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Airspace
Defined areas of the atmosphere designated by the FAA with specific rules and requirements for aircraft operations. U.S. airspace is classified into Classes A, B, C, D, E, and G, each with different visibility, cloud clearance, and communication requirements.
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- Airspeed IndicatorA flight instrument that displays the aircraft's speed through the air, typically in knots. It works by measuring the difference between pitot (ram air) pressure and static pressure. The indicator features colored arcs showing operating speed ranges.
- AME (Aviation Medical Examiner)A physician designated by the FAA to perform medical examinations for pilot certificates. AMEs evaluate vision, hearing, cardiovascular health, and general fitness to determine if applicants meet medical standards.
- 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.
- 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.