ASN logo
ASN Wikibase Occurrence # 39327
Last updated: 23 October 2020
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Date:02-SEP-1989
Time:00:00
Type:Silhouette image of generic VEZE model; specific model in this crash may look slightly different
Rutan VariEze
Owner/operator:private
Registration: N393D
C/n / msn: 393
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:California City, CA -   United States of America
Phase: En route
Nature:Private
Departure airport:(L71)
Destination airport:
Investigating agency: NTSB
Narrative:
THE PIC/OWNER/BUILDER DEPARTED CALIFORNIA CITY, CA, ON A LOCAL PERSONAL FLIGHT. A GND WITNESS REPORTED THE AIRPLANE WAS AT A HIGH ALTITUDE IN LEVEL FLIGHT WHEN SUDDENLY THE WINGS FOLDED. THE AIRPLANE THEN DESCENDED OUT OF CONTROL INTO A LAKE BED. WRECKAGE EXAMINATION DISCLOSED THAT ONE SET OF THE WING ATTACHMENT PLATE TAPER CONES AND THE RETAINING BOLTS WERE MISSING. THE REMAINING TAPER CONES WERE NOT SEATED PROPERLY AND THE RETAINING BOLTS WERE STRETCHED AND NECKED DOWN WHICH ARE CHARTERISTIC OF OVERTORQUING. THE REMAINING BOLTS APPEARED TO HAVE BEEN OVERTORQUED IN ORDER TO SEAT THEIR RESPECTIVE ATTACH CONES. CAUSE: THE WING FAILED DUE TO THE PILOT/OWNERS OVERTORQUING THE WING BOLTS AND THE IMPROPER INSTALLATION OF THE WING ATTACH PLATES/CONES.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X29392


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]

Corrections or additions? ... Edit this accident description