USCG Lifeboatman Exam

Kapok life preservers must have what? - Answer- Vinyl- covered pad inserts What is a sea anchor? - Answer- A cone shaped bag used to slow down the wind drift effect. What is the purpose of the air tanks in a lifeboat? - Answer- To keep the boat afloat if flooded Which data is not painted on the bow of a lifeboat? a)Number of persons allowed b)Name of the vessel c)Weight of the boat d)Port of registry - Answer- c)Weight of the boat What is the purpose of the limit switch on a gravity davits? - Answer- To cut off power when the davits are about 12 inches or more from the track safety stops. When operating gravity davits, when and how far should they be hand cranked? - Answer- Davits should always be hand cranked the last 12 inches into the final stowed position. When should tricing pendants be released? - Answer- After loading the passengers What are the lines that are passed around the falls to hold the boat while passengers are boarding? - Answer- Frapping lines What is the most common type of davits found on merchant ships today? - Answer- Gravity Davits On which type of davit does the davit head stay at the same height? - Answer- Radial Davit Which davit type may be operated by one man? - Answer- Gravity Davit Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of __. - Answer- 6, based on the maximum working load. When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) what is the recommended procedure? - Answer- Rig a drogue with tripping line over the bow, back ashore with drogue tripped between breakers. What should you do in order to launch a liferaft by hand? - Answer- Throw the liferaft over the side and pull the operating cord.