mod 3 Flashcards
(44 cards)
Devices specifically used aboard ships to handle the ships boat or boats
Davits
5 major subsystems of boat davits system
- Electrical System
- Winch System
- Boat davit arms and sheaves
- Falls system
- Stowage system
TRUE or FALSE, there are two types of pivot davits
TRUE
1 arm, 1 fall, 1 hoisting hook
Single Arm Pivot Davits
2 arms, 2 falls, 2 hoisting hooks
Double Arm Pivot Davits
Designed to pivot the boat from the STOWED position to launch position (over the water) and uses GRAVITY to lower the boat
Pivot Davits
Designed to rotate around a vertical axis while moving a boat outboard and inboard in a slewing motion
Slewing Arm Davit
uses electricity to hoist and lower a boat
Electricity
davit can be configured to handle 11M cabin and open RHIBs, 7M RHIBs, and 36ft LCPLs
Overhanging Double Arm Multitask
Pivot davits are used to indicate the point to stop using power to hoist a boat
Safe hoisting positioning stripes
device that keeps the hook above the head of the boat crew after the hook has been released
Falls tension Device
prevent the travel of an object past a predetermined point by cutting electrical power to the equiptment when tripped
Limit Switches
used when the davit has to be manually cranked and is an overriding mechanism for the davit
Form Lock Clutch
provides a means for personnel to board and leave a ship while at anchor or pier side
accomodation ladder
brace used to support the upper platform
wishbone
connects the upper platform to the lower platform
ladder
used to secure the accomodation ladder to the side of the ship
turnbuckle
used to allow the accomodation ladder to travel smoothly with the ships movement on the pier
roller
safety step assembly is also known as
TOE GUARD
used in place of an accomodation ladder, allows personnel to board the ship
pivots ladder
used to hold the steps and take the weight of the climber
side
small craft usually not capable of making independent voyages of any length on the high seas
boat
Small boats are usually made of 4 things
a. Aluminum
b. Fiberglass
c. Steel
d. combination of all three
Small boats are powered by 3 things
a. Diesel Engine
b. Outboard Gasoline Motor
c. Underwater Jets