# NTSB Accident LAX93LA367
> **ROBINSON R-22 BETA** · 1993-09-23 · LIVERMORE, CA, USA · MINR
## Event
- **NTSB number:** LAX93LA367
- **Event ID:** 20001211X13441
- **Type:** Accident
- **Date:** 1993-09-23
- **Location:** LIVERMORE, CA, USA
- **Coordinates:** 37.679389, -121.749107
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R-22 BETA
- **Registration:** N2407X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A partial engine power loss that resulted in a hard landing due to the engine primer system becoming unlocked.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX93LA367) · AI Analytics · CC0 1.0*