# Incident 19800710060369I: Mooney M20D, Crescent Lake, OR, July 10, 1980

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 10, 1980, 11:10 local time
- Place: Crescent Lake, OR
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 43.5096° N, 121.9353° W: Placed by OpenAirDocs: center of Crescent Lake, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.5096&lon=-121.9353&mi=10
- Aircraft: N1921Y, a cancelled registration (https://openairdocs.org/deregistered/N1921Y-2013-02-01) (OpenAirDocs)
- Registry model: Mooney M20D (registry code 5870210, https://openairdocs.org/model/mooney-m20d) (OpenAirDocs)
- Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs)
- Reported make and model: MOONEY M20D
- Reported engine: LYC O360A2D
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 3,500 total, 3,400 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19800710060369I

## Narrative

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

CRANKSHAFT IDLER GEAR CAME LOOSE, ALLOWING CRANKSHAFT TO GO OUT OF TIME.

## Other reports on N1921Y (2)

Matched to the same aircraft by N-number and date.

- [Accident 19910317006699A](https://openairdocs.org/incident/19910317006699A), Mar 17, 1991: Mooney M20D (N1921Y), Herlong, CA, Substantial damage. Lost a prop blade at cruise. Severe vibration. Landed safely. Fixed pitch prop was wrong pitch. Vibration damage.
- [Incident 19800913070589I](https://openairdocs.org/incident/19800913070589I), Sep 13, 1980: Mooney M20D (N1921Y), Eugene, OR, Minor damage. Pilot landed gear up. Warning horn inoperative.

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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