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AC 91-66 - Noise Abatement for Helicopters

Document Information

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91-66 - Noise Abatement for Helicopters

Date Issued
June 04, 1987
Responsible Office
AFS-840
Description
Presents guidelines intended to assist pilots, operators, managers, and other interested persons in the establishment of effective noise reduction procedures when operating helicopters.

This page was originally published at: https://www.faa.gov/regulations_policies/advisory_circulars/index.cfm/go/document.information/documentID/22434