Accident Bensen B8M N7045,
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ASN Wikibase Occurrence # 38899
 
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Date:Saturday 18 June 1983
Time:18:30
Type:Silhouette image of generic b8 model; specific model in this crash may look slightly different    
Bensen B8M
Owner/operator:Private
Registration: N7045
MSN: 4711
Engine model:CONTINENTAL A&C 75
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Santa Maria, CA -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Santa Maria, CA (0CR1)
Destination airport:Santa Maria, CA (0CR1)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE GRYOPLANE WAS OBSERVED TO DEPART FROM CONTROLLED FLT AT OR BELOW 800 FT AGL & THE PLT BECAME SEPARATED FROM THE ACFT. BOTH IMPACTED THE GROUND IN A NEAR VERTICAL DESCENT ABOUT 40 FT APART. THE PLT'S BLOOD ALCOHOL CONTENT WAS 0.13%. THE CLASP ENDS OF THE SEAT BELT STRAPS WERE OPEN. BOTH WEBBINGS OF THE TWO STRAPS WERE IMPREGNATED WITH GREASE & FOREIGNMATERIAL. THE METAL CLASP 'GRIPS' WERE ROUNDED OFF & THE GROOVES BETWEEN THEM CONTAINED FOREIGN MATERIAL. THE LEFT STRAPSTICHING ON THE UPPER EDGE OF THE STRAP WAS WORN & DETERIORATED ALONG A LENGTH OF 6 INCHES IN THE AREA WHERE THE METAL CLASP WOULD NORMALLY BE CLASPED WHEN AROUND AN OCCUPANT. AFTER THE ACCIDENT THE SEAT BELTS WERE CLASPED TOGETHER & SEVERAL HARD TUGS WITH ONE HAND WAS SUFFICIENT TO CAUSE THE SEAT BELT TO COME OPEN. THIS PROCEDURE WAS TESTED SIX TIMES WITH THE SAME RESULTS. CAUSE:

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001214X43431

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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