ASN Wikibase Occurrence # 226785
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| Date: | Wednesday 3 July 2019 |
| Time: | 19:00 LT |
| Type: |  Pipistrel Sinus |
| Owner/operator: | Private |
| Registration: | N269PW |
| MSN: | 503 SN 912 LSA |
| Year of manufacture: | 2013 |
| Total airframe hrs: | 217 hours |
| Engine model: | Rotax 912-UL2 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Lawrence Municipal Airport (KLWM), Lawrence, MA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Lawrence Airport, MA (LWM/KLWM) |
| Lawrence Airport, MA (LWM/KLWM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot departed in his motorized glider, climbed to 3,500 ft, then turned off the engine and feathered the two-bladed propeller once he reached the area where he wanted to soar. Since weather conditions were not conducive to soaring, he attempted to return to the airport. In preparation to land he said he restarted the engine without using the glider's documented procedures. The engine started but was not producing the expected power. The pilot thought he had a fuel problem and was not aware that the propeller was still in a feathered condition. Although the engine was operating normally, the feathered propeller was unable to produce the thrust needed to maintain altitude. The pilot subsequently made a forced landing and the airplane impacted a fence about 1.5 miles short of the runway. The glider sustained substantial damage.
Postaccident examination of the glider revealed that both propeller blades and the propeller control knob were in the feathered position. Examination of the engine and airplane revealed no mechanical deficiencies that would have precluded normal operation at the time of impact.
Probable Cause: The pilot's failure to utilize the proper procedure and unfeather the motorized glider's propeller prior to an in-flight engine restart, resulting in a lack of thrust and subsequent forced landing.
Accident investigation:
 |
|
Sources:
NTSB ERA19LA214
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=269PW
https://flightaware.com/photos/view/1944458-ac590ba3dccde1b3debe045896484c3ae463e721/aircrafttype/
https://uk.flightaware.com/photos/view/1944458-ac590ba3dccde1b3debe045896484c3ae463e721 (photo)
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Jul-2019 12:57 | Geno | Added |
| 05-Jul-2019 14:50 | RobertMB | Updated [Aircraft type, Registration, Nature, Source, Narrative] |
| 17-Jul-2019 14:42 | Geno | Updated [Time, Departure airport, Destination airport, Source, Narrative] |
| 02-Jul-2022 07:26 | ASN Update Bot | Updated [Time, Other fatalities, Source, Damage, Narrative, Plane category, Category, Accident report] |
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