ASN Wikibase Occurrence # 289264
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| Date: | Saturday 4 June 2011 |
| Time: | 13:15 LT |
| Type: |  Boeing-Stearman A75N1(PT-17) |
| Owner/operator: | |
| Registration: | N50052 |
| MSN: | 75-1082 |
| Total airframe hrs: | 4508 hours |
| Engine model: | Lycoming R680-4P-B4 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Junction City, Kansas -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Junction City, KS (K3JC) |
| Junction City, KS (K3JC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, during the initial climb after takeoff, the engine started losing power. The pilot believed the airplane was too far down the runway to abort the takeoff, so he continued the climb. Shortly after, the airplane impacted a tree and a house resulting in substantial damage to both wings. A postaccident examination of the engine revealed that the No. 6 cylinder had measured compression of 34/80 and that the ignition timing on the forward and aft bank of spark plugs was delayed resulting in a degradation of engine power. The airplane was loaded to within 150 pounds of the airplane's gross weight, and calculations of relevant meteorological data revealed that the density altitude was 3,350 feet.
Probable Cause: The degraded engine performance due to low compression on the cylinder and delayed ignition timing.
Accident investigation:
 |
|
Sources:
NTSB CEN11LA375
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 11:45 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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