# Accident 19901013045099A: Mooney M20F, Casper, WY, October 13, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 13, 1990, 11:10 local time
- Place: Casper, WY
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 43.1702° N, 107.3198° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.1702&lon=-107.3198&mi=10
- Aircraft: N9732M, a cancelled registration (https://openairdocs.org/deregistered/N9732M-1992-01-15) (OpenAirDocs)
- Registry model: Mooney M20F (registry code 5870214, https://openairdocs.org/model/mooney-m20f) (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Reported engine: LYC IO360A1A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 2,900 total, 650 in this make and model, 90 in the last 90 days
- NTSB investigation: [NTSB SEA91LA006](https://openairdocs.org/ntsb/SEA91LA006) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19901013045099A

## Narrative

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

LOUD BANG. OIL ON WINDSHIELD. FORCED DOWN ROUGH TERRAIN. CONNECTING ROD BROKE ENGINE CASE.

## 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 SEA91LA006](https://openairdocs.org/ntsb/SEA91LA006), Oct 13, 1990: Mooney M20F (N9732M), Casper, WY, substantial damage. Probable cause: THE LOSS OF ENGINE POWER DUE TO FATIGUE FRACTURE OF THE NUMBER 2 CYLINDER CONNECTING ROD. FACTORS RELATED TO THE ACCIDENT WERE: ROUGH AND UNEVEN TERRAIN AT THE ACCIDENT SITE AND THE LACK OF SUITABLE…

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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