Summary
On June 30, 1989, a Piper PA-28-180 (N56759) was involved in an accident near Snoqualmie Pass, WA. The accident resulted in 2 serious injuries, with 1 person uninjured out of 3 aboard. The aircraft was destroyed.
The National Transportation Safety Board determined the probable cause of this accident to be: IMPROPER IN-FLIGHT PLANNING/DESCISION BY THE PILOT, WHICH RESULTED IN THE AIRCRAFT ENTERING A BOX CANYON WITH INSUFFICIENT SPEED AND ALTITUDE TO MANEUVER OUT OF THE CONFINED AREA. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S CONTINUED FLIGHT INTO KNOWN ADVERSE WEATHER CONDITIONS AND THE TERRAIN AND WEATHER CONDITIONS.
This accident is documented in NTSB report SEA89LA127. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N56759.
Accident Details
Probable Cause and Findings
IMPROPER IN-FLIGHT PLANNING/DESCISION BY THE PILOT, WHICH RESULTED IN THE AIRCRAFT ENTERING A BOX CANYON WITH INSUFFICIENT SPEED AND ALTITUDE TO MANEUVER OUT OF THE CONFINED AREA. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S CONTINUED FLIGHT INTO KNOWN ADVERSE WEATHER CONDITIONS AND THE TERRAIN AND WEATHER CONDITIONS.
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# SEA89LA127