Bell OH-58A Technical Manual page 176

TM 55-1520-228-BD
ELECTRICAL AND AVIONICS SYSTEM
Table 11-2.
CIRCUIT
DESIGNATION
LETTER
K ENGINE CONTROL:
Blower ratio
Starter
Warning
L LIGHTING:
Approach
Flasher-coder
Cockpit
Drift
Cabin
Formation
Cargo
Interior
Instrument
Section (fuselage)
Landing
Exterior
Running, position, navigation
Passing
Search
Taxi
Warning
MISCELLANEOUS ELECTRIC:
M
Windshield spray
Windshield wiper
Hoist
Enclosure operation
Positioner; seat, pedal
Special test equipment
N UNASSIGNED
O In order to avoid confusion
with the numeral zero, the
letter "O" shall not be used
for circuit or cable identi-
fication.
DC POWER
P
11-4
Function and Designation Letters (Cont)
CIRCUITS
CIRCUIT
DESIGNATION
LETTER
FUEL AND OIL:
Q
Fuel valves
Fuel booster-pump motor
Moisture control
Oil dilution
Engine primer
Fuel-transfer-pump
and control
Fuel-loading-pump motor
0il transfer-pump motor
and control
Oil booster pump
Oil scavenge pump
Throttle control
Fuel-pump motor
Oil diverter
Oil valves
Warning
R RADIO (Navigation and
communication):
RA-Instrument landing
RC-Command
RD-Radio direction finding
RF-VHF liaison
RH-Homing
RL-Liaison
RM-Marker beacon
RN-Navigation
RP-Special systems
RS-SHF command
RT-Radio teletype
RU-UHF command
RV-VHF command
RX-Recorder
RZ-Interphone,
CIRCUITS
motor
headphone