# NTSB Accident DEN90LA164
> **MOONEY M20F** · 1990-07-14 · TORRINGTON, WY, USA · NONE
## Event
- **NTSB number:** DEN90LA164
- **Event ID:** 20001212X23683
- **Type:** Accident
- **Date:** 1990-07-14
- **Location:** TORRINGTON, WY, USA
- **Coordinates:** 42.06097, -104.179985
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** MOONEY
- **Model:** M20F
- **Registration:** N6456Q
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A PARTIAL LOSS OF POWER DUE TO A FAILED EXHAUST VALVE. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90LA164) · AI Analytics · CC0 1.0*