I: India
I-Level: Intermediate Level
i/c: In charge
I/C: Inspection/Check
I/O: Input/Output
I/O: Intelligence Officer
I/P: Intercept Point
I/P: Intercept Profile
IAA: International Aerospace Abstracts
IAAD: Inland Area Aircraft Depot
IAAS: Inland Area Aircraft School
IAE: International Aero Engine
IAF: Indian Air Force
IAF: initial approach fix
IAFVR: Indian Air Force Volunteer Reserve
IAG: IOSA Advisory Group
IAH: IOSA Auditor Handbook
IAN: Integrated Approach Navigation
IAP: Implementation Action Plan
IAP: Izvidacki Avijacijcki Puk
IAPF: Inland Area Practice Flight
IAPs: Instrument Approach Procedures
IAR: Immediate Adopted Rule
IAR: IOSA Audit Report
IARC: International Aerial Robotics Competition
IAS: Indicated Air Speed
IAS: indicated airspeed
IAS: Institute of Aeronautical Sciences
IAS: Integrated Avionics Subsystem
IASO: Investigation Administration Support Officer
IAT: Integrated Avionics Test
IAT: IOSA Auditor Training
IATA: International Air Transport Association
IAvMed: Institution of Aviation Medical
IAW: in accordance with
IC: ice crystals
IC: In-Cloud
ICA: Instruction for Continuous Airworthiness
ICAO: International Civil Aviation Organisation
ICAO: International Civil Aviation Organization