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Boat Crew > Crewman > Flashcards

Crewman Flashcards

0
Q

Longitudinal Stability

A

Fore and aft, prevents it from pitching end over end

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1
Q

Boat Crew Duties/ Responsibilities

A 
Helmsman
Lookout
Tow watch
Anchor watch
DC
First Aid
Surface Swimmer
Line handler
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2
Q

Transverse Stability

A

Athwartships, keeps boat from rolling over

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3
Q

Dynamic Stability

A

External to the boat- surf, current, wind

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4
Q

Static Stability

A

Internal to the boat- boats design, free surface effect (shifting of fuel or water) loose equipment, changes in throttle

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5
Q

Forces that affect Stability

A

Center of Gravity and Buoyancy

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6
Q

Center of Gravity

A

Point at which the weight of the boat acts vertically downwards.

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7
Q

Buoyancy

A

Upward force of water displaced by the hull; force keeps the boat afloat.

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8
Q

Variation

A

Difference between true and magnetic

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9
Q

Deviation

A

Difference between magnetic bearings and compass bearings caused by electronic, magnetic fields.

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10
Q

First Aid- Types of Bleeding

A

Arterial
Capillary
Venous

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11
Q

Capillary Bleeding

A

Blood from a smaller vein- bright red, oozes from the wound

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12
Q

Venous Bleeding

A

Blood coming from a vein- dark ready, steady flow

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13
Q

Arterial Bleeding

A

Blood coming from an artery- bright red, gushes in jets

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14
Q

Controls of Bleeding

A

Direct pressure, elevation, pressure points, tourniquet

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15
Q

CPR

A 
Scene safe. PPE/Gloves
Check responsiveness
Notify EMS
Position on their back
Head tilt/ chin lift
Look, listen, feel 5-10sec
Adults- 30:2
Children- 30:2
Infants- 15:2 Provide 2 rescue breaths prior to
16
Q

Survival Vest Contents

A 
Signaling mirror
Signal whistle
Smoke and illumination signal (MK124)
Illumination signal kit (MK79)
Distress signal light
Survival knife
Personal Locator beacon
17
Q

Signaling mirror

A

Can be seen from “great distances”

18
Q

Signal Whistle

A

Can be heard up to 1100 yds

19
Q

MK124

A

Night end (double ribbed)- red flare
Day end- orange smoke
Burns for about 20 secs
Hold at 45 degree angle

20
Q

MK79

A 
7 flares (1 for each day of the week)
Projector
Red star display
250-650 ft
Burns for 4.5 secs 
12,000 candle power
21
Q

Distress signal light (firefly)

A 
Approx. 50 flashes/min
100,000 candle power
9 hrs continuous 
18 intermittent 
Visible up to 5 miles
22
Q

Personal Locator Beacon

A

Broadcasts on 406 and 121.5 MHz

Can locate within 3 NM in 90 mins

23
Q

Distress Signals

A 
Res star shells
Fog horn (continuous)
Flames on a vessel
Gun fired at 1min intervals
Orange flag w black ball and square
SOS
MAYDAY by radio
Parachute red flare
Dye marker
November/Charlie flags
Square flags and ball
Waving arms
Radio telegraph alarm
Radio telephone alarm
EPIRB
Smoke

Boat Crew (5 decks)

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