# Accident 19920930039319A: Robsin R22, Martinez, CA, September 30, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 30, 1992, 14:45 local time
- Place: Martinez, CA
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Operator: HIAV
- Location: 37.9797° N, 122.1506° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.9797&lon=-122.1506&mi=10
- Aircraft: N8069X, a cancelled registration (https://openairdocs.org/deregistered/N8069X-1992-10-27) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Reported make and model: ROBSIN R22
- Reported engine: LYC O320B2C
- People aboard: 2
- Fatal injuries: 2
- NTSB investigation: [NTSB LAX92FA410](https://openairdocs.org/ntsb/LAX92FA410) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920930039319A

## Narrative

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

CFI AND PROSPECTIVE STUDENT FOR SHORT DEMO. WITNESS HEARD NOISES. ENGINE QUIT. ROTORS FLEXED. HIT BUBBLE. R22 FELL.

## 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 LAX92FA410](https://openairdocs.org/ntsb/LAX92FA410), Sep 30, 1992: Robinson R22-B (N8069X), Martinez, CA, destroyed, 2 fatal. Probable cause: AN UNDETERMINED DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION WHICH RESULTED IN ROTOR CONTACT TO THE FUSELAGE AND PASSENGER.

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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