ASN Wikibase Occurrence # 199066
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Friday 12 August 2016 |
| Time: | 18:00 |
| Type: |  Cub Crafters CCK-1865 Carbon Cub |
| Owner/operator: | Pilot |
| Registration: | N625EX |
| MSN: | 0093 |
| Year of manufacture: | 2016 |
| Total airframe hrs: | 96 hours |
| Engine model: | Aerosport CC-340 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wasilla, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Summit, AK (PSAT) |
| Wasilla, AK (5AK5) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport pilot was conducting a personal cross-country flight in the experimental amateur-built, tailwheel-equipped airplane. The pilot reported that, while landing on a turf and gravel airstrip, the airplane veered sharply left as the tailwheel touched down. Despite applying full right rudder and brake controls, the pilot was unable to correct the airplane’s track, and the right wing and horizontal stabilizer impacted the ground. The pilot stated that, after the airplane stopped, he was unable to straighten the tailwheel with the rudder control inputs because the tailwheel was bent.
Postaccident metallurgical examination of the tailwheel suspension system revealed fractures within the welds of the assembly and a fatigue fracture at the bolt hole for mounting the tailwheel. The crack fracture surfaces exhibited orange and dark red corrosion, suggesting that the cracks were preexisting, and the fracture surfaces were consistent with overstress. The assembly also exhibited general twisting deformation, primarily as the result of deformation in the pivot bracket.
Probable Cause: The failure of the tailwheel suspension assembly during landing due to preexisting fatigue fractures in the suspension system, which resulted in a loss of directional control.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2017 16:48 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation