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United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

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Number, title, description, or office

Advisory Circulars (ACs) search results
Number Title Status Office Date
99-1C Security Control of Air Traffic

Provides direction for the security control of civil and military air traffic during an air defense emergency.

Cancelled ATP-140 1989-04-20
99-1D Plan for the Emergency Security Control of Air Traffic (ESCAT)

Provides direction for the security control of civil and military air traffic during an air defense emergency.

Cancelled AJR-2 2007-01-18