Abbreviations related to
military aviation

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I- Intermediate (Level Maintenance); Current (Electric); Inertial
I-CLAMP- Intensive Closed Loop Aeronautical Management Program
IAB- Interim Armament Bulletin/Interim Airframe Bulletin
IAC- Instrument-on-a-Card; Integrating Associate Contractor; Integration Assembly and Checkout; Integrated Avionics Computer
IACA- International Air Charter Association
IACCR- Industrial Activity Capability and Capacity Response
IACS- Integrated Armament Control System
IADS- Integrated Air Defense System
IAEA- International Atomic Energy Agency
IAFB- Interim Airframe Bulletin
IAFC- Interim Airframe Change
IAG- Interagency Agreement
IAOP- International Council of Aircraft Owners and Pilot Associations
IAP- Interarray Processor
IAS- Immediate Access Storage; Indicated Airspeed
IAT- Individual Acceptance Test
IATA- International Air Transport Association
IAW- In Accordance With
IAWB- Interim Airborne Weapons Bulletin
IAWLU- Inertial Aural Warning Logic Unit
IAWTC- Integrated Air Warfare Training Center
IB- Interconnecting Box
IBM- International Business Machines
IC- Indenture Code; Interchangeability Code; Integrated Circuit; Interior Communications
I&C- Installation and Checkout
ICA- Independent Cost Analysis
ICAD- Interchangeability Demonstration; Integrated Computer Aided Design
ICAE- Integrated Computer Aided Engineering
ICAF- Industrial College of the Armed Forces
ICAO- International Civil Aviation Organization
ICAP- Interactive Computer Aided Provisioning
ICAM- Integrated Computer Aided Manufacturing
ICASE- Integrated Computer Aided Sustaining Engineering
ICBM- Intercontinental Ballistic Missile
ICC- Interstate Commerce Commission; Intermediate Operational Capability; Item Category Code
ICD- Interface Control Document; Interconnecting Control Device; Installation Control Drawing
ICE- Independent Cost Estimate
ICM- Interactive Configuration Management
ICNIA- Integrated Communications Navigation Identification Avionics
ICP- Inventory Control Point; Instrument Calibration Procedure
ICPI- Interim Change Report
ICRL- Individual Component Repair List
ICS- Information Consolidation Service/Subsystem; Interim Contractor Support; Intercommunication System
ICSS- Interim Contractor Supply Support
ICTP- Individual and Collective Training Plan
ICW- In Compliance With
ICWG- Interface Control Working Group
ID- Interconnective/ing Device (VAST); Identification; Interface Device; Inner Diameter
IDA- Institute for Defense Analysis
IDAS- Integrated Design Automation System
IDC- Information Design Change
IDD- Interface Design Document
IDEF- Integrated Computer Aided Manufacturing Definition
IDENT- Identification
IDF- Industrial Demand Forecasting; Israel Defense Forces
IDG- Integrated Drive Generator
IDIP- Intelligence Data Information Package
IDL- Indented Drawing List
IDLH- Immediately Dangerous to Life or Health
IDP- Integrated Data Processing
IDS- Interface Design Specification; Intelligence Data System; Ice Detection System
IDSS- Integrated Design Support System (AF), Integrated Diagnostics Support System
IDTS- Instrumentation Data Transmission System
IE- Information Engineering
IEC- Interstate Electronics Corporation; International Electrotechnical Commission
IEE- Integrated Expendable Emitter
IEEE- Institute of Electrical and Electronics Engineers
IEG- Information Exchange Group
IEM- Inactive Equipment Maintenance
IERW- Initial Entry Rotary-Wing
IES- Illuminating Engineering Society of North America
IF- Industrial Fund; Intermediate Frequency; Initial Fix
IFALPA- International Federation of Airline Pilots Association
IFARS- Individual Flight Activity Reporting System
IFAST- Integrated Facility for Avionic System Testing
IFB- Invitation For Bid
IFBAM- Inadvertent Firing Brake Actuator Module
IFDAPS- Integrated Flight Data Processing System
IFEI - Integrated Fuel/Engine Indicator
IFF/SIF- Identification Friend or Foe
IFI- Intermediate Fleet Issue
IFL- In-Flight Lock
IFOG- Interferometric Fiber Optic Gyro
IFOR- Implementation Force
IFPS- Integrated Initial Flightplan Processing System
IFR- In-Flight Refueling; Instrument Flight Rules
IFT- In-Flight Training
IFTE- Intermediate Forward Test Equipment; Integrated Family of Test Equipment (Army)
IFV- Infantry Fighting Vehicle
IG- Issue Group; Inspector General; Imperial Gallon (4,54 Liter)
IGES- Initial Graphics Exchange Specification
IGPS- Intelligent Gateway Processing System
IGS- Integrated Graphics Software
IGV- Inlet Guide Vane
IH- Indian Head
IHAS- Integrated Helicopter Avionics System
IHE- Intensive High Explosives
IIAF- Imperial Iranian Air Force
IIAFSD- Imperial Iranian Air Force Support Date
IIC- Item Identification Code
IIP- Instantaneous Impact Prediction/Point
IIR- Imaging Infrared
IISS- Integrated Information Support System (AF)
IL- Index List
I&L- Installation and Logistics
ILD- Item Logistics Data
ILDMT- Integrated Logistics Management Program
ILDR- Item Logistics Data Record
I-LEVEL- Intermediate Level
"I" Level- Intermediate Level Maintenance
ILF- Initial Load Format
ILFCA- Intermediate Level Field Calibration Activity
ILM- Intermediate Level Maintenance
IMER- Improved Multiple Ejector Rack
ILO- Interservice Liaison Office; Integrated Logistics Overhaul
ILPGSE- Intermediate Level Peculiar Ground Support Equipment
ILR- Integrated Logistics Review
ILS- Integrated Logistics Support; Instrument Landing System
ILSCR- Integrated Logistics Support Contract Requirements
ILSDS- ILS Development Schedule; ILS Critical Path Network; ILS Detailed Specification
ILSG- Interim Logistics Support Guide
ILSIM- ILS Impact Module
ILSM- ILS Management
ILSMIS- Industrial Logistics Support Management Information System
ILSMP- ILS Management Plan
ILSMRT- ILS Management Review Team
ILSMT- ILS Management Team
ILSN- ILS Network
ILSO- ILS Organization
ILSP- ILS Plan/Program/Procedures
ILSR- ILS Review
ILSRRF- ILS Resource Requirements Format
ILSS- ILS System
ILSSR- ILS Storeroom
ILSWG- ILS Working Group
ILV- Improved Low Visibility
IM- Inventory Manager; Item Manager; Insensitive Munitions; Inspection and Maintenance
I&M- Improvement and Modernization; Installation and Maintenance
IMA- Intermediate Maintenance Activity; Integrated Modular Avionics
IMAGE- Intermediate Maintenance Activity Generic Evaluation
IMAV- Intermediate Maintenance Availability
IMC- Item Management Coding; Initial Management Cost; Instrument Meteorological Condition
IMCR- Interim Manual Change Release
IMINT- Imagery Intelligence
IMIP- Industrial Modernization Incentive Program
IMIS- Integrated Maintenance Information System (AF)
IMM- Intermediate Maintenance Manual; Integrated Material Management; Immediate
IMMH- Indirect Maintenance Man-Hours
IMMP- Intermediate Maintenance Management Program
IMMT- Integrated Maintenance Management Team
IMO- International Maritime Organization
IMU- Inertial Measurement Unit
IMP- Improved Maintenance Program
IMRL- Individual Material Readiness List
IMSD- Inventory Management and Systems Division
IMT- Integrated Maintenance Training
IMV- Instrumented Measurement Vehicle
IN- Inches NWS Intermediate (Maintenance Level)
INAS- Industrial Naval Air Station
INB- Inboard
INC- Incorporated; Item Name Code
INCHOP- INCHOP (Briefing Liaison)
INCO- Installation Check-out
IND- Indicator
INEWS- Integrated Electronic Warfare System
INF- Intermediate-Range Nuclear Forces
INFO- Information
INIT- Initialize
INS- Inertial Navigation System
INST- Instruction
INT- Interim; Intermediate
INTCP- Intercept
INTRPT- Interrupt
INU- Inertial Navigation Unit
INV- Inventory
I/O- Input/Output
IOC- Initial Operating Capability
IOIC- Integrated Operational Intelligence Center
IOIS- Integrated Operational Intelligence System
IOL- Initial Outfitting List
IOP- Initial Operational Capability; Input/Output Processor
IOS- Integrated Ordnance Section
IOT- Interim Operating Time
IOT&E- Initial Operational Test & Evaluation
IP- Item Processed; Initial Point; Instrumentation Plan; Identification Point
IPAC- Intelligence Center Pacific
IPAL- Interim Publications Applicability List
IPB- Illustrated Parts Breakdown
IPBM- Illustrated Parts Breakdown Manual
IPC- Illustrated Parts Catalog; Integrated Printed Circuit
IPD- Issue Priority Designator; Inter-Participant Distance
IPDSMS- Improved Point Defense Surface Missile System
IPE- Industrial Plant Equipment; Improved Performance Engine
IPG/ALM- Industrial Processing Guide for Air Launched Missiles
IPM- Inventory Projection Model
IPPS- Interrogation Pulse Position Code
IPR- In-Progress Review; Interdepartmental Purchase Request; Integrated Pretest Review; In-Process Review
IPS- In-Plant Support; Integrated Program Summaries; Integrated Procurement System (Army); Information Processing System, Industrial Performance Summary; Integrated Program Summary
IPSC- Information Processing Standards for Computers
IRS- Inertial Reference System
IQL- Indifference Quality Level
IR- Infrared; Inspection Report; Installation Restoration; (IR) Iranian
IRAC- Interim Rapid Action Change
IRAM- Improved Repairable Asset Management
IRAN- Inspect(ion) and Repair(s) is (are) Necessary
IRBM- Intermediate-Range Ballistic Missile
IRCM- Infrared Countermeasures
IR&D- Independent Research & Development
IRDS- Information Resource Dictionary System
IRH - Infrared Homing
IRIG- Inter-Range Instrumentation Group
IRIL- Issue Receipt Inventory Location
IRIM- Intensive Repairable Item Management
IRIS- Infrared Instrumentation System
IRL- Instrumented Rail Launcher
IRML- Individual Material Readiness List
IRN- Interface Revision Notice
IROAN- Inspect and Repair Only as Necessary
IRP- Installation Restoration Program
IRPL- Interim Recommended Parts List
IRR- Improved Re-Arming Rate; Inspection Rejection Report
IRRP- Improved Re-Arming Rate Program
IRRP/IWHS- Improved Re-Arming Rate Program/Improved Weapons Handling System
IRS- Interface Requirements Specification; Inertial Reference System
IRST - Infrared Search and Track
IRTS- Infrared Target Simulator
IR/TV- Infrared/Television
IRU- Inertial Reference Unit; Inspection Rejection Report; Internal Reference Unit
IS- Information System; Instrumentation Systemi Integrated System
I&S- Interchangeability and Substitutability
ISA- Inertial Sensor Assembly; International Standard Atmosphere
ISB- Intersystem Bus
ISAR- Information Storage and Retrieval
ISC- Item Selection Conference
ISD- Instructional System Development; Initial Search Depth of a torpedo; In Service Data Aquisition System
ISDB- Integrated Support Data Base
ISDN- Integrated Services Digital Network
ISDU- Inertial System Display Unit
ISE- In-Service Engineering
ISEA- In-Service Engineering Agent
ISEB- Interim Support Equipment Bulletin
ISEC- Interim Support Equipment Change
ISF- Integrated Support Facility
ISG- CALS/Industry Steering Group
ISIL- Interim Support Item List
ISITE- Integrated Self-Instructive Test Equipment
ISL- Initial/Integrated Stock List
ISM- Igniter Safety Mechanism; Industrial Security Manual
ISMIS- Interservice (Depot) Maintenance Interrogation System
ISMO- Integrated Systems Management Office
ISNAC- Inactive in Navy Custody
ISO- International Organization for Standardization
ISOL- Isolation
ISP- Integrated Support Plan; In-Service Repair
ISPPS- Item Support Plan Policy Statement
ISPS- Item Support Policy Statement
ISR- Interchangeable/Substitute Record; In-Service Repair
ISS- Interservice Supply Source
ISSA- Interservice Supply Support Statement/Agreement
ISSB- Information Systems Standards Board
ISSL- Initial Spares Support List
ISSP- Interservice Supply Source Program
ISSPP- Integrated System Safety Program Plan
ISSUE- The transfer of an item, regardless of material condition to another activity.
I&T- Integration and Testing
ITA- International Telegraph Alphabet; Interface Test Adaptor
ITAS- Improved Target Acquisition System
ITAWDS- Integrated Tactical Amphibious Warfare Data System
ITCS- Integrated Target and Control System
ITD- Interim Technical Directives
ITDR- Inspection Test Discrepancy Report
ITDS- Improved Technical Data System (AF)
ITEMP- Integrated Test and Evaluation Management Plan
ITEMS- Integrated Test and Maintenance System
ITG- Initial Terminal Guidance
ITL- Intent to Launch
ITP- In-process Test Procedure
ITSS- Individual Training Standards System
ITT- International Telephone and Telegraph
IUSS- Integrated Underseas Surveillance System
IUWG- Inshore Undersea Warfare Group
IV- Initial Vector
IVSI- Instantaneous Vertical Speed Indicator
IV&V- Independent Verification and Validation
IW- Intermediate Naval Weapons Station
IWA- Internal Work Agreement
IWC- Integrated Weapons Complex
IWHS- Improved Weapon Handling System
IWPP- Industrial waste pretreatment process
IWS- Individual Work Station
IWSB- Integrated Weapon System Data Base
IWSDR- Integrated Weapon System Data Base
IWSR- Integrated Weapons System Review

Abbreviations related to military aviation

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Abbreviations related to
military aviation