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R22 pilot completed a successful autorotation after hearing a loud noise in-flight accompanied by right yaw. Right cowl door found open.
| Attributes | |
| ACN | 1136031 |
| Time | |
| Date | 201312 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Robinson R22 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | None |
| Component | |
| Aircraft Component | Door |
| Person 1 | |
| Function | Instructor |
| Qualification | Flight Crew Instrument Flight Crew Flight Instructor Flight Crew Commercial |
| Experience | Flight Crew Last 90 Days 99 Flight Crew Total 1042 Flight Crew Type 621 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
[In] cruise flight [I] heard loud metal against metal noise. Felt some vibrations in the ship and a yaw/roll to the right. Lowered collective; rolled off throttle; followed through with yaw to the right to clear a ridge. Contacted tower stating I might have an emergency. Performed an auto[rotation] with power recovery in the desert area nowhere near roads; houses; or persons. Contacted tower and advised we were on the ground. Helicopter was ok and both occupants alright. Tower asked if medical support was needed and I advised everyone was fine. Shut down; exited and started a walk-around. Noticed cowl door [on the] right side open. Performed preflight and flew back to the airport.
Original NASA ASRS Text
Title: R22 pilot completed a successful autorotation after hearing a loud noise in-flight accompanied by right yaw. Right cowl door found open.
Narrative: [In] cruise flight [I] heard loud metal against metal noise. Felt some vibrations in the ship and a yaw/roll to the right. Lowered collective; rolled off throttle; followed through with yaw to the right to clear a ridge. Contacted Tower stating I might have an emergency. Performed an auto[rotation] with power recovery in the desert area nowhere near roads; houses; or persons. Contacted Tower and advised we were on the ground. Helicopter was OK and both occupants alright. Tower asked if medical support was needed and I advised everyone was fine. Shut down; exited and started a walk-around. Noticed cowl door [on the] right side open. Performed preflight and flew back to the airport.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.