# NTSB Accident WPR21FA283
> **SIAI-MARCHETTI SM-1019B** · 2021-07-24 · Lewiston, ID, USA · FATL
## Event
- **NTSB number:** WPR21FA283
- **Event ID:** 20210725103534
- **Type:** Accident
- **Date:** 2021-07-24
- **Location:** Lewiston, ID, USA
- **Coordinates:** 46.376415, -117.01176
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** SIAI-MARCHETTI
- **Model:** SM-1019B
- **Registration:** N28U
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to remove the flight control lock before departure, which resulted in a loss of airplane control and impact with terrain. Contributing to the accident was his failure to perform an adequate preflight inspection and flight control check before takeoff.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR21FA283) · AI Analytics · CC0 1.0*