# NTSB Accident LAX07CA247
> **Robinson R22 Beta** · 2007-08-10 · Chino, CA, USA · NONE
## Event
- **NTSB number:** LAX07CA247
- **Event ID:** 20070910X01357
- **Type:** Accident
- **Date:** 2007-08-10
- **Location:** Chino, CA, USA
- **Coordinates:** 33.974445, -117.63639
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 Beta
- **Registration:** N10QD
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The private pilot's failure to maintain the proper airspeed and main rotor rpm, which resulted in a high rate of descent and subsequent hard landing.  Also causal was the certificated flight instructor's delayed remedial action.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX07CA247) · AI Analytics · CC0 1.0*