# NTSB Accident DEN07LA133
> **Walker Lancair IV** · 2007-08-01 · Sylvan Grove, KS, USA · SERS
## Event
- **NTSB number:** DEN07LA133
- **Event ID:** 20070810X01161
- **Type:** Accident
- **Date:** 2007-08-01
- **Location:** Sylvan Grove, KS, USA
- **Coordinates:** 38.993888, -99.595275
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Walker
- **Model:** Lancair IV
- **Registration:** N7441W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose.  Contributing factors in this accident were the unsuitable terrain on which to make a forced landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN07LA133) · AI Analytics · CC0 1.0*