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

Uninterruptible power supply (UPS)

Aviation; Air traffic control

In ATS operations, a power system that is not subjected to any interruption when a break occurs in the normal power supply. Note: A UPS is required for precision approach CAT II and precision ...

An approach wherein an aircraft on an IFR flight plan (FP), operating in visual meteorological conditions (VMC) under the control of ATC and having ATC authorization, may proceed to the airport of ...

Ultralight aeroplane

Aviation; Air traffic control

(a) A single-seat aeroplane that has a launch weight of 165 kg (363.8 lb) or less, and a wing area, expressed in square metres, of not less than the launch weight minus 15, divided by 10, and in no ...

Wind shear (WS)

Aviation; Air traffic control

A change in wind speed and/or wind direction in a short distance. It can exist in a horizontal or vertical direction and occasionally in both.

Universal communications (UNICOM)

Aviation; Air traffic control

An air-ground communication facility operated by a private agency to provide private advisory station (PAS) service at uncontrolled aerodromes and airports with no ATS air-ground communication ...

Visual meteorological conditions (VMC)

Aviation; Air traffic control

(1) Canada: Meteorological conditions, expressed in terms of visibility and distance from cloud, equal to or greater than the minima specified in CAR 602. (2) ICAO and U.S.: Meteorological ...