DALLAS — A Traffic Alert and Collision Avoidance System (TCAS), or an Airborne Collision Avoidance System (ACAS), is an anti-collision system that prevents mid-air collisions (MACs) between airplanes.

The FAA launched an investigation into multiple mid-air collision warnings heard by more than a dozen flights on the approach ...

The FAA said that several flight crews inbound to the Reagan National Airport reported onboard alerts when no other aircraft ...

The Federal Aviation Administration is investigating why multiple commercial flights about to land at Ronald Reagan National ...

In one blitz just after 9 a.m., six similar false alerts were reported within 11 minutes of each other, according to the news ...

After plane crash, Michigan rep's bill would direct Pentagon to study feasibility of installing crash-avoidance systems on ...

False mid-air collision warnings over Washington DC airport investigated in aftermath of deadly crash - Flights inbound to ...

the system calculates if there’s a potential for collision. If it finds there’s a potential, it will instruct the pilots via audible alerts and displayed instructions to watch for traffic ...