# NTSB Accident SEA91FA223
> **AEROSPATIALE 350 B1** · 1991-08-29 · WALTON, OR, USA · FATL
## Event
- **NTSB number:** SEA91FA223
- **Event ID:** 20001212X17975
- **Type:** Accident
- **Date:** 1991-08-29
- **Location:** WALTON, OR, USA
- **Coordinates:** 44.019691, -123.620132
## Injuries
- **Highest injury:** FATL
- **Fatal:** 3
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** 350 B1
- **Registration:** N64SF
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO MAINTAIN CLEARANCE FROM TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91FA223) · AI Analytics · CC0 1.0*