What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Aircraft was on routine flight from yakima WA (kwkm) to riverview airpark (91WT) when the aircraft encountered weather system or thunderstorm close to mountain peak resulting in reverse course turn impacting the terrain 200 feet downslope in the snow-covered peak.
As the FAA filed it
AIRCRAFT WAS ON ROUTINE FLIGHT FROM YAKIMA WA (KWKM) TO RIVERVIEW AIRPARK (91WT) WHEN THE AIRCRAFT ENCOUNTERED WEATHER SYSTEM OR THUNDERSTORM CLOSE TO MOUNTAIN PEAK RESULTING IN REVERSE COURSE TURN IMPACTING THE TERRAIN 200 FEET DOWNSLOPE IN THE SNOW-COVERED PEAK.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.