ASN Wikibase Occurrence # 235189
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Date: | Saturday 30 July 2016 |
Time: | 11:47 |
Type: | Rans S-7 |
Owner/operator: | Private |
Registration: | N6271X |
MSN: | 0196170 |
Year of manufacture: | 1997 |
Total airframe hrs: | 1191 hours |
Engine model: | Rotax 912UL |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Oshkosh, WI -
United States of America
|
Phase: | Take off |
Nature: | Private |
Departure airport: | Oshkosh, WI (OSH) |
Destination airport: | Ames, IA (AMW) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The sport pilot reported that during taxi before taking off for the airshow, he was trying to get the airplane set up for takeoff. Shortly after he began his takeoff roll and as he rotated the airplane, the airplane's nose pitched up into a high attitude. He applied forward pressure to the control stick, and the airplane began to drift to the left. Because the left side of the runway was bordered with airshow spectators, the pilot made an abrupt turn to the right, which resulted in an aerodynamic stall. Subsequently, the airplane impacted terrain on the west side of the runway and sustained substantial damage to the wing struts and fuselage.
The pilot stated that he felt rushed and anxious given the number of airplanes trying to land and take off.
Postaccident examination of the airplane revealed flight control continuity, and no preimpact mechanical failures or malfunctions were identified that would have precluded normal operation. Although the aft baggage compartment contained 10 lbs of baggage more than the maximum limit, according to weight and balance calculations, the airplane's takeoff weight was below the maximum, and the aft center of gravity was within normal limits.
The pilot had been diagnosed with Crohn's disease, low back pain, insomnia, and Parkinson's disease and was taking sleep-inducing medications at the time of the accident. Given the circumstances of the accident and the pilot's ability to recall events including the crash itself, it is unlikely that he suffered a sudden period of sleep induced by the medications. Further, it could not be determined if the pilot's medical issues contributed to the accident.
Probable Cause: The pilot's failure to maintain airplane control on takeoff, which resulted in his remedial action to induce an aerodynamic stall and the subsequent impact with terrain.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN16LA293 |
Status: | Investigation completed |
Duration: | 3 years and 8 months |
Download report: | Final report |
|
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
19-Apr-2020 07:01 |
ASN Update Bot |
Added |
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