Instruction manual

PROFICIENCY IN SURVIVAL CRAFT AND RESCUE BOATS OTHER THAN
FAST RESCUE BOATS
5 5
5.1.3 Luffing davits
Luffing davits require the boat to be taken from inboard to outboard by
the manual turning of a worm screw or telescope screw.
These davits are required to be capable of launching a boat against an
adverse list of 15˚ and like gravity davits, are fitted in pairs.
The boat normally rests in chocks at deck level and is firmly held down
by means of deck gripes.
Fig. 5.2 Luffing davit
5.1.4 Single arm davits
Single arm davits are mechanically controlled and are required to
befitted with wire falls and a winch. They may be sited on the stern of small
vessels attached to a lifeboat or rescue boat. Inflated boats will be secured at an
approved position by approved fastenings.
Single arm davits attached to boats are normally required to be able to
launch the boat on one side of the ship only and are not required to launch the
boat against an adverse list.
Two men only are to be in the boat while it is being launched. Survivors
join the boat when it is afloat.
Single arm davit may also be placed amidship for launching and
recovery of inflatable boats and for the launching of liferafts. When intend for use
with liferafts, the fall is require to have a tricing line attached for the purpose of