ASN Wikibase Occurrence # 165586
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| Date: | Friday 18 April 2014 |
| Time: | 12:10 |
| Type: | Ultimate Aero 10-200 |
| Owner/operator: | Private |
| Registration: | N827D |
| MSN: | POC200-005 |
| Year of manufacture: | 2010 |
| Total airframe hrs: | 332 hours |
| Engine model: | Lycoming IO-360-C1C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Near Saint Albans, VT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Highgate, VT (FSO) |
| Highgate, VT (FSO) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was conducting a local personal flight in his experimental amateur-built aerobatic airplane. The pilot reported that, about 10 minutes after takeoff and while climbing to 3,000 ft mean sea level, there was a sudden loud bang/shudder. The canopy then shattered, the engine experienced a total loss of power, and the airplane entered a spin that the pilot could not arrest. The pilot subsequently decided to egress the airplane via parachute. The airplane subsequently struck terrain and was consumed by a postimpact fire.
Examination of the propeller revealed that one of the two propeller blades had separated from the two-bladed, constant-speed propeller's hub. The propeller blade had fractured due to fatigue cracks that initiated from pitch change pin attachment holes that were drilled too deep during manufacture. Subsequent to the accident, the manufacturer recognized that the hole depth varied and instituted quality control measures. At the time of the accident, the propeller had been operated for about 260 hours.
Probable Cause: The propeller blade’s failure due to fatigue cracks that initiated from pitch change pin attachment holes that had been drilled too deep during manufacture.
Accident investigation:
 |
|
Sources:
NTSB
Location
Media:
Single-engine plane crash closes lane on I-89 in Highgate, Vt. http://t.co/r8EDNH7O6e Photo: @JackNECN pic.twitter.com/aQJZCqHROP
— NECN (@NECN) April 18, 2014Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Apr-2014 18:10 | harro | Added |
| 18-Apr-2014 18:19 | harro | Updated [Time, Aircraft type, Registration, Cn, Operator, Source, Embed code, Narrative] |
| 02-May-2014 23:05 | Geno | Updated [Time, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 14:04 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
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