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AMT (Aviation Maintenance Technician)
A certified technician authorized to inspect, repair, and maintain aircraft. AMTs hold Airframe and/or Powerplant (A&P) certificates issued by the FAA after completing approved training and passing written, oral, and practical exams.
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Learn more in Part 147 Maintenance →Related Terms
- Angle of Attack (AOA)The angle between the chord line of an airfoil (wing) and the relative wind. As angle of attack increases, lift increases up to the critical angle of attack, beyond which the wing stalls regardless of airspeed or attitude.
- Annual InspectionA thorough aircraft inspection required at least once every 12 calendar months under 14 CFR 91.409(a). No person may operate an aircraft unless it has had an annual inspection within the preceding 12 calendar months. An annual also satisfies the 100-hour inspection requirement when applicable.
- ARROWA student-pilot mnemonic for the documents that must be aboard an aircraft: Airworthiness certificate, Registration certificate, Radio station license (when required for international operations), Operating limitations (POH/AFM), and Weight and balance data. ARROW pairs with AV1ATE, which covers required inspections.
- ASOS (Automated Surface Observing System)An automated weather observing system that continuously reports surface weather at many airports, including wind, visibility, sky condition, temperature, dew point, and altimeter setting. ASOS observations often feed METARs and may be available by frequency or telephone when ATIS is not.