Accident Bensen B8M N6572K,
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ASN Wikibase Occurrence # 42483
 
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Date:Saturday 16 March 1991
Time:15:05 LT
Type:Silhouette image of generic b8 model; specific model in this crash may look slightly different    
Bensen B8M
Owner/operator:Spivey, Franklin G.
Registration: N6572K
MSN: S-223
Engine model:MCCULLOCH
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Hartselle, AL -   United States of America
Phase: En route
Nature:Private
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
WITNESSES STATED THAT THE AIRCRAFT WAS FLYING AT ABOUT 200 FEET ABOVE GROUND LEVEL WHEN THE GYROCOPTER'S MAIN ROTOR SEPARATED FROM THE AIRCRAFT. INVESTIGATION REVEALED THAT THE COMMERCIAL PILOT, WHO WAS NOT RATED IN GYROCOPTER'S HAD BUILT AND DID ALL THE MAINTENANCE ON THE GYROCOPTER. FURTHER INVESTIGATION REVEALED THAT THE RETAINER WASHER WAS MISSING FROM THE MAIN ROTOR BEARING BLOCK ASSEMBLY.

Probable Cause: THE IMPROPER INSTALLATION OF THE MAIN ROTOR BEARING BLOCK BY THE OWNER/PILOT WHICH RESULTED IN THE SEPARATION OF THE MAIN ROTOR SYSTEM.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ATL91LA066
Status: Investigation completed
Duration: 2 years 1 month
Download report: Final report

Sources:

NTSB ATL91LA066

Location

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]
21-Apr-2024 07:47 ASN Update Bot Updated [Time, Operator, Other fatalities, Source, Narrative, Category, Accident report]

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