Operational Brevity words, BFM terminology, and Military Aviation Acronyms

Glossary terms starting with "I"



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I/P
Identification of Position / Instructor Pilot
IADS
Integrated Air Defense System.
IAIS
Improved Avionics Intermediate Shop
IAS
Indicated Airspeed
IAVTR
Improved Airborne Video Tape Recorder
IAW
In Accordance With
ID
Identification
ID
Directive to intercept and identify the target; also aircrew ID accomplished, followed by type aircraft.
IDM
Improved Data Modem
IFE
In-Flight Emergency
IFF
Identification, Friend or Foe
IFTS
Internal FLIR and Targeting System
ILS
Instrument Landing System
IMC
Instrument Meteorological Conditions
IMD
Improved Data Modem
Immelmann Turn
A vertical turn up designed to solve a high angle-off and high aspect angle attack situation. Optimally performed, the Immelmann turn should terminate in the defender's 6 o'clock, within heat missile range and a relatively high energy state. Normally performed from head-on aspect with large altitude separation.
IMSC
Instrument Mode Select Coupler
IMSP
Instrument Mode Select Panel
In Place (Left, Right)
Perform indicated maneuver simultaneously.
In Trail
Perform suggested maneuver maintaining relative position in formation.
in., IN.
Inches
INC
Increase
IND
Indicator
INOP
Inoperative
INS
Inertial Navigation Set (or System)
INSTR
Instrument
INT
Intensity or Internal or Interval
Intercept
A phase of an air-to-air mission between the commit and engagement.
INU
Inertial Navigation Unit
IP
Instructor Pilot
IR
Infrared.
IRCM
Infrared countermeasures.
ISA
Integrated Servoactuator
IVGV
Inlet Variable Guide Vanes