# Incident 20071226829189I: Piper PA46310P, Aspen, CO, December 26, 2007

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: December 26, 2007, 18:30 local time
- Place: Aspen, CO
- Damage: No damage
- Phase of flight: Climb
- Operating rules: General operating rules (Part 91)
- Location: 39.2039° N, 106.8681° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=39.2039&lon=-106.8681&mi=10
- Aircraft: N47BC, registered now (https://openairdocs.org/aircraft/N47BC) (OpenAirDocs)
- Registry model: Piper PA-46-310P (registry code 7104605, https://openairdocs.org/model/piper-pa-46-310p) (OpenAirDocs)
- Registry engine: Continental TSIO-520 series (registry code 17040, https://openairdocs.org/engine/continental-tsio-520-series) (OpenAirDocs)
- Reported make and model: PIPER PA46310P
- Reported engine: CONT TSIO550C
- People aboard: 4
- Fatal injuries: 0
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB DEN08IA044](https://openairdocs.org/ntsb/DEN08IA044) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20071226829189I

## Narrative

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

(-23) PILOT NOTICED OIL ON WINDSCREEN AND CONTACTED ASPEN APPROACH TO RETURN TO KASE. AFTER COMPLETING A 180 DEGREE TURN THE PILOT HEARD A LOUD BANG AND FELT A SHUDDER. THE WINDSHIELD THEN BECAME COVERED WITH OIL. HE THEN DECLARED AN EMERGENCY AND RETURNED TO THE DEPARTURE AIRPORT. AT THE TIME THE PILOT FIRST NOTICED OIL, HE WAS CLIMBING THRU 16,000 FEET AND WAS 12.5 MILES FROM THE AIRPORT. UPON LANDING PILOT NOTICED THAT THE CRANKSHAFT HAD BROKEN ALLOWING THE PROPELLER AND CRANKSHAFT FLANGE TO DEPART THE AIRCRAFT. M OR D REPORT TO BE FILED BY PRENTICE HUBBLE AT THE FBO IN ASPEN.

## 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 DEN08IA044](https://openairdocs.org/ntsb/DEN08IA044), Dec 26, 2007: Piper PA-46-310P (N47BC), Aspen, CO, incident, minor damage. Probable cause: The failure of the crankshaft due to fatigue. The fatigue crack initiation was not determined.

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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