ASN Wikibase Occurrence # 43696
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| Date: | Tuesday 28 August 2007 |
| Time: | 18:25 |
| Type: | Apollo North America Tundra |
| Owner/operator: | Apollo North America, Inc., |
| Registration: | N304AP |
| MSN: | KLM0004 |
| Total airframe hrs: | 358 hours |
| Engine model: | Rotax 582DCDI |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Zephyrhills, FL -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Zephyrhills, FL (ZPH) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Witnesses said that they saw an ultralight-type aircraft doing circles overhead, and that they heard a loud noise like a "pop" and then looked up and saw the aircraft with its wings folded straight up. One witness said that she then saw the aircraft roll over two times, and then it dove straight to the ground. In general, operational limitations of weight-shift-aircraft are: 60 degrees angle of bank; 30 to 45 degrees pitch up and down; positive Gs at all times, with no sustained zero Gs and negative Gs; and no aerobatics allowed. Postcrash examinations of the airframe, flight controls, and engine, did not reveal any evidence of preaccident anomalies. Examination of the wreckage revealed evidence of an in-flight breakage of the wing's structural components under high negative g-loading, consistent with the aircraft being operated outside its parameters.
Probable Cause: Improper in-flight maneuvering that resulted in the weight-shift-aircraft's design limits being exceeded, wing failure, and a loss of control.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20070917X01396&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 18:49 | ASN Update Bot | Updated [Cn, Operator, Other fatalities, Source, Narrative, Plane category] |
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