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FAASTeam Notice
Type: General Information
Notice Date: Tuesday, June 24, 2025
Notice Number: NOTC4480
Recognize the Early Signs of an Undesired Aircraft State
This posting will be removed on
Friday, July 25, 2025

Take immediate and decisive action if you detect the warning signs of an unexpected, uncomfortable, or uncommanded change in your aircraft to avoid loss of control. When a helicopter unintentionally departs from controlled flight, this can escalate into dangerous situations like unanticipated yaw, vortex ring state, or a low-G condition.

Watch this video to learn how to recognize and recover from an undesired aircraft state: https://bit.ly/ushst025

FAA Special Programs Section (AFS-830)
Email: safetybriefing@faa.gov
Phone: 202-267-1100