National Aviation Academy :: Aviation Dictionary

Aviation Dictionary

The dictionary posted here is a tool for our visitors to better understand some of the terms used in Aviation and Aircraft Maintenance. This dictionary will continue to grow over time and will be integrated throughout our website for better usability and convenience.

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Definition of Flight path angle (FPA)

Angle in vertical plane of earthspeed vector and groundspeed vector (usual definition), earth-referenced flight path angle; angle in vertical plane of airspeed vector and groundspeed vector (occasional definition), air-mass flight path angle; Symbols: gamma; Typical Units: rad, deg;