Accident Hughes 369HS N9146F,
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ASN Wikibase Occurrence # 377071
 
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Date:Friday 7 June 1985
Time:17:45 LT
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different    
Hughes 369HS
Owner/operator:South Carolina Helicopter Inc.
Registration: N9146F
MSN: 830508S
Year of manufacture:1973
Total airframe hrs:1840 hours
Engine model:Allison 250-C18A
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Aiken, SC -   United States of America
Phase: Landing
Nature:Executive
Departure airport:Saluda, SC
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DURING A LANDING, THE ENG LOST POWER & THE HELICOPTER TOUCHED DOWN HARD. THE PLT STATED THAT PRIOR TO THE 15 MIN FLT, THE FUEL GAGE WAS INDICATING 125 LBS OF FUEL & AT THE ACCIDENT SITE IT INDICATED 90 LBS OF FUEL. A POST CRASH INSPECTION OF THE FUEL SYSTEM REVEALED THAT 3 SUPPORT BRACKETS WERE NOT INSTALLED IN THE FUEL CELL & ONLY A TRACE OF FUEL WAS REMAINING. THE ABSENCE OF THE BRACKETS PERMITTED THE FUEL CELL TO COLLAPSE AS FUEL WAS CONSUMED & RESULTED IN ERRONEOUS FUEL GAGE READINGS. THE FUEL LOW CAUTION INDICATOR WAS ALSO FOUND TO BE INOPERATIVE DUE TO A CANNON PLUG THAT WAS IMPROPERLY WIRED.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ATL85LA183
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB ATL85LA183

Location

Revision history:

Date/timeContributorUpdates
30-Mar-2024 07:55 ASN Update Bot Added

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