ASN Wikibase Occurrence # 378137
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| Date: | Thursday 8 November 1984 |
| Time: | 11:45 LT |
| Type: |  Cessna 185C |
| Owner/operator: | Rocjard Ziesmer |
| Registration: | N5831T |
| MSN: | 1850731 |
| Total airframe hrs: | 4000 hours |
| Engine model: | Continental IO-470-F |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Williston, ND -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Great Falls, MT | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT COLLIDED WITH A BRIDGE DURING AN ABORTED TAKEOFF AFTER FAILING TO GET AIRBORNE. THE PLT ABORTED THE TAKEOFF BUTTHE ACFT FAILED TO STOP IN TIME TO AVOID A COLLISION WITH A RAILROAD BRIDGE ABUTMENT MADE OF CONCRETE. THE PLT STATED THAT THE ACFT HAD BEEN SUBJECTED TO SUB-FREEZING TEMPS WITH WATER INSIDE THE PONTOONS. THE SWELLING FROM THE FREEZING WATER (ICE) COMPROMISED THE FLOATS WHICH DEVELOPED LEAKS OF SEVERE NATURE; ENOUGH TO ALLOW THE ACFT TO SINK IN AN EST TWO HOURS. THE REASON THE ACFT DID NOT SINK WHEN LEFT UNATTENTED FOR 2 WKS WAS BECAUSE IT WAS AGROUND. WHEN THE PLT PUMPED THE WATER (NO ICE INSIDE ACCORDING TO HIM) OUT AND LAUNCHED THE ACFT HE MADE NO FURTHER PRE-FLT CHECKS BUT IMMEDIATELY STARTED A TAKEOFF TAXI.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN85LA024
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 20:14 | ASN Update Bot | Added |
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