Add Yahoo as a preferred source to see more of our stories on Google. What 'rush hour' looks like in New York on the TCAS system. (Alamy) Authorities believe everyone on board a passenger plane and a ...

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 ...

The aircraft is facing yet another setback stemming from persistent TCAS issues.

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, ...

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 ...