# NTSB Accident SEA90LA082
> **ROBERT VAN SCOYOC SONERIA IIL** · 1990-05-21 · ELLENSBURG, WA, USA · NONE
## Event
- **NTSB number:** SEA90LA082
- **Event ID:** 20001212X23287
- **Type:** Accident
- **Date:** 1990-05-21
- **Location:** ELLENSBURG, WA, USA
- **Coordinates:** 46.969047, -120.47071
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBERT VAN SCOYOC
- **Model:** SONERIA IIL
- **Registration:** N3229Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE LOSS OF ENGINE POWER DUE TO CARBURETOR ICING, CAUSED BY THE PILOT'S FAILURE TO APPLY CARBURETOR HEAT. FACTORS IN THE ACCIDENT WERE THE CARBURETOR ICING WEATHER CONDITIONS AND THE LACK OF SUITABLE TERRAIN FOR FORCED LANDING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA90LA082) · AI Analytics · CC0 1.0*