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ASN Wikibase Occurrence # 35267
Last updated: 29 May 2017
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Date:11-JUL-1989
Time:14:52 CDT
Type:Silhouette image of generic AS50 model; specific model in this crash may look slightly different
Aérospatiale AS 350D Astar
Owner/operator:Petroleum Helicopters Inc
Registration: N3595B
C/n / msn: 1072
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:1
Airplane damage: Written off (damaged beyond repair)
Category:Accident
Location:Gulf of Mexico, 1.5 miles off Galveston, Texas -   United States of America
Phase: En route
Nature:Executive
Departure airport:Mt 606, Gulf of Mexico
Destination airport:Sabine Pass Heliport, Texas (3XA9)
Investigating agency: National Transport Safety Bureau (NTSB) - United States of America
Narrative:
ON JULY 11 1989, AN AEROSPATIALE AS-350D, REGISTRATION N3595B, WAS IN CRUISE FLIGHT & WAS TRANSITING THRU THE EDGE OF A CONTROL ZONE (NO TOWER OPERATING) AT 1200 FT AMSL FROM SW TO NE, AFTER THE PILOT HAD COMMUNICATED HIS POSITION/DIRECTION OF FLIGHT ON UNICOM FREQUENCY. ALSO, THE PILOT OF BELL 206L-1, N1082H, HAD COMMUNICATED HIS DEPARTURE DIRECTION FROM THE COASTAL AIRPORT, AS HE WAS CLIMBING TO HIS CRUISE ALTITUDE ON A SOUTH-EASTERLY HEADING. SUBSEQUENTLY, THE TWO HELICOPTERS CONVERGED & A MIDAIR COLLISION OCCURRED APPROXIMATELY 1.5 MILES FROM THE COASTLINE OVER THE GULF OF MEXICO. BOTH HELICOPTERS DESCENDED UNCONTROLLED INTO THE GULF WATERS. THE AEROSPATIALE PILOT'S VISION WAS RESTRICTED DOWNWARD & LEFTWARDS BY THE COCKPIT CONSOLE. THE BELL PILOT'S VISION WAS RESTRICTED UPWARD & TO THE RIGHT BY THE DOOR FRAME. THE ANGLE BETWEEN THE FLIGHT PATHS WAS ABOUT 105 DEGREES. BOTH PERSONS ON THE AS350D AND THE PILOT OF THE BELL 206L-1 WERE KILLED

CAUSE OF ACCIDENT: FAILURE OF BOTH PILOTS TO SEE-AND-AVOID THE OTHER AIRCRAFT (INADEQUATE VISUAL LOOKOUT).

Sources:

1. NTSB: http://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20001213X28828&key=1
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=3595B
3. http://aircrashed.com/cause/cFTW89FA133.shtml
4. http://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=11562


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
29-Jun-2014 03:42 Dr. John Smith Updated [Time, Aircraft type, Operator, Other fatalities, Location, Departure airport, Destination airport, Source, Narrative]

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