ASN Wikibase Occurrence # 75331
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| Date: | Monday 28 June 2010 |
| Time: | 08:17 |
| Type: | Hornet ultralight |
| Owner/operator: | Private |
| Registration: | N707BD |
| MSN: | 707 |
| Total airframe hrs: | 480 hours |
| Engine model: | Hirth 3203 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Middle Verde Road, Camp Verde, Arizona -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Camp Verde, AZ |
| Camp Verde, AZ | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that during cruise flight, the engine made a sound akin to a “buzz saw” that required him to initiate a forced landing to a nearby field. During the landing roll the nosewheel separated and the pusher-type engine separated from the mount assembly, impacting into the cockpit area. The pilot stated that a postaccident examination of the airplane revealed that the exhaust clamps had separated from the support structure while in-flight. A section of the exhaust system then struck the wooden propeller blades. Examination of the airplane by a Federal Aviation Administration inspector revealed the both wooden propeller blades had been sheared approximately six inches outboard of the blade root. Seven of the eight engine mount bolts were sheared at the adapter plate and the eighth bolt was missing. The separated exhaust clamps were not recovered for examination.
Probable Cause: The in-flight separation of the exhaust clamps for an undetermined reason, which resulted in the exhaust system striking the wooden propeller.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Jun-2010 06:00 | slowkid | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 17:11 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Plane category] |
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