Pilothouse The pilothouse is the command center of the vessel.

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FIGURE 1-8. LCU Inboard Profile.

TM-55-1905-223-10 Landing Craft Utility (LCU 200 Class) NSN 1905-01-154-1191 Manual

FIGURE 1-9. Pilothouse (Sheet 1 of 9).

TM 55-1905-223-10

(2) Pilothouse The pilothouse is the command center of the vessel.

(a) Pilothouse control console.

Sheet 1, FIGURE 1-9 shows the equipment located in the control

console.

Machinery plant monitor system (1). The machinery plant monitor system is a micro-

computer that monitors important operating data for the main engines, main generator

engines, and bowthruster engine. The system also monitors tank levels, fire main and

control air pressure, ventilation fan condition, steering system, air conditioner seawater pump

condition, freshwater system, lube oil system, dirty oil system, and other important conditions

vital to the LCU's operation. The system provides display of operating data on a Cathode

Ray Tube (CRT).

Autopilot (2). Autopilot provides automatic steering control.

Steering control panel (3). Provides means to select and indicate mode of operation and

which steering pump is operating.

Bowthruster/fire pump throttle/clutch (4).

Engages clutch and adjusts speed of the

bowthruster diesel engine. When moved to the right, engages bow- thruster; when moved to

the left, engages the fire pump.

Bowthruster control panel (5). Provides operation and directional control of the bowthruster

waterjet set.

Engine order telegraph (6). The engine order telegraph (EOT) system communicates

pilothouse directions to the engine room when the pilothouse is not in direct control of the

main engines.

Depth finder digital display (7). The AN/SQN-21 Depth Finder Digital Display provides water

depth information in feet or fathoms numerically on a four digit visual display.

Blinker light key (8). Telegraph type key used to send messages by blinker lights on the

mast.

Bowthruster engine tachometer (9).

Indicates revolutions per minute (RPM) of the

bowthruster diesel engine.

Bow ramp control panel (10) Controls for raising and lowering the bow ramp.

Air pressure gauge (11). Air pressure gauge indicates control air pressure.

Control air valve (12). Valve to select control air from engine room (up) or give control air to

engine room (down).

STBD shaft tachometer (13). Indicates RPM and direction of the starboard propeller shaft.

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