Abbreviation	Definition
AAR	Air-to-Air-Refueling
AC	Aerodynamic center
ACM	Air Combat Maneuvering
ac	Alternating current
ADCS	Air Data Computer Set
ADI	Attitude Director Indicator
AFC	Automatic Frequency Control
AFCS	Automatic Flight Control System
AGC	Automatic Gain Control
AHRS	Attitude Heading Reference System
AJB	Airborne, Electro-Mechanical, Bombing
AOA	Angle of Attack
APA	Airborne, Radar, Auxiliary Assembly
APN	Airborne, Radar, Navigational Aid
APQ	Airborne, Radar, Special Purpose
APU	Auxiliary Power Unit
AR	Air Refueling
ARI	Aileron Rudder Interconnect
ARC	Airborne, Radio, Control
ARR	Air Refueling Release (Button)
ASA	Airborne, Special Type, Auxiliary Assembly
ASE	Allowable Steering Error
ASN	Airborne, Special Type, Navigational Aid
ASQ	Airborne, Special Type, Combination of Purposes
AVTR	Airborne Video Tape Recorder
AWRU	Aircraft Weapons Release Unit
AWW	Airborne, Armament, Control

Abbreviation	Definition
BDHI	Bearing Distance Heading Indicator
BIT	Built-In Test
BST	Boresight

Abbreviation	Definition
CAA	Computer Automatic Acquisition
CADC	Central Air Data Computer
CAP	Combat Air Patrol
CAS	Calibrated Airspeed
CG	Center of Gravity
CIT	Compressor Inlet Temperature
CNI	Communication Navigation Identification
CSD	Constant Speed Drive

Abbreviation	Definition
dc	Direct current
DSCG	Digital Scan Converter Group
DCU	Douglas Control Unit
DMAS	Digital Modular Avionics System
DME	Distance Measuring Equipment
DR	Dead Reckoning
DVST	Direct View Storage Tube

Abbreviation	Definition
EAS	Equivalent Airspeed
ECM	Electronic Countermeasure(s)
EGT	Exhaust Gas Temperature

Abbreviation	Definition
FL	Flight Level

Abbreviation	Definition
G	Gravity
GCA	Ground Control Approach
GCI	Ground Control Intercept
gpm	Gallon per minute

Abbreviation	Definition
Hangfire	A delay or failure of an article of ordinance after being triggered
Hang Start	A start that results in a stagnated rpm and temperature
Hot Start	A start that exceeds normal starting temperatures
HSI	Horizontal Situation Indicator
Hz	Hertz

Abbreviation	Definition
IP	Identification Point
IAS	Indicated Airspeed
IFF	Identification Friend or Foe
IFR	Instrument Flight Rules
ILS	Instrument Landing System
IMC	Instrument Meteorological Conditions
IR	Infrared
I/P	Identification of Position

Abbreviation	Definition
JP	Jet Propulsion

Abbreviation	Definition
KTS	Knots

Abbreviation	Definition
LABS	Low Altitude Bombing System
LCOSS	Lead Computing Optical Sight
LE	Leading Edge
LOX	Liquid Oxygen
Lpm	Liters per minute

Abbreviation	Definition
MAC	Mean Aerodynamic Chord
MIL	Military
Misfire	A permanent failure of an article of ordinance being triggered
MSDG	Multiple Sensor Display Group
MSL	Mean Sea Level

Abbreviation	Definition
N/A	Not applicable
N/E	Not established
NMPP	Nautical Miles Per Pound

Abbreviation	Definition
OAT	Outside Air Temperature

Abbreviation	Definition
P	Pilot
PC	Power Control
PDVL	Pull Down Vent Line
PLB	Personnel locator beacon
prf	Pulse repetition frequency
psi	Pounds per square inch

Abbreviation	Definition
q	Dynamic Pressure, psf

Abbreviation	Definition
RADAR	Radio Detection and Ranging
RBL	Radar Boresight Line
rf	Radio Frequency
RIP	Radar Identification Point
rpm	Revolutions Per Minute
RWR	Radar Warning Receiver

Abbreviation	Definition
SID	Standard Instrument Departure
SPC	Static Pressure Compensator

Abbreviation	Definition
TACAN	Tactical Air Navigation
TAS	True Airspeed
TE	Trailing Edge
TISEO	Target Identification System Electro-Optical
TMN	True Mach Number

Abbreviation	Definition
UHF	Ultra High Frequency

Abbreviation	Definition
VFR	Visual Flight Rules
VHF	Very High Frequency
VIP	Visual Identification Point
VMC	Visual Meteorological Conditions
Vn	Velocity Acceleration Relationship
VORTAC	Very High Frequency —- Omni Range and Tactical
	Air Navigation

Abbreviation	Definition
WSO	Weapons System Officer