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