-
I/O input/output
-
IA interoperability assessment
-
I&TE integration and test engineering
-
IACSP international aeronautical communications service provider
-
IAC integrated avionics computer
-
IAGS integrated ARINC ground station
-
IANA Internet assigned number authority
-
IAOA indicated angle of attack
-
IAOPA International Council of Aircraft Owners and Pilots Association
-
IAPA instrument approach procedures automation
-
IAPS integrated avionics processing system
-
IARP inverse address resolution protocol
-
IAS indicated airspeed
-
IAT investment analysis team
-
IATA International Air Transport Association
-
IBAC International Business Aviation Council
-
IC integrated circuit
-
IC intercabinet
-
ICAO International Civil Aviation Organization
-
ICARD ICAO five-letter name code & route designator system
-
ICAP improved capability
-
ICC IAPS card cage
-
ICCAIA International Coordinating Council of Aerospace Industries Association
-
ICD interactive design center
-
ICD interface control document/drawing
-
ICD installation control drawing
-
ICM interline communications manual
-
ICMP Internet control message protocol
-
ICNIA integrated communications, navigation and identification avionics
-
ICP integrated core processor
-
ICS intercommunications system
-
ICS interface control specification
-
ICSS integrated communication switching system
-
ICU instrument comparator unit
-
ICU integrated control unit
-
ID identifier/identification
-
IDC indicator display/control
-
IDC internal diagnostic capabilities
-
IDD interface design document
-
IDEN integrated digital enhanced network
-
IDG integrated drive generator
-
IDI initial domain identifier
-
IDIQ indefinite-delivery/indefinite quantity
-
IDM Improved Data Modem
-
iDMU integrated data management unit
-
IDP initial domain part
-
IDRP interdomain routing protocol
-
IDS ice detection system
-
IDS inter-domain system
-
IDS integrated display system
-
IDU interactive display unit
-
IEC IAPS environmental control module
-
IEC International Electrotechnical Commission
-
IEC International Engineering Consortium
-
IED insertion extraction device
-
IEEE Institute of Electrical and Electronics Engineers
-
IF intermediate frequency
-
IFALPA International Federation of Airline Pilots Association
-
IFASS integrated system for surveillance and radio transmission
-
IFATCA International Federation of Air Traffic Controllers’ Association
-
IFC indicated final cost
-
IFDL intraflight data link
-
IFE in-flight entertainment
-
IFF identification, friend or foe
-
IFIS Integrated Flight Information System
-
IFPS integrated initial flight plan processing system
-
IFR instrument flight rules
-
IFRB International Frequency Registration Board
-
IGES initial graphic exchange specification
-
IGES intermediate ground earth station
-
IGIA Interagency Group on International Aviation
-
IGV inlet guide vane
-
IHAS integrated hazard avoidance system
-
ILA International Law Association
-
ILM independent landing monitor
-
ILS instrument landing system
-
ILSP integrated logistics support plan
-
IMA integrated modular avionics
-
IMC instrument meteorological conditions
-
IMG implementation manager group
-
IMU inertial measurement unit
-
INFO information frame
-
INAV interactive navigation
-
inHg inches of mercury
-
INMARSAT International Maritime Satellite Organization
-
INMS integrated network management system
-
INS inertial navigation system
-
INTELSAT International Telecommunications Satellite Organization
-
InterNIC Internet Network Information Center
-
Interop interoperability
-
IOC initial operating capability
-
ION Institute of Navigation
-
IOR Indian Ocean region
-
IOS Internet operating system
-
IOT&E initial operational test and evaluation
-
IP intellectual property
-
IP Internet protocol
-
IPACG Informal Pacific ATC Coordination Group
-
IPC intermediate pressure compressor
-
IPC interprocess communication
-
IPD industrial products division
-
IPI initial protocol identifier
-
IPT integrated product team
-
IPL illustrated parts list
-
IPR Internet protocol router
-
IPS internet service providers
-
IPT integrated product team
-
IPT integrated project team
-
IPT intermediate pressure turbine
-
IR infrared
-
IRAC Interdepartmental Radio Advisory Committee
-
IR&D investment research and development
-
IRIG-B inter-range instrumentation group-time code format B
-
IRIS Iris Recognition Immigration System
-
IRP integrated refuel panel
-
IRR internal rate of return
-
IRS inertial reference system
-
IRS interface requirements specification
-
IRU inertial reference unit
-
IS intermediate system
-
ISA industry standard architecture
-
ISA Instrument Society of America
-
ISC integrated systems controller
-
ISDN integrated services digital network
-
ISDOS information system design and optimization system
-
ISDU inertial system display unit
-
ISH intermediate system hello
-
ISIS integrated sensor is structure
-
ISLN isolation
-
ISMS in-flight safety monitoring system
-
ISO International Standards Organization
-
ISO PA ISO protocol architecture
-
ISP integrated switching panel
-
ISP internet service providers
-
ISR Intelligence, Surveillance and Reconnaissance
-
ISR interrupt service routine
-
ISS integrated surveillance system
-
ISSN intermediate system sub-network
-
ISSS initial sector suite system/subsystem
-
ISU initial signal unit
-
ITAR International Traffic in Arms Regulations
-
ITC in-trail climb
-
ITD in-trail descent
-
ITM IT management
-
ITS integrated test system
-
ITSE integrated test and support environment
-
ITU International Telecommunications Union
-
ITWS integrated terminal weather system
-
IUPS internal uninterruptible power supply
-
IV isolation valve
-
IVSI instantaneous vertical speed indicator
