TCAS - Traffic Collision Avoidance System; Detects other air traffic in its airspace and instructs crew to take avoiding action. The TCAS Course is implemented to show the candidate the value of the traffic avoidance technologies required on modern days commercial aircraft.  To see video of a TCAS alert click

http://www.youtube.com/watch?v=z-6zF9PEtdU&feature=fvwrel