Plane Sense

Plane Sense
FAA
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Aviation Weather

Aviation Weather
FAA/NOAA
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Aviation Weather Services

Aviation Weather Services
FAA/NOAA
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Today's Aeronautical Terms

ATC

Air Traffic Control
[Source: Pilot/Controller Glossary]

NRS

National Reference System
[Source: Instrument Procedures Handbook]

Ground Effect

A condition of improved performance encountered when an airplane is operating very close to the ground. When an airplane’s wing is under the influence of ground effect, there is a reduction in upwash, downwash, and wingtip vortices. As a result of the reduced wingtip vortices, induced drag is reduced.
[Source: Airplane Flying Handbook]

Aeronautical Chart [ICAO]

A representation of a portion of the earth, its culture and relief, specifically designated to meet the requirements of air navigation.
[Source: Pilot/Controller Glossary]

Catch Point

A fix/waypoint that serves as a transition point from the high altitude waypoint navigation structure to an arrival procedure (STAR) or the low altitude ground-based navigation structure.
[Source: Pilot/Controller Glossary]