# NTSB Accident LAX05CA188
> **Robinson R-22 Beta II** · 2005-05-25 · Jean, NV, USA · NONE
## Event
- **NTSB number:** LAX05CA188
- **Event ID:** 20050616X00792
- **Type:** Accident
- **Date:** 2005-05-25
- **Location:** Jean, NV, USA
- **Coordinates:** 35.768333, -115.329444
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R-22 Beta II
- **Registration:** N192SH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the student's failure to maintain adequate main rotor rpm when performing a180-degree autorotation, and the instructor's inadequate supervision and delayed remedial action.  A factor in the accident was the high density altitude.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX05CA188) · AI Analytics · CC0 1.0*