ASN Wikibase Occurrence # 35824
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| Date: | Tuesday 21 October 1997 |
| Time: | 12:20 LT |
| Type: |  Extra EA-200 |
| Owner/operator: | Kenneth E Hadden |
| Registration: | N11EX |
| MSN: | 15 |
| Total airframe hrs: | 30 hours |
| Engine model: | Lycoming L-26997-51A |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Radnor, OH -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | (OH32) |
| Columbus, OH (KOSU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A witness observed the pilot perform a reverse half-Cuban eight during the initial takeoff climb. At approximately 500 feet above ground level (AGL) the pilot attempted to complete the maneuver from the inverted position; however, approximately 30 degrees nose down, the airplane impacted the ground. The witness further stated that the airplane 'did not have enough altitude to clear the ground.' The pilot purchased the airplane new in June, 1997. It was estimated that the pilot had about 30 hours experience in the make and model accident airplane. The pilot had logged a total of 272 flights which consisted of 113 hours during the month of April, 1997 in a Swift S-1 glider. The pilot was previously named a United States National Glider Aerobatic Champion. Interviews with two professional aerobatic pilots indicated that an altitude of 500 feet AGL was required to complete the maneuver in a glider. For the make and model accident airplane, a minimum altitude would be 600 feet AGL depending on conditions such as airspeed and density altitude, and that their personal minimums were 800 feet AGL.
Probable Cause: The failure of the pilot to obtain the proper altitude/clearance above the terrain, to perform an aerobatic maneuver. A factor was the pilot's lack of total experience in make and model.
Accident investigation:
 |
|
Sources:
NTSB NYC98FA017
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 08-Jan-2011 09:03 | Alpine Flight | Updated [Other fatalities, Departure airport, Destination airport] |
| 23-Oct-2014 16:09 | Alpine Flight | Updated [Time, Cn, Operator, Departure airport] |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 12:08 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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