Accident Hiller UH-12C N46937,
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ASN Wikibase Occurrence # 363516
 
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Date:Tuesday 9 June 1992
Time:13:50 LT
Type:Silhouette image of generic UH12 model; specific model in this crash may look slightly different    
Hiller UH-12C
Owner/operator:Private
Registration: N46937
MSN: 862
Total airframe hrs:3703 hours
Engine model:FRANKLIN GV3354B
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Punta Gorda, FL -   United States of America
Phase: En route
Nature:Survey
Departure airport:Labelle, FL (X14)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE AIRCRAFT WAS REFUELED TO CAPACITY AND DEPARTED AT 1045 LOCAL TIME. AT 1250 LOCAL TIME THE FLIGHT EXPEREINCED COMPLETE LOSS OF ENGINE POWER AND WHILE MAKING AN AUTOROTATIVE LANDING THE HELICOPTER TOUCHED DOWN HARD. POSTCRASH EXAMINATION OF THE HELICOPTER BY FAA INSPECTORS REVEALED THE HELICOPTER CONTAINED ABOUT 2 QUARTS OF FUEL. NO EVIDENCE OF PRECRASH OR POSTCRASH FUEL LEAKAGE WAS NOTED. THE AIRCRAFT HAS A 26.5 USABLE FUEL CAPACITY AND CONSUMES ABOUT 13 GALLONS PER HOUR. THE AIRCRAFT HAD BEEN FLYING 2 HOURS 5 MINUTES AT THE TIME OF ENGINE FAILURE.

Probable Cause: THE PILOT IN COMMAND'S FAILURE TO MONITOR FUEL CONSUMPTION AND FLIGHT TIME RESULTING IN EXHAUSTION OF FUEL AND ENGINE FAILURE. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT IN COMMAND'S IMPROPER AUTOROTATION FOLLOWING ENGINE FAILURE WHICH RESULTED IN A HARD LANDING.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA92LA135
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report

Sources:

NTSB MIA92LA135

History of this aircraft

Other occurrences involving this aircraft
20 May 1993 N46937 Private 0 Sarasota, FL sub

Revision history:

Date/timeContributorUpdates
18-Mar-2024 18:09 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

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