What does TCAS stand for?

TCAS stands for Traffic Collision and Avoidance System. This is a crucial system used in aviation to enhance flight safety by providing pilots with information about nearby aircraft to prevent mid-air collisions. TCAS monitors the airspace around the aircraft and alerts the crew to any potential collisions with other aircraft, offering instructions on appropriate avoidance maneuvers when necessary. Its functionality is vital for maintaining safe distances between aircraft, especially in busy airspace and during critical phases of flight.

The other options don't accurately describe the system's primary function and purpose. For example, terms like "Traffic Command" or "Traffic Control" may suggest operational control or management aspects rather than the collision avoidance focus that TCAS entails. Hence, understanding TCAS as Traffic Collision and Avoidance System emphasizes its role in enhancing situational awareness and ensuring safety in the skies.