Summary
On June 04, 1989, a Cushing 4 (N5321U) was involved in an accident near Mansfield, WA. The accident resulted in 2 fatal injuries. The aircraft was destroyed.
The National Transportation Safety Board determined the probable cause of this accident to be: FAILURE OF THE LEFT WING MAIN SPAR DUE TO OVERLOAD FOR UNDETERMINED REASONS.
This accident is documented in NTSB report SEA89FA099. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N5321U.
Accident Details
Probable Cause and Findings
FAILURE OF THE LEFT WING MAIN SPAR DUE TO OVERLOAD FOR UNDETERMINED REASONS.
Aircraft Information
Registered Owner (Historical)
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# SEA89FA099