air traffic control clearance

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air traffic control clearance

Authorization by an air traffic control authority for an aircraft to proceed under specified conditions.
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FORT WORTH, Texas -- The Allied Pilots Association (APA), collective bargaining agent for the 13,000 pilots of American Airlines (NYSE:AMR), expressed its support today for the Federal Aviation Administration's upcoming change to an air traffic clearance called "taxi into position and hold" or TIPH.
All the flights were done in daylight and the two aircraft flew in loose formation throughout the entire journey allowing for easier air traffic clearances.
Controllers at air route centers such as the one in Palmdale give pilots instructions, air traffic clearances and advice regarding flight conditions, and they keep the planes flying at safe distances.

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