Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing into a river in Washington DC on Wednesday have been killed. An American ...

Controller Calls Pilot 'Insane' After Close Call ...

The crash late Wednesday of American Eagle Flight 5342 near Reagan National Airport has brought fresh attention to a technology known as a Traffic Alert and Collision Avoidance System, or TCAS, which ...

A JetBlue A321neo narrowly avoided a collision with another aircraft after receiving a TCAS alert.

Traffic Alert and Collision Avoidance Systems (TCAS): This tech detects when two aircraft are about to converge and gives pilots a warning. The alerts are limited at low altitudes, though, to prevent ...

Commercial planes have technology that helps prevent crashes — but it has limitations, which was highlighted by the accident in Washington. By Niraj Chokshi For decades, airlines, regulators, ...

Pilots told controllers they received a Traffic Alert and Collision Avoidance System notification, or TCAS, then flew higher ...

The Secret Service's alleged misuse of counter-unmanned aircraft systems (C-UAS) caused false Traffic Alert and Collision Avoidance System (TCAS) alerts on commercial and Coast Guard aircraft near ...

The Federal Aviation Administration is investigating why multiple commercial flights about to land at Ronald Reagan National Airport, near Washington D.C., repeatedly received midair collision alerts ...

The Federal Aviation Administration is investigating after several airliners on approach to land at Washington Reagan National Airport Saturday morning received what appear to be false alarms from ...

Aviation experts across the U.S. are warning that hackers could create a new risk for fliers: The system used on airplanes to warn pilots of impending collisions is vulnerable to attack. This ...