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FAA advisory circulars containing subject matter specifically related to Airspace are issued under which subject number?

A

60.

B

70.✓ Correct Answer

C

90.

Explanation

FAA advisory circulars are numbered by subject to match the subchapters of 14 CFR: 60 for airmen, 70 for airspace, and 90 for air traffic and general operating rules. Airspace ACs therefore carry the subject number 70 (for example, the 70-series airspace circulars).

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