# NTSB Accident WPR09CA368
> **SCHWEIZER SGU 2-22CK** · 2009-07-24 · Ephrata, WA, USA · MINR
## Event
- **NTSB number:** WPR09CA368
- **Event ID:** 20090724X80401
- **Type:** Accident
- **Date:** 2009-07-24
- **Location:** Ephrata, WA, USA
- **Coordinates:** 47.304721, -119.51667
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** SCHWEIZER
- **Model:** SGU 2-22CK
- **Registration:** N3907A
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The premature launch signal given by the wing walker.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09CA368) · AI Analytics · CC0 1.0*