Boatcrew Member Flashcards
Hull beam
8’ 0”
Beam overall
8’ 4”
Freeboard
Bow 3’
Amidships 2’ 8”
Door out 11”
Aft 2’6”
Draft
2’4”
Fixed point
Unfixed
Trailered fixed
Unfixed
Fixed 9”
Unfixed mast 14’ 1/2”
Fixed 12’ 3”
Unfixed 16’ 7”
Engines
150 hp 4 cycle outboard counter rotating
Rated horsepower 300
Fuel and capacity
Gasoline
100 gal 95 percent usable
Generation
Alternators
Propellers
Fixed pitch
3 blade
151/4 diameter
18” pitch
Displacement
Hosting 7,300
Normal 8,300
Fully loaded 9300
Trailer information
Load capacity 12,000
Trailer weight 1,720
Weight of trailer boat fully loaded 10,600
Crew capacity
Max passengers 6
Max seas 6’
Max winds 25kts
Range operating
170nm at 4800 rpm
Operating distance from shore
10 mm
Top rpm speed
38 kts @4800 rpm
Towing capacity
10 displacement tons
Davit WLL
500lbs
What is the bouy gripes rated at?
500 the others are 250
What type of anchor and its specs
Fortress model FX-11
Danforth
3/8 inch 316 stainless steel or galvanized shackle with captive pin
9 feet of 3/8 inch 316l stainless steel or galvanized anchor chain
150 feet of 2 1/4 inch double braided nylon
Type of trailer
Boat master trailer
Starter requires
12vdc and 80 ampere
Attached to the mast are the following components
Anchor light Mast light Stern light Lower tow light Search light
The cathodic protection system
Consist of a sacrificial anodes bolted to studies on the port and starboard sides of the outboard engine mounting breaker below the waterline
Minimum crew requirements for Aton?
2 for transit. 3 for Aton
Max allowable persons onboard ?
Not to exceed 10
Boat characteristics
Types of hulls
Three types of hulls. Displacement
Planning
Semi-displacement
Define keel and two types
Literally the backbone of the boat. Runs fore and aft along the center bottomed the boat
Types bar keel and flat keel
Bar: has stiffeners vertical protects the boat if it grounds
Flat; it’s vertical and rider plate built in the boats hull
Dead reckoning
Speed time and course
How many yards in a nautical mile
2000
Hull length tanb
25
Length overall 29’ 7”
How many gpm dies the bildge pump pump ?
1100 gph 18.333 gpm
What is the transducer offset ?
1.75
Where are your cleats located
Port and strb side
Two forward two amidships.
The tow bits?
Located one forward and one aft. Norman cross. Pins located center line. The aft bitt is much larger and capable of towing up to 20,000 lbs
WLL of the Davit
500lbs
What is the cable winch rated at ?
3300lbs
How big is the bouy ring?
24 inches
Attached to the mast?
Anchor light 360 ( combined mast and stern)
Masthead 225
Stern 135
Lower tow
Search light.
Anchor line has a To prevent it from free wheeling
Locking mechanism
Engines are rated for. RPM?
5,000 to 6,000
Total rated horse power
300
Weight of one engine
490 lbs
Engines hold how much oil?
6.9 quarts of SAE 10w-30
The gear case requires
1.04 was of 90 SAE
Starting voltage required
12 Vdc at 80mil Amps
Responsibilities of a crewman
Helm, Lookout Towing and anchor watch Rigging of towing and moorings Act as a surface swimmer Administrate first aid Operate damage control equipment
Types of stability
Transverse
Longitudinal
Static
Dynamic
What is transverse and longitudinal
Athwart ships keeps boat from rolling over
Fore and aft keeps boat from pitch pooling
Static and dynamic
Weight placed in side the boat
Outside forces
Bitter end of the a line
End of line that is worked with
P-6 pump
250 gpm
10ft suction
20ft discharge hose
2.5 gallon 4-6 hours
Center of gravity
Is the point at which the weight of the boat acts vertical downwards
Buoyancy
Is the upward force of water displaced by the hull
Gar model
0-23 green
24-44 Amber
45-60 red
3 minute rule
You will travel 100 yards times your speed in 3 mins
Mk 79
250-650 feet
4.5 seconds
Luminous 12,000
You will pas
Yes you can