ASN Wikibase Occurrence # 359987
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| Date: | Friday 12 August 1994 |
| Time: | 18:00 LT |
| Type: |  Helio H-700 |
| Owner/operator: | 40 Mile Air, Ltd |
| Registration: | N4059H |
| MSN: | 09 |
| Total airframe hrs: | 1160 hours |
| Engine model: | LYCOMING TIO-540 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tok, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | , AK (KTKJ) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER LANDING ON THE GRAVEL BAR ON THE ROBERTSON RIVER, THE LEFT WHEEL'S BRAKE 'WENT SOFT.' THE PILOT ALLOWED THE AIRPLANE TO CONTINUE THE LANDING ROLL AND PRIOR TO STRIKING THE DITCH, HE INTENTIONALLY GROUND LOOPED THE AIRPLANE. DURING THE GROUND LOOP THE TAIL WHEEL STRUCK THE DITCH AND THE FUSELAGE BUCKLED. EXAMINATION OF THE AIRPLANE SHOWED THAT THE LEFT BRAKE'S TORQUE PLATE HAD SHEARED AND BROKEN THE BRAKE LINE.
Probable Cause: THE PARTIAL FAILURE OF THE AIRPLANE'S NORMAL BRAKE SYSTEM.
Accident investigation:
 |
|
Sources:
NTSB ANC94LA107
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 16:46 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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