Boat Crew Flashcards
8 Crew responsibilities
1) Line handling
2) helmsman
3) anchor watch
4) tow watch
5) lookout
6) first aid
7) damage control man
8) surface swimmer
7 parts of TCT
Mission analysis Communication Situational awareness Adaptability/flexibility Leadership Assertiveness Decision making
Knockdown procedures
Next wave Crew accountability Get out of zone Gear accountability Contact station
Mandatory sound signal for a vessel at anchor
One minute interval of the bell ringing rapidly
Optional sound signal for vessel at anchor
One short one prolong one short
Mandatory sound signal for a vessel aground
3 distinct rapid 3 distinct
Optional sound signal for vessel aground
Whistle
What scenarios use one prolong two short in restricted visibility
Fishing Constrained by draft Vessel not under command Restricted inability to maneuver Sailing Towing
Which vessel sounds one prolong three short?
The last manned vessel in the tow
What sound signal uses 4 short blasts?
Pilot boat ahead
Name the 17 distress signals
1) continuous blast of the foghorn
2) Charlie over November flag
3) red star shells
4) epirb
5) gun being shot off at intervals of one minute
6) dye marker
7) mayday
8) telephone
9) Telegraph
10) sos (3 short, 3 prolong, 3 short)
11) black circle below black square
12) orange flag with black circle below black square
13) flames
14) person waving their arms
15) red flare
16) smoke
17) high intensity light (50-70x)
Restricted in ability to maneuver day shape and light
Ball diamond ball
Red white red
Manual portable bilge pump specs
10 strokes a gallon at 6 gallons a minute
Window sump pump
800 gph sump pump
Float switch
Strainer ➡️check valve➡️exit through fitting on port side of engine well
Dry chemical extinguishers on the 29’
2.5 pounds
8-12 second discharge
6-8 Feet range
Baffel
A strainer to help prevent free surface effect.
Located in frame 6-7
Where is the depth sounder located on the 47?
Port side between frames 7-8
Where is the speed log located on the 47?
Starboard side between frames 7-8
What is the purpose of the bonnet?
Provide suction in the event the boat capsizes. The suction is 2” from the bottom of the tank at frame 6.
Free surface effect
Movement of a liquid to one side of a partially filled storage tank as the vessel rolls from side to side.
What does a drogue do?
Helps control the towed vessels motions by acting like a parachute.
Where are the sea suction valves located?
Between frames 4-5
What is the length of the throw bag?
75 feet
Minimum continuous duration of the floating electric marker light?
36 hours
MK-124 specs
Each end burns for 20 seconds
Night end produces red flare
Day end orange smoke
Two raised bands on night end
MK-79 specs
7 projectiles Made of (MK-31 & MK-80) Height between 250-650ft Burns for 4.5 seconds 12,000 candle power
MK-127 specs
White flare 650-700ft 36 secs burn 125,000 candle power Decent rate 10–15ft per second Fired no less than 60 degrees no greater than 90
Signal mirror
Can be seen great distance.
Halfway between sun and target
Has instructions
Distress signal light
Firefly 3
50-70 flashes per minute
9 hour continuous life
Seen about five miles
Signal whistle
Fox 40
1100 yards
What can be found in the anchor locker on the 47?
Fortress 19 lb With 9 feet of 3/8 inch stainless steel anchor chain 300 feet of 2 1/4anchor line 1/2 inch stainless steel shackle 3/8 inch stainless steel swivel 3/4 inch stainless steel thimble T handle wrench
Crew fatigue
Caused by: extreme hot or cold temperature, eye strain, stress, sun exposure, lack of sleep
Responsibility: crew should look out for one another for signs of fatigue
Symptoms: inability to focus, mental confusion, decreased coordination, disregard for safety
Prevention: adequate rest, rotating crew duties, appropriate dress
Motion sickness
Causes: stress, rolling, attention on task
Symptoms: nausea, sweating, paleness
Prevention and medication: Dramamine at least 12 hours before.
Lights and day shapes for vessel constrained by draft
3 red lights and a can day shape
Vessels aground lights and dayshape
2 red lights and 3 balls
What NAV rule requires a lookout?
Rule 5
What is the sound signal for a vessel underway, making way?
One prolong every two minutes
Underway but not making way sound signal
Two prolonged blasts every two minut s
Types of bleeding
Arterial: blood gushing in jets bright red
Venous: Steady flow, dark red
Capillary: bright red oozing
How to control bleeding?
Direct pressure
Elevation
Pressure points
Tourniquet
Types of burns
First degree: outer layer of skin, redness, tender
Second degree: blisters, severe pain, redness
Third degree: possible white and black
Treatment of burns
First degree: cold water, flush chemical for 20 minutes, cover with clean sterile dressing
Second degree: don’t break blisters, cold water
Third degree: reduce air exposure, treat for shock, assess vitals every 5 min
CPR
Cardiopulmonary resuscitation
100-120 compressions 2 breaths. Reassess then 30:2
Hypothermia
When core body temperature drops
Symptoms: pale skin, shallow breathing, confusion, shivering, numb appendages
Treatment: indoors, remove wet clothing, wrap in blankets
HELP
Heat cramps
Caused by salt and water depletion.
Recently used muscles are susceptible to heat cramps.
Treatment: put in a cool place and replace depleted fluids
Heat exhaustion
Symptoms: pale skin, sweating profusely, pounding heart,
Treatment: get to an area to provide medical care.
Heat stroke
Symptoms: no sweat, headache, weak rapid pulse, confusion, lack of coordination
Treatment: cooler environment and seek medical assistance.
Water temperature requirements
50 degree air & 50 degree water or below = dry suits
50-60 air and water = anti exposure coveralls
60& above air and water= type III
Two types of stability
Longitudinal: fore and aft
Transverse: athwartships
P6 pump specs
6 1/2 hp engine
250 gpm
12 foot suction lift
4-5 hour run time
Diameter of the prop shaft
2.5 inches
Where are the sea suction valves located?
Frames 4-5
Fuel tank located
On the keel b/w frames 5-8
Where are the baffels located?
Between frames 6-7
AIS
Automatic identification system
Used an MMSI (maritime mobile service identity)
Red hours
2300-0500
Another name for a drogue?
Sea anchor
SINS
Scalable integrated navigation system
>PG-1000 heading sensor >gps/dgps > multi display unit. > depth sounder > radar plotter
Four lengths on the 29
Length at waterline: 26’2
Max length: 31’7
Length overall(trailer): 36’10
Max length(trailer): 38’1
Beam on the 29
8’5
Offset transducer 29
18 inch
Operational draft (vertical) on the 29
2’9
Minimum draft on the 29
1’10
Four heights on the 29’
Highest point fixed: 7’10 radar
Highest point unfixed: 9’10 antennae
Highest point fixed(trailer) 10’6
Highest point unfixed(trailer): 12’6
Fuel tank (diesel) 29’
3.3 gallons of heaters
Engines on the 29’
225 HP twin Honda 4strk
Props on the 29’
15 3/8 x 18p
3 boat weights 29’
Boat weight: 8400
Max weight: 11800
Trailering weight: 9960
Speeds on the 29’
47 kt 6000 RPM
25 kt 3250 RPM
Max range 29’
175 NM
Max winds 29’
25 kts
Tow capacity 29’
10 tons
3 lengths on the 47’
Hull length: 47’11 w/o rub rails
Length overall: 48’11 w/ rubrails
Length at waterline: 43’
Two beams on the 47’
Hull beam: 14’ w/o rubrails
Beam overall: 15’ w/ rubrails
Freeboard measurements on the 47’
Bow: 6’8
Amidships: 2’2
Aft: 7’1
Draft on the 47’
4’6
3 heights on the 47’
Height at radar: 18’6
Height of mast: 24’6
Height of antennae: 28’4
Speeds on the 47’
Max speed: 25 kts @ 2100 RPM
Cruise: 20 kts @ 1850 RPM
Cruise range on 47’
200 NM
Max winds on the 47’
50 KTS
Max seas 47’
30 ft
Max surf 47’
20 ft
Towing 47’
150 tons at 3 1/4
50 tons on 2 1/4
Stopping on 47’
Coast stop 400/1 min 10 sec
Crash stop: 150/ 9 secs
Reduction gears 47’
Reintjes wvs 234 UP 2:1
Props 47’
Fixed four blades 28’ diameter x 36’ pitch
GAR
0-23(green) 23-44(amber) 45-60(red) Supervision Planning Environment Crew selection Crew fitness Complexity
