# Accident 20120811017799A: Mathes Tom H GN-1 AIRCAMPER, Burlington, WI, August 11, 2012

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 11, 2012, 16:00 local time
- Place: Burlington, WI
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 42.6703° N, 88.2708° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.6703&lon=-88.2708&mi=10
- Aircraft: N31TM, a cancelled registration (https://openairdocs.org/deregistered/N31TM-2018-02-08) (OpenAirDocs)
- Registry model: Mathes Tom H GN-1 AIRCAMPER (registry code 05616FM, https://openairdocs.org/model/mathes-tom-h-gn-1-aircamper) (OpenAirDocs)
- Registry engine: Continental C85 series (registry code 17008, https://openairdocs.org/engine/continental-c85-series) (OpenAirDocs)
- Reported make and model: MATHES TOM H GN-1 AIRCAMPER
- Reported engine: CONT MOTOR C85 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 2
- Pilot certificates: Private pilot
- Pilot flight hours: 700 total, 57 in this make and model, 30 in the last 90 days
- NTSB investigation: [NTSB CEN12LA539](https://openairdocs.org/ntsb/CEN12LA539) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20120811017799A

## Narrative

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

N31TM MADE AN EMERGENCY LANDING IN A CORN FIELD.  PILOT STATED THAT WHILE IN CRUISE FLIGHT, HE FELT A VIBRATION, SHUT DOWN THE ENGINE, RESTARTED, AND STILL FELT IT RUNNING ROUGH SO HE ATTEMPTED AN EMERGENCY LANDING.  WITNESS STATED THAT THEY SAW SOMETHING FALL FROM THE AIRCRAFT IN FLIGHT.  N31TM MADE A HARD LANDING RESULTING IN SUBSTANTIAL DAMAGE TO THE AIRCRAFT AND MINOR INJURIES TO PILOT AND PASSENGER.  AIRCRAFT'S PROPELLER WAS LATER FOUND APPROXIMATELY 500 YARDS FROM CRASH SITE.

## 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 CEN12LA539](https://openairdocs.org/ntsb/CEN12LA539), Aug 11, 2012: Gn-1 Aircamper Mathes (N31TM), Burlington, WI, substantial damage. Probable cause: The pilot's improper installation of the propeller bolts, which resulted in the in-flight separation of the propeller.

## Other reports on N31TM (1)

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

- [Incident 20070723825399I](https://openairdocs.org/incident/20070723825399I), Jul 23, 2007: Amtr GN1AIRCAMPER (N31TM), Burlington, WI, Minor damage. (-23) Pilot stated that he departed a private airstrip approximately 1.5 miles northeast of Burlington, WI (buu). While climbing through 400 feet AGL, the…

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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