Wind blowing in the same direction as the aircraft is moving.
A device fitted to an aircraft engine to help slow the aircraft down on landing by reversing the flow of the engine exhaust.
The force which moves an aircraft through the air.
An electronic device that produces a response when it receives a radio-frequency interrogation.
A concise statement of the expected meteorological conditions at an airport during a specified period.
The speed of an aircraft relative to the air mass in which it is flying.
An aircraft collision avoidance system designed to reduce the incidence of mid-air collisions.
A type of NOTAM that defines an area restricted to air travel due to a hazardous condition, a special event, or a general warning for the entire FAA airspace.
A minimum performance standard for specified materials, parts, and appliances used on civil aircraft.