# Accident 19990726009969A: Amtr AIRCAMPER, Collins, OH, July 26, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 26, 1999, 08:30 local time
- Place: Collins, OH
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 41.2199° N, 82.4691° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=41.2199&lon=-82.4691&mi=10
- Aircraft: N6286A (not matched to a registry record)
- Reported make and model: AMTR AIRCAMPER
- Reported engine: AMTR FORD*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 760 total, 60 in this make and model, 25 in the last 90 days
- NTSB investigation: [NTSB NYC99LA184](https://openairdocs.org/ntsb/NYC99LA184) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990726009969A

## Narrative

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

ACFT LOST POWER AND CRASHED IN SOYBEAN FIELD ATTEMPTING TO LAND IN A CUT WHEAT FIELD. (.19) ON JULY 26, 1999, ABOUT 0830 EASTERN DAYLIGHT TIME, A HOMEBUILT PIETENPOL, N6286A, WAS SUBSTANTIALLY DAMAGED DURING A FORCED LANDING AT BERLIN TOWNSHIP, OHIO. THE CERTIFICATED PRIVATE PILOT AND PASSENGER WERE NOT INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE FLIGHT THAT ORIGINATED FROM A PRIVATE GRASS AIRSTRIP AT VALLEY CITY, OHIO; DESTINED FOR WITTMAN REGION AIRPORT, OSHKOSH, WISCONSIN. NO FLIGHT PLAN WAS FILED FOR THE PERSONAL FLIGHT CONDUCTED UNDER 14 CFR PART 91. DURING A TELEPHONE INTERVIEW, THE PILOT STATED THAT HE WAS IN CRUISE FLIGHT APPROXIMATELY 2,000 FEET MEAN SEA LEVEL. THE ENGINE LOST ALL POWER, AND HE MADE A FORCED LANDING TO A SOYBEAN FIELD. DURING THE LANDING, THE LEFT MAIN LANDING GEAR FOLDED UNDER THE AIRPLANE, AND THE RIGHT WING SPAR FRACTURED. HE FURTHER STATED, EXAMINATION OF THE WRECKAGE REVEALED FOUR BOLTS, WHICH SECURED THE PROPELLER, WERE SHEARED. THE RESPECTIVE FOUR NUTS AND PROPELLER WERE NOT RECOVERED. THE PILOT BELIEVED THAT FATIGUE CAUSED ONE BOLT TO SHEAR, AND A SUBSEQUENT VIBRATION OCCURRED. THE VIBRATION CAUSED THE REMAINING BOLTS TO SHEAR.     ON THIS PARTICULAR AIRPLANE, THE PROPELLER ACTED AS A FLYWHEEL. THE PILOT STATED THAT THE ABSENCE OF A FLYWHEEL WOULD CAUSE THE ENGINE TO STOP. THE PILOT LAST SECURED THE PROPELLER TO THE AIRPLANE APPROXIMATELY 1 YEAR BEFORE THE ACCIDENT. SINCE THEN, HE ESTIMATED THAT THE AIRPLANE FLEW APPROXIMATELY 40 HOURS. (-23) REF. ATTCH. FACTUAL STATEMENT. (.4) THE AIRPLANE WAS IN CRUISE FLIGHT APPROXIMATELY 2,000 FEET MEAN SEA LEVEL. THE ENGINE LOST ALL POWER, AND THE PILOT MADE A FORCED LANDING TO SOYBEAN FIELD.  THE PILOT STATED THAT EXAMINATION OF THE WRECKAGE REVEALED FOUR BOLTS, WHICH SECURED THE PROPELLER, WERE SHEARED.  THE RESPECTIVE FOUR NUTS AND PROPELLER WERE NOT RECOVERED.  THE PILOT BELIEVED THAT ONE BOLT SHEARED, AND A SUBSEQUENT VIBRATION CAUSED THE REMAINING BOLTS TO SHEAR.  ON THIS PARTICULAR AIRPLANE, THE PROPELLER ACTED AS A FLYWHEEL.  THE ABSENCE OF A FLYWHEEL WOULD CAUSE THE ENGINE TO STOP.

## 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 NYC99LA184](https://openairdocs.org/ntsb/NYC99LA184), Jul 26, 1999: Troy Pietenpol (N6286A), Collins, OH, substantial damage. Probable cause: In-flight separation of the propeller.

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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