Understand the difference between a vessel not under command, a vessel restricted in her ability to manoeuvre, and a vessel constrained by her draught.
301 words, about 2 min07Marine Engineering for Deck Officers
You must understand the main propulsion and auxiliary systems well enough to communicate with the engine room. Know the difference between a two-stroke and a four-stroke diesel engine, the function of the turbocharger, and why fuel viscosity and temperature matter.
298 words, about 1 min08Marine Environmental Protection
You must understand the MARPOL Annexes and what each controls: Annex I oil, Annex II noxious liquid substances, Annex III harmful substances in packaged form, Annex IV sewage, Annex V garbage, Annex VI air pollution. Know the meaning of a special area, the requirements for an oil record book, and the prohibition on discharging oily water without treatment through approved equipment.
289 words, about 1 min09Maritime Law and International Conventions
You must understand the core obligations under SOLAS, MARPOL, STCW, COLREG, Load Line and MLC. Know the role of the flag state and the port state, and the meaning of port state control detention.
292 words, about 1 min10GMDSS and Maritime Communications
You must understand the sea areas A1 to A4 and the equipment required in each. Know the functions of DSC, NAVTEX, EPIRB, SART and the portable VHF radios.
261 words, about 1 min11Emergency Response and Safety
You must understand the muster list, the emergency stations and the duties assigned to each crew member. Know the procedures for fire, abandon ship, man overboard, collision, grounding and flooding.
268 words, about 1 min12Medical First Aid at Sea
You must understand the primary survey: airway, breathing, circulation, and the recovery position. Know how to perform CPR and the ratio of compressions to breaths.
256 words, about 1 min