# NTSB Accident LAX02FA088
> **Robinson R22 Beta** · 2002-02-21 · Glendora, CA, USA · NONE
## Event
- **NTSB number:** LAX02FA088
- **Event ID:** 20020227X00274
- **Type:** Accident
- **Date:** 2002-02-21
- **Location:** Glendora, CA, USA
- **Coordinates:** 34.172779, -117.851112
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 Beta
- **Registration:** N8045K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student's failure to maintain adequate main rotor rpm, and the flight instructor's inadequate supervision.  Contributing factors were the high helicopter gross weight and density altitude, and the descending mountainous terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX02FA088) · AI Analytics · CC0 1.0*