Operational Characteristics and Limitations

Question 1

Maximum Range

Answer 1

200 NM at crusing RPM in calm water

Question 2

Maximum operating distance from shore

Answer 2

50 NM

Question 3

Minimum crew size

Answer 3

3. Cxn, Engineer, and crewmember

Question 4

Maximum personnel

Answer 4

34 (180 lbs each)

Question 5

Sea size and wind limitations

Answer 5

30 ft seas (20 ft breaking), 50 kts of wind

Question 6

Towing capacity

Answer 6

150 displacement tons with 3 1/4-inch towline
50 displacement tons with 2-inch towline

Question 7

Fuel type and capacity

Answer 7

Diesel. 394 gallons, 373 usable at 95%

Question 8

Engine type and horsepower

Answer 8

Twin Detroit Diesel Electronically Controlled 6V92TA: 6 cylinder, v-formation, 92 cubic inches, turbo after cooled.
435 Base Horsepower at 2100 RPM
2200 RPM max
2050 RPM full power
1850 RPM cruising
Right hand rotation

Question 9

Marine gear type and ratio

Answer 9

Reintjes WVS 234 UP (U-formation propulsion)
2:1 ratio. For every 2 red gear rotations, the prop rotates once
30 WT oil
7.1 gallon capacity

Question 10

Propeller diameter and pitch

Answer 10

Fixed 4-bladed, 28-inch diameter, 36-inch pitch

Question 11

DDEC

Answer 11

Computerized electronic engine governing system
electronic fuel injection system
self diagnostics
improved engine performance
rapid warm up
precise engine synchronization
low idle operation
engine stall, transmission and overload protection
sensors and operator inputs send signals to the ECM
info sent to the ECM is used to precisely regulate engine performance

Question 12

DDEC components

Answer 12

throttles
station control panel
electonic display module (edm)
control station interface module (csim)
engine room interface module (erim)
electronic gear interface module (egim)
manufactures interface module (mim)
emergency back up panel
diagnostic data reader

Question 13

Charging System and Batteries

Answer 13

Shore power I/P
Alternators U/W
Batteries: 12 volt 1975 CCA AGM batteries located under deck plate in aux
Start and service battery
Battery isolation switches located in survivor’s compartment allow for disconnection/parallelling of batteries
inverter charger charges batteries when needed and converts DC to AC

Question 14

Emergency Engine Stops and Locations

Answer 14

3 sets
Port and Stbd engines on open bridge
port and stbd engines in enclosed bridge
port and stbd fuel stops by engine room door in survivors