Question id 198 - Radio Navigation - ATPL - Airline Transport Pilot license

Collision avoidance using TCAS II and improved long range (HF) communication capability.
Air to ground and ground to air data link communications and improved ATC aircraft surveillance capability
The elimination of ground to air communications and the introduction of automatic separation between aircraft using TCAS II
Continuous automatic position reporting using Global Positioning System (GPS) satellites and collision avoidance using TCAS II

Training tests and timed exam simulations ATPL - Airline Transport Pilot license