ops and seamanship 7 Flashcards
(40 cards)
A cockle can reduce line strength by as much as a _______________.
third
Fake down double-braided line in __________________ patterns
figure-eight
It is recommended that three-strand synthetic lines be faked down on deck and allowed to relax for ___________________.
Twenty four hours
Lengths less than _________________ feet will relax in one hour when laid out straight.
50
The towing rig should be inspected _____________________. If doubt exists on the reliability, replace the tow line components.
Before and after every use
Detachable link parts are ________________ interchangeable. Keep each link’s parts together and separate from the others.
not
Measure wire rope diameter at _______________ or more places with __________________ calipers
six/vernier
Replace if Wear of _________________ of the original diameter of the outside individual wires
1/3
replace if _____________ broken wires in one rope lay length, or ______________ broken wires in one strand lay length
Six/three
replace if ______________ broken wire within one rope lay length of any end fitting.
one
The zinc anodes in the hydraulic drive unit saltwater cooler are inspected weekly or every ______________ when the towing machine is operating.
24 hours
The tow rollers are inspected and lubricated _____________ and prior to each towing operation.
Monthly
The towing machine is lubricated and test operated _____________.
Monthly
The brakes and controller are inspected _______________.
Semiannual
The towing gear accessories, winch control components, clutch brake compressor, and motor are inspected _________________-.
annually
When a rope is used in towing operations without a towing engine, the towing hawser must have a scope of at least ______________________ especially for long tows and in heavy weather.
200 fathoms (1200 feet)
who conducts the ORM and tow brief and debrief
CO
Who chooses the course and speed of the approach
CO
Who establishes comms with tow and determines procedures
OPS
Who confirms stations are manned and ready
OPS
Who works with 1lt to determine tow rig configuration
CO
Who prepares the tow on deck and makes small boat ready for sea.
1LT
who gives safety brief on deck
1LT
Who assigns tow safety officer
OOD
