ASN Wikibase Occurrence # 352661
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| Date: | Wednesday 8 September 1999 |
| Time: | 16:30 LT |
| Type: |  Stinson 108-2 |
| Owner/operator: | Private |
| Registration: | N97978 |
| MSN: | 108-978 |
| Year of manufacture: | 1946 |
| Engine model: | Lycoming O-435 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chugiak, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Birchwood, AK (BCV) |
| (KBCV) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The first pilot, a certificated flight instructor, was providing tailwheel transition flight instruction to the second pilot, a certificated private pilot. The first pilot said that eight successful stop and go landings had been accomplished prior to the accident landing. He said that while landing on runway 19 and during the landing roll, the second pilot applied the brakes. The airplane subsequently ground looped to the right, and the left wing struck the ground, resulting in substantial damage to the left wing. The first pilot said that brake pedals were only installed at the left side pilot position. After the accident, the second pilot related to the first pilot that during brake application, the left brake pedal 'felt mushy' and was less effective than the right brake. An FAA airworthiness inspector examined the airplane at the accident airport, and reported signs of brake fluid leaking from the left brake assembly. He added that disassembly of the left brake assembly revealed 'severely weathered and worn seals.'
Probable Cause: A partial failure of the brake system. A factor associated with the accident was a leaking brake system.
Accident investigation:
 |
|
Sources:
NTSB ANC99LA137
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 12:53 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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