SPILVE.LV • Aviation abbreviations - I

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Charts of Latvia

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Aviation abbreviations

I
IA — Inspection authorisation IAC — Instrument approach chart IAF — Initial approach fix IAL — Instrument approach and landing chart IAO — In and out of clouds IAOA — Indicated angle of attack IAP — Instrument approach plate IAR — Intersection of air routes IAS — Indicated airspeed IATA — International Air Transport Association IAW — In accordance with IAWP — Initial approach waypoint IBN — Identification beacon IC — Ice crystals ICA — Instructions for continuing airworthiness ICAAS — Integrated control in avionics for air superiority ICAO — International Civil Aviation Organization ICE — Ice, icing ICUS — In-command under supervision ID — Identify, identifier IDENT — Identification IEPR — Integrated engine pressure ratio IF — Instrument flight IF — Intermediate approach fix IF — Intermediate frequency IFF — Identification friend/Foe IFR — Instrument flight rules IFRB — International Frequency Registration Board IFSD — In-flight shutdown IG — Implementation group IGA — International general aviation IGFET — Insulated gate field effect transistor ILS — Instrument landing system IM — Inner marker IMC — Indirect maintenance cost IMC — Instrument meteorological conditions IMG — Immigration IMI — Interrogation sign IMPR — Improve, improving, improvement IMT — Immediate, immediately INA — Initial approach	INBD — Inbound INC — In cloud INCERFA — Uncertainty phase INFO — Information INIT — Initialization INOP — Inoperative INP — If not possible INPR — In progress INR — Image navigation and tegistration INS — Inertial navigation system INSTL — Install, installed, installation INSTR — Instrument INT — Intersection INTC — Intercept INTER — Intermittent, intermittently INTL — International INTRG — Interrogator INTRP — Interrupt, interrupted, interruption INTSF — Intensify, intensifying INTST — Intensity IOA — Instrument of appointment IOC — Indirect operating cost IOE — Initial operational experience IPC — Illustrated parts catalogue IPT — Integrated product team IR — Ice on runway IREX — Instrument training examination IRM — Immediately reportable matters IRS — Inertial reference system IRS — Internal reporting system IRU — Inertial reference unit ISA — International standard atmosphere ISB — Independent sideband ISIM — Integrated safety investigation methodology ISO — International Standards Organization ISOL — Isolated ITT — Interstage turbine temperature ITU — International Telecommunications Union IWI — Illuminated wind indicator IWP — Intermediate waypoint

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