Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Airport

severe icing

Aviation; Air traffic control

An atmospheric condition in which the rate of ice accumulation is such that de-icing or anti-icing equipment cannot reduce or control the hazard.

transferring unit

Aviation; Air traffic control

An ATC unit that is in the process of transferring the responsibility for providing ATC service to an aircraft to the next ATC unit along the route of flight.

obstacle clearance height (OCH)

Aviation; Air traffic control

The lowest height above the elevation of the relevant runway threshold or above the aerodrome elevation, as applicable, used in establishing compliance with appropriate obstacle ...

simultaneous intersecting runway operations (SIRO)

Aviation; Air traffic control

Canada: Former term for: Land and Hold Short Operations (LAHSO)

threshold crossing height (TCH)

Aviation; Air traffic control

The height of the glide path (GP) above the runway threshold.

terminal occupancy value (TOV)

Aviation; Air traffic control

The maximum number of arriving aircraft that the terminal airspace can accommodate while meeting the objectives of the metering program.

obstacle clearance limit (OCL)

Aviation; Air traffic control

The height above the aerodrome elevation below which the minimum prescribed vertical clearance cannot be maintained either on approach or in the event of a missed approach.