# NTSB Accident LAX90LA157
> **ROBINSON R22** · 1990-04-29 · MAMMOTH LAKES, CA, USA · MINR
## Event
- **NTSB number:** LAX90LA157
- **Event ID:** 20001212X22960
- **Type:** Accident
- **Date:** 1990-04-29
- **Location:** MAMMOTH LAKES, CA, USA
- **Coordinates:** 37.579673, -118.840011
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R22
- **Registration:** N8560M
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PILOT'S ENCOUNTER WITH A STRONG DOWNDRAFT WHILE CRUISING AT AN INADEQUATE ALTITUDE. A CONTRIBUTING FACTOR WAS THE HIGH ALTITUDE WHICH LIMITED AVAILABLE ENGINE POWER FOR RECOVERY.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90LA157) · AI Analytics · CC0 1.0*