ASN Wikibase Occurrence # 39233
Last updated: 29 July 2014
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Date:09-MAR-1990
Time:0900
Type:Silhouette image of generic S58P model; specific model in this crash may look slightly different
Sikorsky SH-34J (S-58A)
Owner/operator:Liberty Helicopters
Registration: N4875M
C/n / msn: 58-1219
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:Cross, SC -   United States of America
Phase: En route
Nature:Ferry/positioning
Departure airport:
Destination airport:
Narrative:
THE PILOT HAD COMPLETED ABOUT ONE HOUR OF LOGGING AND WAS EN ROUTE TO THE REFUELING POINT. THE ENGINE QUIT WHEN THE HELICOPTER WAS ABOUT 200 FT OVER A WOODED AREA. WITNESSES OBSERVED THE HELICOPTER IN A NOSE HIGH ATTITUDE, FOLLOWED BY SLOWING OF THE MAIN ROTOR BLADES. ONE WITNESS RECALLED THE HELICOPTER ROTATED ABOUT 180 DEG BEFORE COLLIDING WITH TREES. THE PILOT WAS REMOVED FROM THE HELICOPTER BEFORE IT BURST INTO FLAMES & WAS DESTROYED. BEFORE THE PILOT DIED, HE REPORTED THE FUEL GAGE WAS INDICATING BETWEEN 100 AND 200 LBS BEFORE IT CRASHED. AN EXAM OF THE HELICOPTER FAILED TO REVEAL ANY PREIMPACT MECHANICAL PROBLEMS. THE OPERATING POLICY WAS TO REFUEL WITH 800 POUNDS OF FUEL PLUS 200 POUNDS AS A SAFETY NET. AT 200 FT AGL, A FORWARD SPEED OF OVER 48 MPH WOULD HAVE BEEN NEEDED TO BE OUT OF THE SHADED AREA OF THE HEIGHT-VELOCITY CHART FOR THIS HELICOPTER. CAUSE: IMPROPER PLANNING/DECISION BY THE PILOT, WHICH RESULTED IN FUEL EXHAUSTION DUE TO AN INADEQUATE SUPPLY OF FUEL, AND HIS FAILURE TO FLY THE HELICOPTER IN SUCH A MANNER THAT WOULD HAVE ASSURED SUFFICIENT ROTOR RPM FOR AN AUTOROTATION. (ex US Navy 147987)

Sources:
http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001212X22657&key=1


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
24-Aug-2010 05:39 TB Updated [Aircraft type, Other fatalities]
24-Aug-2010 08:35 TB Updated [Aircraft type, Cn, Nature, Narrative]
19-Apr-2012 11:03 TB Updated [Source]
Number of views: 662

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