Unanticipated Right Yaw in Helicopters
FAA Advisory Circular AC 90-95 — Unanticipated Right Yaw in Helicopters. Guidance on air traffic procedures, airspace, and navigation.
About this document
AC 90-95, Unanticipated Right Yaw in Helicopters, is an FAA advisory circular providing guidance related to air traffic procedures, airspace, and navigation. Advisory circulars are the FAA's non-regulatory method of explaining how to comply with the regulations and describing acceptable means, methods, and practices; they are not themselves binding but are widely relied upon in training and operations.
This document sets out the FAA's recommended approach to the subject of unanticipated right yaw in helicopters. Read it alongside the applicable sections of 14 CFR, which state the binding requirements.
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Take a free practice test →AC-90-95 is an official FAA publication in the public domain. We host a copy so you can read it in-browser; always confirm you are reading the current edition on faa.gov. The description above is an original summary and is a study aid, not a substitute for the document or the regulations.