ASN Wikibase Occurrence # 133659
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| Date: | Friday 11 April 1997 |
| Time: | 19:35 LT |
| Type: | Ultimate Aero 10-300S |
| Owner/operator: | Joann Osterud |
| Registration: | N325GP |
| MSN: | 300-001 |
| Total airframe hrs: | 1532 hours |
| Engine model: | Lycoming O-540-E4A5 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Yuma, AZ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | (KYUM) |
| (KYUM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
An air show routine was being performed at sunset, which involved a giant ring of flames at center stage of the show. Once established on the last pass through the ring of fire, the pilot planned to fly inverted and cut a ribbon with the propeller blades. She reported that while flying inverted during the third pass, the airplane impacted the ground. The pilot stated that she remembered the turn-around, rolling inverted, and establishing her sight picture for the run-in. However, the next few seconds were a total blank in her memory, with her visual picture resuming with the sparks created by the inverted slide. The pilot reported that there were no mechanical difficulties with the airplane. An FAA inspector reported that the 'Ring of Fire' routine required the pilot to fly directly into the setting sun, then turn around for the inverted pass. The inspector established on-scene that no mechanical or engine abnormalities had occurred.
Probable Cause: the pilot's failure to maintain adequate vertical clearance from the runway, while flying inverted. Factors relating to the accident were: the light conditions at dusk, and the pilot's lack of visual ques due to the light conditions.
Accident investigation:
 |
|
Sources:
NTSB LAX97LA155
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 15:58 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Plane category, Category, Accident report] |
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