# NTSB Accident WPR09LA222
> **VALENTIN TAIFUN 17 E II** · 2009-04-24 · Mammoth Lakes, CA, USA · FATL
## Event
- **NTSB number:** WPR09LA222
- **Event ID:** 20090501X70125
- **Type:** Accident
- **Date:** 2009-04-24
- **Location:** Mammoth Lakes, CA, USA
- **Coordinates:** 37.779998, -118.955833
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** VALENTIN
- **Model:** TAIFUN 17 E II
- **Registration:** N20822
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain clearance from terrain while maneuvering in a canyon.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA222) · AI Analytics · CC0 1.0*