What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Glider departed Truckee, CA airport (trk) at 1258PST on 9/2/18 with two occupants via an aero tow.
Water balast tanks were not filled on glider.
Glider was observed flying north to south along the east side of mount rose (slide mountain) in Washoe valley, NV at approximately 8,000 ft, MSL.
Glider was observed rolling backwards.
A loud pop was heard and the left inboard section of the wing was observed departing the aircraft.
The aircraft was observed spinning left with a steep nose low attitude and then it contacted the ground at 1330 PST.
A post accident fire consumed the wreckage and resulted in a 50 acre forest fire.
The inboard left wing, part of the aileron and small pieces of the canopy were found 5OO meters north of the impact site.
As the FAA filed it
GLIDER DEPARTED TRUCKEE, CA AIRPORT (TRK) AT 1258PST ON 9/2/18 WITH TWO OCCUPANTS VIA AN AERO TOW.
WATER BALAST TANKS WERE NOT FILLED ON GLIDER.
GLIDER WAS OBSERVED FLYING NORTH TO SOUTH ALONG THE EAST SIDE OF MOUNT ROSE (SLIDE MOUNTAIN) IN WASHOE VALLEY, NV AT APPROXIMATELY 8,000 FT, MSL.
GLIDER WAS OBSERVED ROLLING BACKWARDS.
A LOUD POP WAS HEARD AND THE LEFT INBOARD SECTION OF THE WING WAS OBSERVED DEPARTING THE AIRCRAFT.
THE AIRCRAFT WAS OBSERVED SPINNING LEFT WITH A STEEP NOSE LOW ATTITUDE AND THEN IT CONTACTED THE GROUND AT 1330 PST.
A POST ACCIDENT FIRE CONSUMED THE WRECKAGE AND RESULTED IN A 50 ACRE FOREST FIRE.
THE INBOARD LEFT WING, PART OF THE AILERON AND SMALL PIECES OF THE CANOPY WERE FOUND 5OO METERS NORTH OF THE IMPACT SITE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.