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FAA advisory circulars containing subject matter specifically related to Air Traffic Control and General Operations are issued under which subject number?

A

60.

B

70.

C

90.✓ Correct Answer

Explanation

Advisory circular subject numbers follow the 14 CFR subchapters: 60 for airmen, 70 for airspace, and 90 for air traffic and general operating rules (the subject matter of Part 91). ATC and general operations ACs, such as AC 90-66 on nontowered airport operations, therefore carry the number 90.

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