ASN Wikibase Occurrence # 36941
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Date: | Sunday 25 April 1999 |
Time: | 13:00 LT |
Type: | Monnett Sonerai II L |
Owner/operator: | Raymond Ives |
Registration: | N56RA |
MSN: | 1108 |
Total airframe hrs: | 181 hours |
Engine model: | Lycoming O-320 |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Eastford, CT -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Private |
Departure airport: | Fitchburg, MA (KFIT) |
Destination airport: | Willimantic, CT (KIJD) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:After having breakfast with a friend, the pilot departed. No one else reported seeing him or the airplane until a witness, approximately 50 yards from the accident site, saw the airplane a little over tree top level. While staying in the vicinity of the accident site, the airplane conducted several aerobatic maneuvers. Then, while in a steep turn to the left, the right wing separated, and then the left. The engine continued to run until ground impact. Examination of fractures surfaces on the spar-box revealed cold welds, and corrosion.
Probable Cause: Inadequate welding of the airplane's spar-box by the owner/builder, which resulted in a total spar-box failure in-flight. A factor in the accident was the pilot's decision to perform aerobatics.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | NYC99FA097 |
Status: | Investigation completed |
Duration: | 1 year and 3 months |
Download report: | Final report |
|
Sources:
NTSB NYC99FA097
Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:23 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
26-Nov-2017 12:43 |
ASN Update Bot |
Updated [Operator, Source, Narrative] |
08-Apr-2024 06:38 |
ASN Update Bot |
Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Accident report] |
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