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HC |
harness connector |
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HCU |
hydraulic control unit |
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HDG |
heading |
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HIRF |
high intensity radiated field |
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HLCS |
high lift control system |
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HF |
high frequency |
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HMU |
hydrau-mechanical unit |
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HMS |
heat management system |
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HP |
high pressure |
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hPa |
hectopascals |
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HPA |
high power amplifier |
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HPC |
high pressure compressor |
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HPSOV |
high pressure shut-off valve |
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HPT |
high pressure turbine |
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HPV |
high pressure valve |
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HSI |
horizontal situation indicator |
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HUD |
head up display |
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HYD |
hydraulic |
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HYDIM |
hydraulic interface module |
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HX |
heat exchanger |
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Hz |
hertz |
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IAF |
initial approach fix |
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IAS |
indicated airspeed |
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IATA |
International Air Transport Association |
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IC |
intercabinet |
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ICAO |
International Civil Aviation Organization |
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IDG |
intergrated drive generator |
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IDS |
ice detection system |
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IFR |
instrument flight rules |
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IGN |
ignition |
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IGV |
inlet guide valve |
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IGW |
increased gross weight |
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ILS |
instrument landing system |
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INB |
inbound |
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ind |
indicator |
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INOP |
inoperative |
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INPH |
interphone |
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I/O |
inputs/outputs |
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IOM |
input/output module |
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IP |
intermediate pressure |
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IPC |
intermediate pressure compressor |
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IPC |
intermediate pressure check valve |
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IPT |
intermediate pressure turbine |
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IRP |
integrated refuel panel |
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IRS |
inertial reference system |
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IRU |
inertial reference unit |
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ISA |
International Standard Atmosphere |
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ISDU |
initial system display unit |
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ISLN |
isolation |
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ISO |
isolation |
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IV |
isolation valve |
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IVD |
interactive video downloader |
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KB |
keyboard |
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kg |
kilogram |
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km |
kilometer |
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kt |
knot |
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kVA |
kilovolt-ampere |
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