ASN Wikibase Occurrence # 21805
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| Date: | Sunday 6 July 2008 |
| Time: | 12:15 |
| Type: |  Columbia 400 |
| Owner/operator: | Mccormick Enterprises Inc |
| Registration: | N2544W |
| MSN: | 41530 |
| Total airframe hrs: | 46 hours |
| Engine model: | Continental TSIO-550 SER |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Friedman Memorial Airport, Hailey, ID -
 United States of America
|
| Phase: | Taxi |
| Nature: | Private |
| Departure airport: | Hailey, ID (SUN) |
| Boise, ID (BOI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was designed to use differential braking for directional control while taxiing. The pilot reported that while taxiing for departure, the right brake failed. Subsequently, the airplane departed the left side of the taxiway, impacted a pole and went down an embankment, striking an airport perimeter fence. The left composite wing tip was split open and the wing's leading edge had an 8- to 10-inch chordwise rip in it. Postaccident examination of the airplane by a Federal Aviation Administration inspector found that the right brake O-ring in the piston that operates the caliper was hard and flat. When brake fluid was put in the system and the brakes were pumped, the brake fluid was observed to pass directly through the right-hand caliper onto the ground.
Probable Cause: The loss of directional control while taxiing due to the failure of the right brake.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Jul-2008 11:38 | Fusko | Added |
| 07-Jan-2011 01:58 | Alpine Flight | Updated [Aircraft type] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 11:25 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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