Coverage depends on ground receiver reception and is not a complete picture of traffic.
The hex code is the aircraft's ICAO 24-bit address, broadcast by its ADS-B transponder. It is the key used to match live position reports to this registration.
The pilot's improper decision to depart from an off-airport surface covered with standing water, which resulted in a noseover.
The pilot's excessive brake application during the landing roll resulting in a nose over.
The pilot's failure to maintain directional control during the takeoff roll and liftoff, which resulted in a collision with trees and the ground.
The student pilot's failure to obtain/maintain adequate airspeed during takeoff-initial climb, which resulted in an in-flight collision with trees. Factors associated with the accident are a tailwind and diminished braking capability.
The inadequate supervision of the student pilot by the instructor. Factors associated with the accident are the snow-covered runway and the loss of directional control by the student pilot.