Basic Crewman Stuff Flashcards
Duties and responsibilities of a crewman
- Helmsman
- Lookout
- Towing watch
- Anchor watch
- Assist with piloting and navigation
- Rig towing and mooring lines
- Act as the boat swimmer
- Administer 1st aid
- Operate DC equipment
A lookout shall report ___
Everything they see, smell, or hear, or think they see, hear, or smell
Items for a lookout to report are:
- Vessels
- Land
- Obstructions
- Lights
- Buoys
- Beacons
- Discolored water
- Reefs
- Fog signals
- Whales
- Sea turtles
Duties other than lookout should be kept to a minimum, but especially when within ___
3 NM of shore
The helmsman is responsible for:
- Safely steering the boat
- Maintaining a course
- Carrying out all helm commands from the coxswain
At anchor the boats position shall be confirmed at least ___
Every 15 minutes
Two methods to determine if dragging anchor
- Check tension on the anchor line
2. Check the boat’s position
When at anchor take compass bearings to ___
Three separate objects at least 45 degrees apart
Causes of fatigue
- Operating in extreme hot or cold
- Eye strain from sea-spray blurred windshields
- Effort of holding on and maintaining balace
- Exposure to noise
- Exposure to sun
- Stress
- Poor physical conditioning
- Lack of sleep
- Boredom
Symptoms of fatigue
- Inability to focus
- Mental confusion/judgment error
- Decreased motor skills and sensory ability
- Increased irritability
- Decreased performance
- Decreased concern for safety
Preventing fatigue
- Adequate rest
- Appropriate dress
- Rotating crew duties
- Providing food and refreshments
- Observing crew for signs of fatigue
Environmental conditions that promote fatigue
- Motion sickness
- Glare from sun
- Wind and seas
- Fog, rain, snow
- Vibration and sound
Two basic PIW approaches
Windward and leeward
Leeward approach
Bow facing into the greatest force
Windward approach
Wind coming from behind the boat
During a PIW maneuver the boat on the ___ side of the PIW
Weather
If an individual falls overboard at night or restricted visibility at an unknown time, and the trackline is not enabled, us the ___ to search for the MOB
Williamson turn
The advantage of the Williamson turn is ___
That it will place the boat on a reciprocal course from the original track
How to complete the Williamson turn
Turn 60 degrees, then turn the opposite direction and come to the reciprocal from the original course
An untethered boat swimmer should be deployed ___
Only as a last resort
Acronym for tending line commands
OATH
One tug of line
I am OK/Are you OK?
Tap top of head
I am OK/Are you OK?
Two tugs of line
Advance
One arm raised over head
Advance
Three tugs of line
Take in slack
One arm waving over head
Take in slack
Four tugs of line
Help/Do you need help?
Two arms waving over head
Help/Do you need help?
Stokes litter angle
45 degree
Stokes litter will float at the top ___
18 to 24 inches above the water
The stokes litter ballast bar is ___
5 pounds
During helo ops, if radio comms are lost and an emergency breakaway is required ___ should be used to signal the helo
The boat’s blue light or hand signals
At night, helo ops, what may be extinguished?
Boat’s navigation lights
Course to steer for helo ops is normally ___
Relative wind speed of 15 to 30 kts and 35 to 45 degrees off the port bow
What side to approach downed helo?
Bow-on from the leeward side
