ASN Wikibase Occurrence # 43434
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Date: | Tuesday 28 November 1989 |
Time: | 14:45 |
Type: | Aérospatiale SA 316B Alouette III |
Owner/operator: | Rocky Mountain Helicopters |
Registration: | N62268 |
MSN: | 2046 |
Total airframe hrs: | 8692 hours |
Fatalities: | Fatalities: 1 / Occupants: 6 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Park City, UT -
United States of America
|
Phase: | Take off |
Nature: | External load operation |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE HELICOPTER WAS BEING USED ON AN EXTERNAL LOAD OPERATION TO MOVE EQUIPMENT FROM THE SIDE OF A MOUNTAIN. A 100 FT CABLE WAS STILL ATTACHED TO THE HELICOPTER WHEN WORKERS NEEDED TO BE TRANSPORTED UP THE HILL. WITNESSES REPORTED THE PILOT INITIATED A NORMAL TAKEOFF, INSTEAD OF A VERTICAL TAKEOFF, WHICH HE HAD BEEN USING WITH THE CABLE ATTACHED. DURING THE TAKEOFF, THE HOOK ON THE END OF THE CABLE SNAGGED ON AN EQUIPMENT TRAILER. THE HOOK BROKE FREE OF THE TRAILER AND THE CABLE REBOUNDED INTO THE MAIN ROTOR BLADES. THE HELICOPTER THEN BECAME UNCONTROLLABLE AND CRASHED. CAUSE: FAILURE OF THE PILOT TO MAKE A VERTICAL TAKEOFF, WHILE DEPARTING WITH A CABLE ATTACHED, AND HIS FAILURE TO INSURE THE CABLE REMAINED CLEAR OF THE TRAILER. THE TRAILER (VEHICLE) WAS A CONTRIBUTING FACTOR.
Sources:
NTSB:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X29777 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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