# NTSB Accident BFO92FA152
> **MOONEY M20K** · 1992-09-21 · WESTON, WV, USA · FATL
## Event
- **NTSB number:** BFO92FA152
- **Event ID:** 20001211X15608
- **Type:** Accident
- **Date:** 1992-09-21
- **Location:** WESTON, WV, USA
- **Coordinates:** 39.039047, -80.459503
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** MOONEY
- **Model:** M20K
- **Registration:** N99693
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

TOTAL LOSS OF ENGINE POWER DUE TO THE INADEQUATE TORQUE OF THE NO. 1 CYLINDER ATTACH BOLTS AND STUDS, FATIQUE FAILURE OF THE BOLTS/STUDS, AND SEPARATION OF THE NO. 1 CYLINDER.  FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS AND HILLY TERRAIN, WHICH WERE UNSUITABLE FOR 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=BFO92FA152) · MORVS · CC0 1.0*