# NTSB Accident LAX06CA001
> **Robinson Helicopter Company R22 Beta** · 2005-10-03 · Tucson, AZ, USA · MINR
## Event
- **NTSB number:** LAX06CA001
- **Event ID:** 20051114X01836
- **Type:** Accident
- **Date:** 2005-10-03
- **Location:** Tucson, AZ, USA
- **Coordinates:** 32.409442, -111.21833
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson Helicopter Company
- **Model:** R22 Beta
- **Registration:** N926SH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the student pilot's failure to maintain adequate airspeed and rotor rpm during a practice autorotation, and the instructor's failure to adequately monitor the maneuver, which resulted in a hard landing and roll over.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX06CA001) · AI Analytics · CC0 1.0*