ASN Wikibase Occurrence # 76443
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| Date: | Saturday 21 August 2010 |
| Time: | 12:10 |
| Type: |  Piper J3C-65 Cub |
| Owner/operator: | Capece Richard N |
| Registration: | N209RC |
| MSN: | 6460 |
| Total airframe hrs: | 702 hours |
| Engine model: | Continental A65 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monroe Township, New Jersey -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Williamstown, NJ (C01) |
| Williamstown, NJ (C01) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane had not been flown recently so the pilot elected to conduct two preflight inspections, an engine run-up, and two full-power takeoff test runs where the airplane became momentarily airborne with no discrepancies noted. During the accident flight takeoff, the airplane accelerated and became airborne at the same point along the runway as it had during the two test runs. While climbing out on the runway heading, the pilot noticed that the engine was suddenly no longer developing full takeoff power. He decided that the airplane was too far down the runway to abort the takeoff and continued the forward flight path. The airplane cleared powerlines at the departure end of the runway and the pilot maneuvered to perform a forced landing in an adjacent field. The airplane then collided with the tops of trees and impacted an unoccupied parked car. A postaccident inspection of the engine revealed weak spark from both spark plugs of the No. 1 cylinder, and the bottom plugs in the remaining cylinders were oil soaked and exhibited weak spark. The cylinders were replaced about 4 years prior to the accident equating to 6 flight hours.
Probable Cause: The partial loss of engine power during takeoff due to weak spark plugs on the No. 1 cylinder.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Aug-2010 21:44 | slowkid | Added |
| 22-Aug-2010 07:49 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Departure airport, Source] |
| 22-Aug-2010 07:50 | RobertMB | Updated [Total occupants] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 18:05 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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