Aviation Dictionary

Common definitions and acronyms that you may encounter during flying training.

List of aviation related definitions

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ICAO -  International Civil Aviation Organisation
Incident -  An occurrence other than an accident, associated with the operation of an aircraft which could affect the safety of operation
Inner Ear - 
Has two divisions: one for hearing (consists of the cochlea), the other for balance (vestibular system)
Internal Respiration -  Gas exchange between the blood and body cells
IR -  Instrument Rating
Iris -  Regulates the amount of light entering the eye
ISA -  International Standard Atmosphere