ASN Wikibase Occurrence # 227987
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| Date: | Friday 6 October 2017 |
| Time: | 14:15 |
| Type: |  Ercoupe 415 |
| Owner/operator: | Private |
| Registration: | N3538H |
| MSN: | 4163 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 1712 hours |
| Engine model: | Continental A&C75 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Centre Hall, PA -
 United States of America
|
| Phase: | |
| Nature: | Private |
| Departure airport: | Centre Hall, PA (N74) |
| Dover, PA (0P8) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot reported that, after takeoff, he climbed the airplane to 200 ft above ground level, at which point it experienced an "appreciable" loss of engine power, the flight controls became "sluggish," and the airplane would no longer climb. He noted that the engine was operating about 275 rpm below the nominal full-power setting of 2,275 rpm at takeoff. The pilot chose to conduct a forced landing to a field directly off the departure end of the runway. During the landing roll, the airplane struck fences, which resulted in substantial damage to both wings.
Postaccident examination of the engine revealed that the No. 2 cylinder exhaust valve was stuck in the open (compressed) position without rocker-arm contact. The valve remained in the open position through several rotations of the crankshaft. The stuck exhaust valve would have resulted in the partial loss of engine power and the airplane’s inability to climb.
Probable Cause: The partial loss of engine power due to the No. 2 cylinder exhaust valve being stuck.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Aug-2019 11:03 | ASN Update Bot | Added |
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