ASN Wikibase Occurrence # 122617
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| Date: | Friday 20 May 2011 |
| Time: | 17:45 |
| Type: |  Diamond DA20-C1 Katana |
| Owner/operator: | Private |
| Registration: | N877CT |
| MSN: | C0077 |
| Total airframe hrs: | 1720 hours |
| Engine model: | Continental IO-240 SER |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wurtsboro, NY -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Wurtsboro, NH (N82) |
| Wurtsboro, NH (N82) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Witnesses observed the airplane takeoff and begin performing maneuvers similar to aerobatics at low altitude over the runway. The airplane descended in a forward slip until it was about 30 feet above the runway, accelerated, and pulled up to an estimated 70 degree nose-up attitude. The airplane leveled out and performed a “swoop down” maneuver, followed by a right turn toward an empty parking lot. It then entered a nose dive over the parking lot and impacted the ground. The pilot reported that the engine lost power, and he was making a forced landing in the parking lot. However, none of the witnesses reported hearing engine problems, and one witness specifically stated that he did not “hear any mechanical problems with the airplane.” Examination of the wreckage did not reveal any abnormality that would have prevented normal operation of the airplane’s flight controls. Examination of the engine revealed evidence that, at some time, water had contaminated the fuel system. No other abnormalities were noted during examination of the engine. The pilot reported that he had drained some water from the airplane’s fuel system during the preflight inspection and that he had continued to drain fuel until no water was detected. Based on the pilot’s report that he had drained all water from the fuel system, the finding of no discrepancies (other than the evidence of water contamination) with the engine, and the lack of witness reports of engine problems, it is likely that the engine was operating throughout the aerobatic maneuvers.
Probable Cause: The pilot’s performance of aerobatic maneuvers at low altitude and his failure to maintain airspeed, which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-May-2011 04:46 | gerard57 | Added |
| 21-May-2011 05:02 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Location, Departure airport] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 16:55 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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