ASN Wikibase Occurrence # 355194
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| Date: | Sunday 28 September 1997 |
| Time: | 19:21 LT |
| Type: | Rans S-11 Pursuit |
| Owner/operator: | Rans, Inc. |
| Registration: | N4299Y |
| MSN: | 2 |
| Total airframe hrs: | 259 hours |
| Engine model: | Rotax 912 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Hays, KS -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot, who worked as an aviation mechanic for the aircraft manufacturer, installed vortex generators on the wings and fuselage of a Rans S-11. He then flew the S-11, while a chase plane followed. The S-11 pilot slowed the airplane to let the chase plane catch up. The pilot of the chase plane reported that the S-11's altitude was about 1,500 feet AGL, but the airspeed was slow. He observed the airplane doing slight Dutch rolls and '...just mushing along.' The S-11's nose pitched down and started a 1/4 spin to the left. The aircraft started to pull up from the nose down spin attitude, and then made a shallow arc before impacting the ground. The pilot of the S-11 was not a test pilot. He had a total of 3 hours in the S-11. The S-11 pilot reported the flight was a personal flight. The company did not have a policy for test flying airplanes. The engine and flight controls exhibited continuity.
Probable Cause: failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall and collision with the terrain. The pilot's lack of experience in the make and model of airplane was a related factor.
Accident investigation:
 |
|
Sources:
NTSB CHI97LA302
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 09:17 | ASN Update Bot | Added |
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