ASN Wikibase Occurrence # 43458
Last updated: 24 May 2013
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Date:09-JUL-1994
Time:1948
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different
Aérospatiale AS 350B2
Operator:Rocky Mountain Helicopters
Registration: N95LG
C/n / msn: 2389
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:Granite, CO -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Ambulance
Departure airport:Frisco, CO (91CO)
Destination airport:
Narrative:
THE AIR AMBULANCE (EMS) HELICOPTER WAS DISPATCHED TO PICK UP AN INJURED HIKER ON A 14,000' MOUNTAIN. TERRAIN AT THE PICKUP POINT WAS AT AN ELEVATION OF ABOUT 12,200' AND SLOPED APPROXIMATELY 35 DEGREES. GROUND RESCUE PERSONNEL SAID THE PILOT ADVISED THEM HE WOULD PLACE THE HELICOPTER'S RIGHT SKID ON THE MOUNTAIN SLOPE TO ALLOW THEM TO LOAD THE PATIENT ON THE DOWNHILL SIDE. AS THE HELICOPTER HOVERED ABOVE THEM, THE MAIN ROTOR BLADES STRUCK ROCKS. THE HELICOPTER THEN WENT OVER THEIR HEADS, CRASHED, AND SUBSEQUENTLY TUMBLED ABOUT 800' DOWN THE MOUNTAIN. CAUSE: FAILURE OF THE PILOT TO ASSURE MAIN ROTOR CLEARANCE FROM SLOPING TERRAIN WHILE IN A HOVER. THE TERRAIN CONDITION WAS A RELATED FACTOR.

Sources:
NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001206X01729


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
07-Feb-2009 10:35 harro Updated
20-Aug-2010 04:26 TB Updated [Operator, Other fatalities]
Number of views: 639

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