ASN Wikibase Occurrence # 37305
Last updated: 2 October 2014
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Date:20-APR-1985
Time:
Type:Silhouette image of generic S58T model; specific model in this crash may look slightly different
Sikorsky S-58ET
Owner/operator:Carson Helicopters
Registration: N65526
C/n / msn: 58-750
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:Gulf of Mexico -   United States of America
Phase: En route
Nature:Ferry/positioning
Departure airport:Key West, FL (EYW)
Destination airport:Ft. Pierce, FL (FPR)
Narrative:
THE HELICOPTER DISAPPEARED WHILE ON AN OVERWATER FLT FROM KEY WEST, FL TO FT PEIRCE, FL. ONE OCCUPANT & THE WRECKAGE OF THE HELICOPTER WERE SUBSEQUENTLY RECOVERED FROM THE GULF OF MEXICO. THE PLT & THE OTHER OCCUPANT WERE NOT LOCATED & WERE PRESUMED DEAD. PRIOR TO DEPARTURE, 1 OF THE CREWMEMBERS WAS OVERHEARD TO SAY 'THAT DIDN'T SOUND GOOD'REFERRING TO SOME UNUSUAL SOUND AT THE TIME OF SHUT-DOWN. THE PLT TOLD A WITNESS THEY WERE HAVING MECHANICAL DIFFICULTY WHICH THEY WOULD CORRECT IN FT PIERCE. ANOTHER WITNESS HEARD THE PLT STATE TO 1 OF THE PAX THAT A CAP OR PART HAD FALLEN OFF & WAS MISSING. AN EXAM OF THE ROTATING & STATIONARY SWASHPLATES WHICH MADE UP THE STAR ASS'Y REVEALED THAT THEY HAD SEPARATED FROM EACH OTHER. A METALLURGICAL EXAM REVEALED THAT 8 OF THE 12 BOLTS WHICH SECURED THE ROTATING STAR INNER RACE TO THE ASS'Y HAD FAILED IN FATIGUE; THE OTHER 4 BOLTS WERE MISSING. THERE WAS EXTENSIVE DAMAGE TO THE BELLY, TAIL CONE & PYLON. CAUSE:
Ex German Air Force H-34G-I 80+09

Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X36255


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
20-Jul-2010 11:56 TB Updated [Other fatalities, Country, Phase, Narrative]
Number of views: 769

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