# Accident 20070601011799A: Amtr PIETENPOL, Atwater, CA, June 1, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 1, 2007, 11:40 local time
- Place: Atwater, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 37.3500° N, 120.5833° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.3500&lon=-120.5833&mi=10
- Aircraft: N86698 (not matched to a registry record)
- Reported make and model: AMTR PIETENPOL
- Reported engine: AMTR MODELB
- Fatal injuries: 0
- Pilot flight hours: 24,000 total, 100 in this make and model, 5 in the last 90 days
- NTSB investigation: [NTSB LAX07CA181](https://openairdocs.org/ntsb/LAX07CA181) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070601011799A

## Narrative

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

(-23) ENROUTE FROM 1C9 TO MCE EXPERIENCED PARTIAL LOSS OF POWER AND ROUGH RUNNING ENGINE. PILOT SHUT DOWN ENGINE AND PERFORMED OFF AIRPORT EMERGENCY LANDING IN A SOFT FIELD. AIRCRAFT FLIPPED OVER AND CAME TO REST INVERTED. SOLE OCCUPANT PILOT HAD MINOR INJURIES. AIRCRAFT WAS RECOVERED AND INSPECTED BY PERSONS UNKNOWN. REPORTED FINDINGS AS FOLLOWS: CATASTROPHIC ENGINE FAILURE. ENGINE THREW #2 CONNECTING ROD. LOOSENED ENGINE MOUNTS. POSSIBLY VIBRATION RELATED. LEFT MAIN GEAR CROSSMEMBER RETAINING BOLT SHEARED.

## 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 LAX07CA181](https://openairdocs.org/ntsb/LAX07CA181), Jun 1, 2007: Dutton Air Camper (N86698), Atwater, CA, substantial damage. Probable cause: a loss of power due to the failure of the number 2 connecting rod.

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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