ASN Wikibase Occurrence # 228411
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| Date: | Wednesday 21 August 2019 |
| Time: | 13:38 LT |
| Type: |  Stinson 108-3 |
| Owner/operator: | L Bachman LLC |
| Registration: | N647C |
| MSN: | 108-3647 |
| Year of manufacture: | 1947 |
| Total airframe hrs: | 3892 hours |
| Engine model: | Continental O-470-R |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Grand Rapids Airport (GPZ/KGPZ), Grand Rapids, MN -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Grand Rapids Airport, MN (GPZ/KGPZ) |
| Grand Rapids Airport, MN (GPZ/KGPZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he allowed the engine to warm-up for about 15 minutes before takeoff and used the carburetor heat. The takeoff was normal, but shortly after establishing climb power, he noticed a reduction in power although the engine was still running smoothly. He turned to a left downwind for landing; however, "several seconds" later, the engine "popped twice and quit completely." The propeller was windmilling. The pilot executed a forced landing and the airplane sustained substantial damage to the aft fuselage, left wing, left horizontal stabilizer, and right float.
Postaccident examination of the engine, including a test run, did not reveal any anomalies that would preclude normal operation. Although the weather conditions at the time of the accident were conducive to carburetor icing at glide power, the pilot reported that he used carburetor heat when the airplane was idling on the ground and that the airplane was operating at a high power setting when the engine lost power, both of which would have prevented the accumulation of carburetor ice. Thus, the reason for the loss of engine power could not be determined based on the available information and postaccident examination and testing.
Probable Cause: A loss of engine power after takeoff for undetermined reasons.
Accident investigation:
 |
|
Sources:
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=647C
NTSB CEN19LA281
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Aug-2019 01:32 | RobertMB | Added |
| 22-Aug-2019 13:42 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Source] |
| 22-Aug-2019 22:34 | Captain Adam | Updated [Narrative] |
| 27-Mar-2021 08:19 | ASN Update Bot | Updated [Time, Other fatalities, Destination airport, Source, Narrative, Category, Accident report] |
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