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 loss of directional control during the landing roll.
The pilot's inadequate in-flight decision by failing to refuel while en route, resulting in fuel exhaustion. Contributing to the accident were a proper touchdown point was not possible and the inadequate display of the fuel quantity indicator.
The pilot's improper remedial action to regain directional control after takeoff. A factor was the pilot's failure to maintain directional control after takeoff.