Boat Crew Seamanship Flashcards
What is height of MK 79?
250-650’
How long does MK 127 burn for?
36 sec
What angle do you fire MK 127?
90*
A whistle’s sound may be heard up to _____
1,000 meters/1100 yards
How much does MK 124 weigh?
8 oz
What is burn time of MK 124?
20 sec
What angle do you hold MK 124?
45*
How many flares does MK79 kit have?
7 flares, 1 projector
What is burn time for MK 79?
4.5 sec
How many candlepower is MK 79?
12,000 candlepower
What knot is used to attach the MK124?
Surgeons Knot
Survival mirror is on which side of vest?
Right side
What is length of temp whipping?
10 x’s circumference
Endurance of 47’ MLB in 12’ seas and 20 kt winds?
8 hrs
Min. crew of 47’ MLB
4
During a search, post __ lookouts (#)
2
Lookout duties should be kept to a minimum when boat is __ NM from shore
3
The horizon is _* and directly overhead is ______
0, Zenith - 90 overhead
When scanning, scan in small __* increments
10*
Move into a dark environment __ mins prior to getting underway
30 mins
Helsman should maintain a course within __ *
5*
to check if boat if drifting, take bearings on __ seperate objects at least __* apart
3, 45*
Swing circle radius is equal to the boat’s length plus the length of the ___ _____
anchor chain
Applications for regatta/marine patrols to CG at least __ days prior. Major/new events should be submitted __-__ days
30 days, 90-120 days
Refrain from smoking or eating __ prior to the PT test
2 hrs
Boatcrew physical fitness test is administered ______
annually
Don’t take antimotion sickness med within __ hrs
12
Use single hearing protection for __ dB, and double for ___dB
85, 104
Rafts are usually carried on boats greater than __ feet
30’
A raft is attached to a __ft painter
50’
The painter line on a raft is attached to a weak link, which takes ___lbs of force to seperate
500 lbs
Small stuff is up to __” in diameter
1.5”
Frostbite is likely to develop in air temps below __*F
20*F
Sunscreen of SPF __ should be used
15
A person become’s nauseated when they lose __% of body fluids
5% (6-10% are more serious Sx)
Characteristic of heat stroke is body temp above ___*F
105*F
Under conditions of profuse sweating, a person needs ____ or more of fluids per hour
one pint (0.5 liters)
There are __ Team Coordination Skills
7
Four rules of risk management:
Integrate risk management into plans, accept no unnecessary risk, Make risk decisions at the appropriate level, accept risks if benefits outweigh costs
for shock, elevate lower extremities __-__ inches
8-10
Normal pulse
60-100 bpm
Normal respirations
16-24 rpm
Death can occur __-__ mins after respiratory failure
4-6 mins
Look, listen and feel for __-__ sec
5-10
Hypothermia is defined as core temp of less than __*F
95
Seek Medical Control Guidance if core temp is below __*F
86
How many pints of blood in human body?
10 pints
Only use a Temporal pressure point for __ sec
30 sec
Use Carotid pressure point only for a few ___
seconds
Place a tourniquet __-__ inches above the wound
2-3 inches
There are ___ bones in the body
206
To treat a broken leg, use ___ splints
three
Flush chemical burns for ___ mins
20 mins
After heat cramps, avoid re-exposure for __ hrs
12 hrs
After heat exhaustion, avoid re-exposure for __ hrs
24 hrs
Heat stroke will have body temp of 105-___F
109*F
MK 127 parachute flare descends at a rate of _____
10-15 fps
MK 127 climbs to an altitude of ___-____
650-700 ft
Line is ___ to ___ in circumference
1.5” to 5”
Hawser is _____
everything over 5” in circumference
in DBN, how much strength is in the core?
50%
Sisal is rated at __% of manila’s strength
80%
What is the point where the static pulling force becomes such that any increase in engine load could lead to damage to the engine or towing bitt?
Bollard pull
