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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
91-66 Noise Abatement for Helicopters

Presents guidelines intended to assist pilots, operators, managers, and other interested persons in the establishment of effective noise reduction procedures when operating helicopters.

Active AFS-840 1987-06-04
61-67C Stall and Spin Awareness Training with Change 1 & 2

This advisory circular (AC) explains the stall and spin awareness training required under Title 14 of the Code of Federal Regulations (14 CFR) part 61 and offers guidance to flight instructors who provide that training.

Active AFS-840 2000-09-25