# NTSB Accident SEA92LA151
> **BERKSHIRE MFG. CONCEPT 70** · 1992-07-12 · EPHRATA, WA, USA · NONE
## Event
- **NTSB number:** SEA92LA151
- **Event ID:** 20001211X15254
- **Type:** Accident
- **Date:** 1992-07-12
- **Location:** EPHRATA, WA, USA
- **Coordinates:** 47.26902, -119.589103
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** BERKSHIRE MFG.
- **Model:** CONCEPT 70
- **Registration:** N382W
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

INADEQUATE IN-FLIGHT PLANNING/DECISION. FACTORS TO THE ACCIDENT WERE: NO THERMAL LIFT AND ROUGH/UNEVEN TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA92LA151) · AI Analytics · CC0 1.0*