What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
ADS-B data shows flight was level at FL140 with speed decreasing, then initiated a climb to FL150, leveled off for approx one minute, then entered a steep spiral down to the glacier, coming to rest at 8800 ft MSL. The descent was completed in approx 2 minutes, resulting in a VSI of approx 3100 feet per minute. Pictures of the site revealed a near vertical impact into the glacier
As the FAA filed it
ADS-B DATA SHOWS FLIGHT WAS LEVEL AT FL140 WITH SPEED DECREASING, THEN INITIATED A CLIMB TO FL150, LEVELED OFF FOR APPROX ONE MINUTE, THEN ENTERED A STEEP SPIRAL DOWN TO THE GLACIER, COMING TO REST AT 8800 FT MSL. THE DESCENT WAS COMPLETED IN APPROX 2 MINUTES, RESULTING IN A VSI OF APPROX 3100 FEET PER MINUTE. PICTURES OF THE SITE REVEALED A NEAR VERTICAL IMPACT INTO THE GLACIER
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.