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ASN Wikibase Occurrence # 42586
Last updated: 17 February 2021
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Date:22-MAY-1989
Time:07:08
Type:Silhouette image of generic UH1 model; specific model in this crash may look slightly different
Bell UH-1B
Owner/operator:Precision Air Services
Registration: N508SC
C/n / msn: 60-3594
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Oldtown, MD -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:Warrior Mtn, MD
Destination airport:
Investigating agency: NTSB
Narrative:
WHILE SPRAYING OVER HILLY/WOODED TERRAIN FOR CONTROL OF GYPSY MOTHS, THE HELICOPTER COLLIDED WITH TWO 3/8 INCH SHIELD CABLES (ATOP A PWR LINE) NEAR THE BOUNDARY OF THE AREA TO BE SPRAYED. WITNESSES SAW SPRAY COMING OUT OF THE SPRAY BOOMSAT THE TIME OF THE COLLISION. THE NOSE OF THE HELICOPTER THEN RAISE UP & FELL TO THE RIGHT BEFORE THE HELICOPTER CRASHEDON THE SIDE OF A HILL. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE HELICOPTER WAS FOUND. THE HELICOPTER WAS NOT EQUIPPED WITH A WIRE CUTTER KIT. CAUSE: FAILURE OF THE PILOT TO SEE-AND-AVOID THE OBSTRUCTION (INADEQUATE VISUAL LOOKOUT). FACTORS RELATED TO THE ACCIDENT WERE: THE OBSTRUCTION (STATIC WIRES), AND THE LACK OF VISUAL CUES FOR THE PILOT TO DETECT THE WIRES.

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X28250


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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