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 failure to maintain directional control during the landing roll, which resulted in a ground loop.
The pilot's loss of directional control during a bounced landing, which resulted in a runway excursion.
Aircraft control was not possible by the flight instructor due to the inadequate maintenance adjustment of the tail wheel steering system by maintenance personnel. Factors were the inadequate aircraft preflight by the second pilot who was receiving a recurrency check ride, and the inadequate supervision, of the second pilot who was performing the preflight, by the flight instructor.
The pilot's failure to maintain control of the aircraft during landing roll.