# NTSB Accident SEA92LA089
> **PILATUS B-4 PC 11A** · 1992-05-03 · WENATCHEE, WA, USA · FATL
## Event
- **NTSB number:** SEA92LA089
- **Event ID:** 20001211X14723
- **Type:** Accident
- **Date:** 1992-05-03
- **Location:** WENATCHEE, WA, USA
- **Coordinates:** 47.3703, -120.349166
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PILATUS
- **Model:** B-4 PC 11A
- **Registration:** N279AS
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE BY THE PILOT TO MAINTAIN AIRSPEED, RESULTING IN AIRCRAFT STALL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA92LA089) · AI Analytics · CC0 1.0*