Hamilton – Stevensville

Immediately after taking off and raising the landing gear, the pilot noticed the left engine began to lose power. The airplane subsequently veered to the left before impacting up slopping terrain in a left wing low attitude, resulting in a fire breaking out which consumed the left side of the airplane. A postaccident examination revealed that the left engine had sustained thermal but no impact damage, and that the engine's right hand turbocharger had no thermal or impact damage. A further examination indicated that no restrictions were found in the center section of the turbocharger and there was no damage to the housing or the impeller; however, the impeller was frozen in the center section and would not turn. Indications of grooving and scraping from a lack of lubrication to the bearings and drive shaft was observed. No mechanical anomalies with the aircraft were noted by the pilot prior to takeoff which would have prevented normal operations.

Flight / Schedule

Hamilton – Stevensville

Registration

N601DF

MSN

61-0014

Year of Manufacture

1968

Date

December 30, 2004 at 01:00 PM

Type

CRASH

Flight Type

Private

Flight Phase

Takeoff (climb)

Crash Site

Airport (less than 10 km from airport)

Crash Location

Hamilton-Ravalli County Montana

Region

North America • United States of America

Coordinates

46.2472°, -114.1555°

Crash Cause

Technical failure

Narrative Report

On December 30, 2004 at 01:00 PM, Hamilton – Stevensville experienced a crash involving Piper PA-61 Aerostar (Ted Smith 601), operated by Kline and Associates, with the event recorded near Hamilton-Ravalli County Montana.

The flight was categorized as private and the reported phase was takeoff (climb) at a airport (less than 10 km from airport) crash site.

1 people were known to be on board, 0 fatalities were recorded, 1 survivors were identified or estimated. This corresponds to an estimated fatality rate of 0.0%.

Crew on board: 1, crew fatalities: 0, passengers on board: 0, passenger fatalities: 0, other fatalities: 0.

The listed crash cause is technical failure. Immediately after taking off and raising the landing gear, the pilot noticed the left engine began to lose power. The airplane subsequently veered to the left before impacting up slopping terrain in a left wing low attitude, resulting in a fire breaking out which consumed the left side of the airplane. A postaccident examination revealed that the left engine had sustained thermal but no impact damage, and that the engine's right hand turbocharger had no thermal or impact damage. A further examination indicated that no restrictions were found in the center section of the turbocharger and there was no damage to the housing or the impeller; however, the impeller was frozen in the center section and would not turn. Indications of grooving and scraping from a lack of lubrication to the bearings and drive shaft was observed. No mechanical anomalies with the aircraft were noted by the pilot prior to takeoff which would have prevented normal operations.

Aircraft reference details include registration N601DF, MSN 61-0014, year of manufacture 1968.

Geospatial coordinates for this crash are approximately 46.2472°, -114.1555°.

Fatalities

Total

0

Crew

0

Passengers

0

Other

0

Crash Summary

Immediately after taking off and raising the landing gear, the pilot noticed the left engine began to lose power. The airplane subsequently veered to the left before impacting up slopping terrain in a left wing low attitude, resulting in a fire breaking out which consumed the left side of the airplane. A postaccident examination revealed that the left engine had sustained thermal but no impact damage, and that the engine's right hand turbocharger had no thermal or impact damage. A further examination indicated that no restrictions were found in the center section of the turbocharger and there was no damage to the housing or the impeller; however, the impeller was frozen in the center section and would not turn. Indications of grooving and scraping from a lack of lubrication to the bearings and drive shaft was observed. No mechanical anomalies with the aircraft were noted by the pilot prior to takeoff which would have prevented normal operations.

Cause: Technical failure

Occupants & Outcome

Crew On Board

1

Passengers On Board

0

Estimated Survivors

1

Fatality Rate

0.0%

Known people on board: 1

Operational Details

Schedule / Flight

Hamilton – Stevensville

Flight Type

Private

Flight Phase

Takeoff (climb)

Crash Site

Airport (less than 10 km from airport)

Region / Country

North America • United States of America

Aircraft Details

Registration

N601DF

MSN

61-0014

Year of Manufacture

1968

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