Accident Hughes 369HS N3961H,
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ASN Wikibase Occurrence # 367811
 
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Date:Sunday 22 October 1989
Time:14:27 LT
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different    
Hughes 369HS
Owner/operator:Brainerd Helicopter Service
Registration: N3961H
MSN: 520378S
Year of manufacture:1972
Total airframe hrs:6074 hours
Engine model:Allison 250-C20
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Ogilvie, MN -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Unknown
Departure airport:Brainerd, MN (KBRD)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT SAID THAT AFTER DROPPING HIS SLING LOAD, DURING A HELICOPTER FIRE CONTROL OPERATION, HE NOTED A LOSS OF ENGINE RPM. THE ENGINE OUT LIGHT ILLUMINATED FOLLOWED BY THE LOW RPM WARNING AUDIO. AN EMERGENCY AUTOROATION WAS MADE IN A BURNED OUT SWAMPY AREA. AFTER TOUCHDOWN, THE AIRCRAFT ROLLED OVER & WAS DAMAGED. NO PRE-ACCIDENT PART FAILURE OR MALFUNCTION OF THE ENGINE OR SYSTEMS WAS FOUND AND THERE WAS NO EVIDENCE OF A FUEL SUPPLY SHORTAGE.

Probable Cause: LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON. FACTORS RELATED TO THE ACCIDENT WERE: THE UNSUITABLE TERRAIN CONDITIONS IN THE EMERGENCY LANDING AREA.

Accident investigation:
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Investigating agency: NTSB
Report number: MKC90LA016
Status: Investigation completed
Duration: 1 year and 5 months
Download report: Final report

Sources:

NTSB MKC90LA016

History of this aircraft

Other occurrences involving this aircraft
25 March 1995 N3961H Crystal Finger Corporation 0 Burnet, TX sub

Location

Revision history:

Date/timeContributorUpdates
22-Mar-2024 19:05 ASN Update Bot Added

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