Final answer:
The objectives of automatic dependent surveillance (ADS) include enhancing air traffic control communications and improving aircraft navigation and situational awareness. ADS systems are not used for monitoring passengers or cargo, nor do they directly regulate airspace restrictions.
Step-by-step explanation:
The objectives of automatic dependent surveillance systems, which include ADS-A (Automatic Dependent Surveillance-Addressed) and ADS-B (Automatic Dependent Surveillance-Broadcast), are primarily to enhance air traffic management. The correct answers to the question would be A and B:
- Enhance air traffic control communications: ADS systems improve communication between air traffic controllers and aircraft, providing real-time data on aircraft location, speed, and other flight information.
- Improve aircraft navigation and situational awareness: These systems allow for better awareness of the aircraft's surroundings, reducing the risk of mid-air collisions and aiding in traffic flow management.
Options C and D do not represent objectives of ADS systems. These systems are not used to monitor airline passengers and cargo (C), nor are they used to regulate airspace restrictions directly (D).