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identification manoeuvre
2 Light on ground adjacent to beacon serving as identifier.
identification manoeuvre In primitive radar GCA,
manoeuvre commanded by controller to establish positive
identity of customer on radar.
identifier code Three-letter code unique to each airport.
Idex Imagery dissemination and exploitation [system].
IDF 1 Intelligent data fusion, most efficient way of
using large amounts of data from many sources.
2 Indigenous Defence Fighter.
3 IR decoy flare.
4 Instantaneous direction-finding.
Idflieg Inspektion der Fliegertruppen (G).
IDG Integrated-drive generator.
IDGA Institute for Defense and Government[al]
Advancement (US).
IDH Intelligent, or intelligence, data handling; S adds
system.
IDI Initial domain identifier.
ID/IQ Indefinite delivery, indefinite quantity.
IDIS 1 Interactive distributive information and support
[on-line manuals].
2 Intelligent display and information system.
IDL Intraflight datalink.
idle area reset Open divergent afterburner nozzle with
throttle closed [reduces temperatures].
idle cutoff Position of piston engine mixture control that
cuts off fuel supply, thus stopping engine.
idle descent To bleed off height with engine[s] at flight
idle.
idler Gearwheel or shaft whose sole function is to
transmit drive between two others.
idles Repeated cycling of engine from idling to specified
higher power.
IDLH Immediately dangerous to life or health.
idling Running at governed low speed consistent with
reliable smooth operation, in most engines well above
minimum sustaining rpm: usually two regimes, ground *
being lower N 1 than flight * and obtained only when oleos
compressed.
IDLS International Data Link Society (2003–).
IDM 1 Improved data modem.
2 Inductive debris monitor.
IDO Initial defensive operations.
IDP 1 Individual development programme.
2 Integrated data-processing.
3 Imagery display processor.
4 Initial domain port.
IDPA International Deaf Pilots’ Association.
IDPM Institute of Data Processing Management (UK).
IDPS Interface data-processing segment (NPOESS).
IDPU Incursion and display processing unit.
IDR Initial design review.
IDRF Impact-Dynamics Research Facility (crash tests,
NASA Langley).
IDRP Inter-domain routing protocol.
IDS 1 Interdiction/strike.
2 Integrated display set [or system].
3 Improved data set (USAF).
4 Integrated dynamic system (helo).
5 Infra-red detection set.
6 Integrated diagnostic system.
7 Ice-detection system.
8 IATA distribution services.
IEVS
9 Intrusion detection system.
10 Information display system.
11 Integrated deepwater system (USCG).
IDSCP Initial Defense Satellite Communications
Program (US).
IDST Integrated decision support tool.
IDTC Inter-deployment training cycle (USN).
IDU Interactive, or integrated, display unit.
IE 1 Institution of Electronics (UK).
2 Instrument error.
3 Initial equipment (RAF).
4 Incremental ejection.
IEA International Ergonomics Association.
IEAA International EAA, UK based.
IEB Institut für Extraterrestrische Biologie (G).
IEC 1 International Electrotechnical Commission.
[office, Geneva]
2 IAPS (2) environmental control module.
3 Inertial electrostatic confinement.
IECC International Express Carriers Conference.
IECMS In-flight engine-condition monitoring system.
IED 1 Improvised explosive device; D adds disposal.
2 Insertion/extraction device.
IEDD IED (1) disposal.
IEE The Institution of Electrical Engineers [1871–; now
the IET] (UK).
IEEE The Institute of Electrical and Electronic
Engineers [office, New York, NY08855] (US).
IEER Improved extended echo ranging.
IEF Interpretive execution facility (software).
IEM Interpretive/explanatory material (JARs).
IEMats Improved emergency message auto transmission
system.
IEN Internal engineering notice.
IEP 1 Interim Earth penetrator.
2 Integrated electric propulsion [carrier].
IEPG Independent European Programme Group
(NATO).
IEPR Integrated engine pressure ratio.
IERE Institution of Electronic and Radio Engineers
(UK).
IERW Initial entry rotary-wing [ITS adds integrated
training system].
IES 1 Image enhancement system.
2 Imagery exploitation system.
3 Interface editor system (ATC).
IES 1 Illuminating Engineering Society; AC adds
Aviation Committee (US).
2 Institute of Environmental Services [office, Mt
Prospect, IL] (US).
IESI Integrated electronic standby instrument.
IESSG Institute of Engineering, Surveying and Space
Geodesy.
IET 1 Initial entry training.
2 Interline electronic ticket.
3 Institution of Engineering and Technology [London
WC2R 0BL] (UK).
IETDS Interactive electronic training delivery system
(Neth.).
IETF Internet engineering task force.
IETM Interactive electronic technical manual[s].
IEU Interface electronics unit.
IEVS IR enhanced vision system.
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