# NTSB Accident LAX89FA136
> **AEROSPATIALE AS-355-F** · 1989-03-26 · BEAR VALLEY, CA, USA · NONE
## Event
- **NTSB number:** LAX89FA136
- **Event ID:** 20001213X27910
- **Type:** Accident
- **Date:** 1989-03-26
- **Location:** BEAR VALLEY, CA, USA
- **Coordinates:** 37.959297, -120.870574
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** AS-355-F
- **Registration:** N84MH
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN A LOSS OF AIRCRAFT CONTROL DURING A SLOW SPEED, DOWNWIND APPROACH TO A HIGH ALTITUDE STOLPORT.  CONTRIBUTING FACTORS WERE:  HIGH DENSITY ALTITUDE, TAILWIND, IMPROPER WEATHER EVALUATION BY THE PILOT, SNOW COVERED TERRAIN, WHITEOUT CONDITIONS BEFORE TOUCHDOWN, AND THE SNOWBANK.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX89FA136) · AI Analytics · CC0 1.0*