Airport

Airport

A station, usually consisting of buildings, airfields and runways, used to provide a place for aircraft to take off and land as well as to house commercial services for passengers and on-board staff.

Industry: Aviation

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Airport

PAN PAN

Aviation; Air traffic control

The international radiotelephony urgency signal. Preferably spoken three times, it indicates a condition that concerns the safety of an aircraft or another vehicle, or of some person on board or ...

The lowest altitude that may be used that will provide a minimum clearance of 1000 ft, under conditions of standard temperature and pressure, above all obstacles located in an area contained within a ...

Precision approach CAT I

Aviation; Air traffic control

Operation down to minima of 200 ft decision height (DH) and runway visual range (RVR) 2600 ft. (When RVR is not available, 0.5 SM ground visibility is substituted.) Note: Rotorcraft visibility ...

Structured airspace

Aviation; Air traffic control

Certain portions of domestic airspace that will be structured for one-way traffic during times of peak traffic. Flight levels (FL) that are inappropriate for the direction of flight may be assigned ...

Selective calling system (SELCAL)

Aviation; Air traffic control

A system that provides an automatic and selective method of calling any aircraft. Voice calling is replaced by the transmission of code tones to the aircraft over the international radiotelephony ...

Traffic alert and collision avoidance system (TCAS)

Aviation; Air traffic control

A type of airborne collision avoidance system (ACAS) based on a family of airborne equipment that functions independently of the ground-based ATC system to detect potential conflicting aircraft that ...