# Accident 19910728030229A: Beech C23, Williamstown, MA, July 28, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 28, 1991, 15:50 local time
- Place: Williamstown, MA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 42.7089° N, 73.2013° W: Placed by OpenAirDocs: center of Williamstown, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7089&lon=-73.2013&mi=10
- Aircraft: N7690R, a cancelled registration (https://openairdocs.org/deregistered/N7690R-1991-08-27) (OpenAirDocs)
- Registry model: Beech C23 (registry code 1151242, https://openairdocs.org/model/beech-c23) (OpenAirDocs)
- Reported make and model: BEECH C23
- Reported engine: LYC O360A2G
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 206 total, 20 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB NYC91LA191](https://openairdocs.org/ntsb/NYC91LA191) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910728030229A

## Narrative

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

ENGINE LOST POWER. FORCED DOWN IN ROUGH TERRAIN. CRANKSHAFT GEAR BOLT BACKED OUT DISENGAGING ACCESSORY SECTION.

## 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 NYC91LA191](https://openairdocs.org/ntsb/NYC91LA191), Jul 28, 1991: Beech C-23 (N7690R), Williamstown, MA, substantial damage. Probable cause: ENGINE FAILURE AS A RESULT OF IMPROPER ENGINE OVERHAUL PERFORMED BY OTHER MAINTENANCE PERSONNEL. A FACTOR WAS THE LACK OF SUITABLE 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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