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 passenger’s inadvertent application of brakes during landing that resulted in a nose over.
The pilot's inadvertent activation of the fuel boost pump selector switch during final approach, which resulted in an overly rich mixture and subsequent loss of engine power.
The pilots failure to maintain terrain clearance during the downslope, downwind, high altitude, takeoff. Factors were the snow and lighting conditions, and the tailwind takeoff.