ASN Wikibase Occurrence # 177511
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| Date: | Wednesday 1 July 2015 |
| Time: | 20:30 |
| Type: |  Boeing-Stearman A75N1 (PT-17) |
| Owner/operator: | Private |
| Registration: | N44SN |
| MSN: | 75-2763 |
| Year of manufacture: | 1941 |
| Total airframe hrs: | 8403 hours |
| Engine model: | Continental W670-6N |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | SE of Louisburg, KS -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Random Ranch, KS |
| Paola, KS (K81) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot had been demonstrating the airplane to a prospective buyer, and they took a break from flying to talk. The pilot reported that he returned to the airplane, started the engine, and taxied it to the south end of the airstrip. He did not perform an engine run-up and did not use carburetor heat. He further stated that, when the airplane was 20 to 30 ft above the ground about midpoint of the 2,000-ft-long dry, grass runway, "it became evident" that the engine power was insufficient because the airplane had stopped climbing. The pilot said that the engine was turning but that it was not producing “as much power.” The airplane’s nose was high, and the pilot did not see the approaching power lines. The airplane struck and severed the power lines, nosed down, and impacted a cornfield at the north end of the field.
At the time of the accident, the temperature and dew point were conducive for the accumulation of carburetor icing at glide and cruise power settings. When asked about the possibility of carburetor ice, the pilot said he did not believe it was likely to have been a factor because the hot engine had only been shut down for about 30 minutes and it had only idled for a couple of minutes before takeoff. Further, the engine was operating at takeoff power, so it is unlikely that carburetor icing caused the loss of engine power. No anomalies were noted during the examination of the airframe and engine.
Probable Cause: A partial loss of engine power for reasons that could not be determined during postaccident examinations.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jul-2015 17:20 | Geno | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:03 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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