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.
A cracked nose gear actuator o-ring resulting in hydraulic fluid exhaustion, and collapse of the main gear.
The fatigue fracture of the nosewheel bungee assembly, which restricted the movement of the elevator control. A factor was the inadequate equipment from an unknown source/manufacturer.
The pilot's inadequate compliance with the emergency procedures for his failure to completely pump the main landing gear into the down and locked position. Contributing to the accident was the reported loss of electrical power for undetermined reasons.