Aircraft taXIIng and takeoff

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Taxiing

Modern airplanes become heavier and faster. They need more complex and longer runways. Airports are rapidly developing and swallow up more and more precious land.

Taxiing is the controlled movement of the airplane under its own power while on the ground.

An awareness of other aircraft which are taking off, landing, or taxiing, and consideration for the right of way of others is essential to safety.

Taxiing instructions issued by a controller will always contain a clearance limit, which is the point at which the aircraft must stop until further permission to proceed is given. For departing aircraft the clearance limit will normally be the holding position of the runway in use, but it may be any other position on the aerodrome depending on prevailing traffic circumstances. When intersection departures are used, the appropriate holding positions shall be clearly identified by ATC. When a taxi clearance contains a taxi limit beyond a runway, it shall contain an explicit clearance to cross that runway, or an instruction to hold short, even if the runway is not in use.

Communication with any aircraft using the runway for the purpose of taxiing, should be transferred from the ground controller to the aerodrome controller prior to the aircraft entering / crossing a runway.

It is strongly advised, when practicable, to use standard taxi routes.

For more complicated taxi instructions, it may be appropriate to divide the message into segments, placing the clearances and instructions in sequential order, to avoid the possibility of pilot misunderstanding.