ASN Wikibase Occurrence # 59919
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| Date: | Saturday 9 May 2009 |
| Time: | 13:17 |
| Type: |  Velocity SE |
| Owner/operator: | Private |
| Registration: | N45YV |
| MSN: | SV4101 |
| Total airframe hrs: | 738 hours |
| Engine model: | Lycoming IO360 SER A&C |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | W of Katy, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Katy, TX (TME) |
| Katy, TX (TME) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane's experimental two-bladed fixed-pitch propeller had recently been replaced with an experimental three-bladed constant-speed propeller. The pilot was flight testing the new propeller at the time of the accident. During the third flight of the day, one of the propeller's blades separated from the propeller hub during flight. The pilot lost control of the airplane and entered an uncontrolled descent. The airplane impacted in a flat, lightly wooded area. Flight control continuity was confirmed and no preimpact anomalies were discovered with the airplane's engine or other airplane systems. An examination of the propeller conducted by the National Transportation Safety Board Materials Laboratory discovered several areas of disbonding with signatures of low adhesion between the propeller shank, adhesive, and propeller ferrule.
Probable Cause: The pilot's loss of control following an in-flight failure of the propeller.
Accident investigation:
 |
|
Sources:
NTSB
Location
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-May-2009 10:59 | harro | Added |
| 11-May-2009 07:52 | slowkid | Updated |
| 13-Oct-2010 14:16 | harro | Updated [Source] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 02-Dec-2017 14:52 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative, Plane category] |
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