# Accident 19930923036229A: Robsin R22BETA, Livermore, CA, September 23, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 23, 1993, 15:10 local time
- Place: Livermore, CA
- Airport: Livermore Municipal Airport
- Damage: Substantial damage
- Phase of flight: Autorot Descent (Rotorcraft)
- Operating rules: General operating rules (Part 91)
- Location: 37.6794° N, 121.7491° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=37.6794&lon=-121.7491&mi=10
- Aircraft: N2407X, a cancelled registration (https://openairdocs.org/deregistered/N2407X-1994-08-25) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- Reported engine: LYC O320B2C
- Fatal injuries: 0
- Pilot flight hours: 2,160 total, 94 in the last 90 days
- NTSB investigation: [NTSB LAX93LA367](https://openairdocs.org/ntsb/LAX93LA367) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930923036229A

## Narrative

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

LANDING FROM HOVER ENGINE LOST POWER. ATTEMPT DIVERT TO RUN LANDING. LANDED HARD. COLLAPSED SKIDS. PRIMER UNLOCKED.

## 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 LAX93LA367](https://openairdocs.org/ntsb/LAX93LA367), Sep 23, 1993: Robinson R-22 Beta (N2407X), Livermore, CA, substantial damage. Probable cause: A partial engine power loss that resulted in a hard landing due to the engine primer system becoming unlocked.

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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