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(See AIR TRAFFIC CONTROL SYSTEM COMMAND CENTER.)

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(See TOWER.)

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(See ALONG-TRACK DISTANCE.)

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(See AUTOMATIC TERMINAL INFORMATION SERVICE.)

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(See ICAO Term AUTOMATIC TERMINAL INFORMATION SERVICE.)

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(See AIR TRAFFIC ORGANIZATION.)

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(See AUTOMATED TERMINAL PROXIMITY ALERT.)

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Note: The term "ATS Route" is used to mean variously, airway, advisory route, controlled or uncontrolled route,
arrival or departure, etc.

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(See EMERGENCY DESCENT MODE.)

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(See FAA Order JO 7110.65, Para 10-6-4, INFLIGHT CONTINGENCIES.)

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(See EN ROUTE DECISION SUPPORT TOOL.)

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