TM 1-1520-264-23
LH
Left-hand (left side of aircraft aft looking forward)
LPF
Low Pass Filter
MAC
Maintenance Allocation Chart
MAX
Maximum
MHz
Megahertz
MIN
Minimum
MLG
Main Landing Gear
M/R
Main Rotor
MT
Magnetic Particle Method
NDI
Nondestructive Inspection
OUTBD
Outboard
P/N
Part Number
PSI
Pounds per Square Inch
PSIG
Pounds per Square Inch Gauged
PT
Fluorescent Penetrant Method
RH
Right-hand (right side of aircraft aft looking forward)
ROT
Rotation
RT
Radiographic Method
SPAD
Shear Pin Activated Decoupler
STA
Station
TLG
Tail Landing Gear
TM
Technical Manual
T/R
Tail Rotor
UT
Ultrasonic Method
VdB
Vertical Decibels .(Gain)
V Pos
Vertical Position
WL
Waterline
1.1.2 How to Use This Manual. This manual is divided into six sections as follows:
I
Introduction.
II
Rotor System
III
Drive System
IV
Airframe and Landing Gear System
V
Engine System
VI
Flight Control System
1-5