# Accident 19811111072959A: Robsin R22, Livermore, CA, November 11, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 11, 1981, 15:23 local time
- Place: Livermore, CA
- Airport: Municipal
- Damage: Destroyed
- Phase of flight: Sfl Autorotation
- Operating rules: Pilot school (Part 141)
- Location: 37.6870° N, 121.7598° W: Placed by OpenAirDocs: center of Livermore, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6870&lon=-121.7598&mi=10
- Aircraft: N9073Q, a cancelled registration (https://openairdocs.org/deregistered/N9073Q-2011-04-27) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 (registry code 7640102, https://openairdocs.org/model/robinson-helicopter-r22) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22
- Reported engine: LYC O320B2C
- Fatal injuries: 0
- Pilot flight hours: 12,200 total, 750 in this make and model, 25 in the last 90 days
- NTSB investigation: [NTSB LAX82FA012](https://openairdocs.org/ntsb/LAX82FA012) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19811111072959A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

DEMONSTRATING AUTOROTATION TO NEW STUDENT. ALLOWED RPM DECAY, BLADE DROOP CAUSED MAIN ROTOR TAIL BOOM STRIKE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX82FA012](https://openairdocs.org/ntsb/LAX82FA012), Nov 11, 1981: Robinson R22 (N9073Q), Livermore, CA, destroyed, 2 fatal

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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