# Incident 19960807032559I: Cessna 172N, Cadott, WI, August 7, 1996

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 7, 1996, 16:30 local time
- Place: Cadott, WI
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 44.9498° N, 91.1538° W: Placed by OpenAirDocs: center of Cadott, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9498&lon=-91.1538&mi=10
- Aircraft: N4949G, registered now (https://openairdocs.org/aircraft/N4949G) (OpenAirDocs)
- Registry model: Cessna 172N (registry code 2072434, https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Reported engine: LYC O320H2AD
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 8,950 total, 180 in this make and model, 10 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19960807032559I

## Narrative

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

NARRATIVE: MALFUNCTION OR DEFECT REPORT FAA FORM 8010-4 SUBMITTED. ON AUGUST 7, 1996 AT APPROXIMATELY 1630 CDST A CESSNA, C172N, N4949G, MADE AN EMERGENCY LANDING IN A HAY FIELD ON COUNTY HWY MM, CADOTT, CHIPPEWA COUNTY, WISCONSIN. THE AIRCRAFT DID NOT SUSTAIN ANY DAMAGE. THE ATP RATED PILOT AND PASSENGER DID NOT REPORT ANY INJURIES. THE FLIGHT ORIGINATED AT MEYERS FIELD, RIPPON, WISCONSIN WITH A GAS STOP AT MARSHFIELD (MFI) WISCONSIN WITH DESTINATION TO BE FLEMMING FIELD, ST. PAUL, MINNESOTA. VISUAL METEOROLOGICAL CONDITIONS PREVAILED. NO FLIGHT PLAN WAS FILED. THE PILOT STATED, HE EXPERIENCED A ROUGH RUNNING ENGINE AT LEVER CRUISE FLIGHT FOLLOWED BY DEGRADED POWER OUTPUT AND WAS UNABLE TO MAINTAIN ALTITUDE. ON SITE EVALUATION OF THE ENGINE REVEALED THE MAGNETOS POINTS WERE NOT OPENING DUE TO EXCESSIVE WEAR ON THE POINT'S CAM FOLLOWER. THIS WEAR WAS ACCELERATED BY A HEAT BUILD-UP, ON THE MAGNETO SHAFT, GENERATED BY A FAILED REAR BEARING. A MALFUNCTION OR DEFECT REPORT, FAA FORM 8010-4, HAS BEEN SUBMITTED PERTINENT TO THIS PART FAILURE.

## Other reports on N4949G (1)

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

- [Incident 19910515022549I](https://openairdocs.org/incident/19910515022549I), May 15, 1991: Cessna 172N (N4949G), Watertown, WI. Engine failed while practicing stalls. Emergency landing. Mixture adjustment screw missing from carburetor.

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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