Engineering
Boat Specs
Nautical Terms
Seamanship
100

Engines in the 47MLB

DDEC 6V92TA

100

Deepest draft

4'6" at the propeller shaft strut extensions

100

Side of vessel towards the wind

Windward

100

Knot used to create a temporary eye in a line

Bowline

200

Total Fuel capacity 

100% 394 

95% 373

200

Watertight compartments and their frame number

Laz: transom 1

Engine room: 1-5 

Survivors: 5-8 

Aux & Enclosed: 8-10 

Forward: 10-15 

Forepeak: 15 bow

200

Permanent lean of a vessel either port or starboard

List

200

Sag in a line which provides a spring or elastic effect while towing

Catenary

300

Label and Draw the fire suppression system 

...correct drawing...

300

Environmental Limitations 

30' Seas 

20' Surf 

50 KTS wind 

50NM off shore

300

The entire cubic capacity of a vessel expressed in tons of 100 cubic feet. 

Gross Tons

300

Buoyage used in North/ South America, Japan, South Korea, and Philippines

IALA-B 

400

Flow rate of the raw water pump

67 GPM

400

Number of electric bilge pumps and where they discharge at

Forward: STB of keel at frame 10. STB discharge

AUX: STB keel at frame 8. PORT discharge 

Survivors: in each R/G space at frame 5. connected to engine room discharge PORT & STB 

Engine: fwd located at frame 5, aft located between frames 1&2. Discharge PORT & STB 

LAZ: centerline at frame 1. discharges at stern

400

Both vessels ride over the seas in the same relative position. 

In Step

400

Made of three strands, right or left laid. 

Plain laid

500

Fuel oil is maintained at temperature of how many degrees Fahrenheit

90°F

500

four hull thickness measurements 

5/16" bottom plating

1/4" side plating 

3/8" chine plate 

1/2" keel plate

500

Vertical line inside a compass indicating the direction of the vessel's heading

Lubber Line

500

Slanted lettering on a chart indicates what

information that is affected by tidal or current change 

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