# NTSB Accident LAX91FA037
> **ROBINSON R22Beta** · 1990-11-24 · SIMI VALLEY, CA, USA · FATL
## Event
- **NTSB number:** LAX91FA037
- **Event ID:** 20001212X24624
- **Type:** Accident
- **Date:** 1990-11-24
- **Location:** SIMI VALLEY, CA, USA
- **Coordinates:** 34.299884, -118.720695
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON
- **Model:** R22Beta
- **Registration:** N80783
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON, WHICH RESULTED IN ROTOR CONTACT TO THE TAILBOOM AND COCKPIT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX91FA037) · AI Analytics · CC0 1.0*