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ASN Wikibase Occurrence # 43449
Last updated: 27 July 2017
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Date:24-MAY-1988
Time:19:46
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different
Aérospatiale AS 350D Astar
Owner/operator:Era Helicopters Inc
Registration: N353EH
C/n / msn: 1338
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:4
Airplane damage: Written off (damaged beyond repair)
Category:Accident
Location:1/2 Mile S of Dillingham Airport, Dillingham, Alaska -   United States of America
Phase: En route
Nature:Cargo
Departure airport:Dillingham, Alasaka (DLG/PADL)
Destination airport:Hagemeister Island, Alaska
Investigating agency: National Transport Safety Bureau (NTSB)
Narrative:
A CESSNA U206G AIRPLANE (REGISTRATION N4882U) AND AN AEROSPATIALE AS 350D HELICOPTER (REGISTRATION N353EH) COLLIDED IN MIDAIR ONE-HALF MILE SOUTH OF THE DILLINGHAM AIRPORT, DILLINGHAM, ALASKA. BOTH AIRCRAFT HAD BEEN COMMUNICATING WITH THE DILLINGHAM FLIGHT SERVICE STATION, AND HAD RECEIVED THE APPROPRIATE FLIGHT ADVISORIES. THE CESSNA WAS PRACTICING LANDINGS, AND HAD JUST DEPARTED RUNWAY 19 WHEN IT WAS STRUCK FROM THE LEFT SIDE AT AN ALTITUDE OF APPROXIMATELY 400 FT AGL BY THE AS 350D. THE HELICOPTER WAS ON A 14 CFR PART 135 CARGO ONLY FLIGHT, AND WAS IN LEVEL CRUISE OR A SLIGHT CLIMB AT THE TIME OF THE ACCIDENT. WITNESSES RELATED THAT NEITHER AIRCRAFT TOOK EVASIVE ACTION PRIOR TO IMPACT. THE HELICOPTER'S MAIN ROTOR HUB AND TAIL BOOM SEPARATED PRIOR TO GROUND IMPACT, AND THE CESSNA'S TAIL SECTION SEPARATED AND RIGHT WING FOLDED PRIOR TO GROUND IMPACT. TAIL ROTOR BLADE STRIKES WERE VISIBLE ON THE BOTTOM AND RIGHT SIDE OF THE CESSNA, AND MAIN ROTOR BLADE STRIKES WERE VISIBLE ON THE RIGHT SIDE OF THE FUSELAGE.

BOTH PERSONS ON BOARD THE AS 350D WERE KILLED AS WERE ALL FOUR PERSONS ON BOARD THE CESSNA

Sources:

1. NTSB: http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X25587&key=2
2. http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=353EH
3. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=11567
4. http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X25587&key=2
5. http://www.helis.com/database/cn/35297/
6. http://planecrashmap.com/plane/ak/N353EH/
7. http://coptercrazy.brinkster.net/search/se350show.asp?start=301&count=50


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
30-Jun-2014 19:23 Dr. John Smith Updated [Time, Aircraft type, Operator, Total occupants, Total fatalities, Other fatalities, Location, Nature, Departure airport, Destination airport, Source, Narrative]
30-Jun-2014 19:24 Dr. John Smith Updated [Source]
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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