TM 1-1520-265-23
1-4
1.1.1 Special Terms, Abbreviations, and Acronyms.
AC
Alternating Current
APU
Auxiliary Power Unit
AVIM
Aviation Intermediate Maintenance
AVUM
Aviation Unit Maintenance
BL
Buttline
BT
Bond Testing Method
C
Celsius
CCW
Counterclockwise
CL
Centerline
CPG
Copilot/Gunner
CRT
Cathode Ray Tube
CW
Clockwise
DEC
Digital Electronic Control
DC
Direct Current
EDM
Electrically Discharged Machined Notches
EEC
Electrical Engine Control
ET
Eddy Current Method
F
Fahrenheit
FPS
Flight Path Stabilization
FSH
Full Screen Height
FWD
Forward
HdB
Horizontal Decibels (Gain)
H Pos
Horizontal Position
HPF
High Pass Filter
HIRSS
Hover Infared Suppression System
ID
Inside Diameter
IR
Infared
INBD
Inboard
KHz
Kilohertz
LCD
Liquid Crystal Display
LE
Leading Edge
LH
Left-hand (left side of aircraft aft looking forward0
LPF
Low pass Filter
MAC
Maintenance Allocation Chart
MAX
Maximum
MHz
Megahertz
MIN
Minimum
