# Accident 19910824036629A: Cessna T207A, Coville Lake, AK, August 24, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 24, 1991, 20:50 local time
- Place: Coville Lake, AK
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Operator: ENFA
- Location: 56.9599° N, 158.5804° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=56.9599&lon=-158.5804&mi=10
- Aircraft: N73762 (not matched to a registry record)
- Reported make and model: CESSNA T207A
- Reported engine: ALLSN 250C20B
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 8,000 total, 900 in this make and model, 300 in the last 90 days
- NTSB investigation: [NTSB ANC91LA134](https://openairdocs.org/ntsb/ANC91LA134) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910824036629A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

THOMAS COUPLING FORWARD END DRIVESHAFT BOLTS FAILED. PULLED OUT OF DIVE PRIOR LAKE IMPACT. LOOSE BOLTS WERE CAUSE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC91LA134](https://openairdocs.org/ntsb/ANC91LA134), Aug 25, 1991: Cessna T-207A (N73762), Coville Lake, AK, substantial damage. Probable cause: A TOTAL FAILURE OF THE POWER OUTPUT SHAFT BOLTS DUE TO FATIGUE. CONTRIBUTING TO THE ACCIDENT WAS THE ROUGH AND UNEVEN TERRAIN.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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