185 Advance Training for Ships Operating in Polar Waters 184 Basic Training for Ships Operating in Polar Waters 183 Management Level Marine Deck Officers 182 Management Marine Engineer Officer 181 Officer in Charge of a Navigational Watch 179 Officer in Charge Engineering Watch 178 Ratings Forming Part of a Navigational Watch 173 RATINGS Forming Part of a Watch in Manned Engine-room Designated to Perform Duties in a Periodically 172 GMDSS Radio Operators 166 GMDSS Radio Operators
