ASN Wikibase Occurrence # 159973
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| Date: | Monday 2 September 2013 |
| Time: | 15:40 |
| Type: |  Mooney M20C |
| Owner/operator: | Private |
| Registration: | N78951 |
| MSN: | 2140 |
| Year of manufacture: | 1962 |
| Total airframe hrs: | 3703 hours |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Freeway Airport (W00), Mitchellville, MD -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Mitchellville, MD (W00) |
| Mitchellville, MD (W00) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane departed from the 2,420-foot-long asphalt runway near its maximum gross weight. Review of witness statements and a video revealed that the airplane initially lifted off and climbed out of ground effect; however, it subsequently descended in a nose-up attitude into trees about 250 feet beyond the departure end of the runway. Examination of the wreckage revealed that the flaps were in the fully extended position and that the flap position indicator was indicating the “down” position (fully extended). No other preimpact anomalies were observed with the airframe or engine that would have precluded normal operation. The takeoff checklist indicated that the pilot should pump the hydraulically actuated flap handle twice, which would extend the flaps to a 15-degree takeoff position. If the flap handle were pumped four and one-half times, the flaps would extend to the full-down position. It is likely that the pilot repeated that checklist item twice, which would have placed the flaps at or near the fully extended position. Review of performance data revealed that adequate runway length existed for the airplane to take off if its flaps had been in the takeoff position.
Probable Cause: The pilot’s failure to ensure that the wing flaps were properly configured before takeoff.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=78951
https://flightaware.com/photos/view/89491-01933c2bde1ed9b16a6ef4296133074d1cf6fca2/aircrafttype/M20P
Location
Media:
Plane crash on route 50 😳 pic.twitter.com/MbKQs2y98o
— Hannah Ericksen (@_hannahkate) September 2, 2013
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Sep-2013 23:03 | Geno | Added |
| 03-Sep-2013 01:01 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 03-Sep-2013 04:01 | Geno | Updated [Location, Narrative] |
| 03-Sep-2013 06:23 | harro | Updated [Embed code] |
| 20-Sep-2013 16:47 | Anon. | Updated [Source, Embed code] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 09:16 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
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