Accident Bell 47G-3-B1 N94720,
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ASN Wikibase Occurrence # 362710
 
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Date:Wednesday 4 November 1992
Time:12:05 LT
Type:Silhouette image of generic B47G model; specific model in this crash may look slightly different    
Bell 47G-3-B1
Owner/operator:Colony Helicopters Inc.
Registration: N94720
MSN: 67-159115
Total airframe hrs:6656 hours
Engine model:LYCOMING TVO-435-D1A
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Palm Beach, FL -   United States of America
Phase: En route
Nature:Agricultural
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE AGRICULTURAL PILOT STATED THAT HE HAD COMPLETED HIS SPRAYING AND HAD LANDED, WHEN A GROVE WORKER REQUESTED A RIDE OVER THE GROVE. WHILE MANEUVERING AT 150 FEET, THE ENGINE LOST POWER. DURING THE AUTOROTATION, THE ROTOR RPM DECAYED AND THE HELICOPTER LANDED HARD.

Probable Cause: THE PILOT'S INADEQUATE PREFLIGHT PLANNING. A FACTOR WAS THE PILOT'S FAILURE TO MAINTAIN ROTOR RPM DURING THE AUTOROTATION.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA93LA014
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB MIA93LA014

Location

Revision history:

Date/timeContributorUpdates
18-Mar-2024 09:30 ASN Update Bot Added

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