A midair collision between a U.S. Army Black Hawk helicopter and an American Airlines regional jet approaching Washington, D.C.'s Reagan National Airport has sparked urgent concerns about air-traffic ...

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 ...

As the investigation begins into the cause of the mid-air crash between an American Airlines regional passenger jet and a U.S. army Black Hawk helicopter, questions have been raised about the role ...

What 'rush hour' looks like in New York on the TCAS system. (Alamy) Authorities believe everyone on board a passenger plane and a US Army helicopter that collided in mid-air before crashing into a ...

Obviously encouraged by the fact that no midair accidents involving commercial aircraft have taken place since traffic alert and collision avoidance systems (TCAS ...

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, ...

Two passenger jets narrowly avoided a collision in Houston after a wrong turn, highlighting runway safety risks and the ...

What Are Tricyclic and Tetracyclic Antidepressants? Tricyclic antidepressants (TCAs) and tetracyclic antidepressants were some of the first medications to treat depression. The difference between ...

Answer: You ALWAYS follow the TCAS command. There was a tragic collision between a Tupolev 154 and a Boeing 757 because of exactly this question. The Tupolev followed the controller command while the ...

There will be no TCA press tours in 2025 as Hollywood looks for ways to cut costs. By Tony Maglio The latest example of cost-cutting and consolidation in Hollywood? The canceled Television Critics ...

Tricyclic antidepressants (TCAs) are a class of drugs that have approval from the U.S. Food and Drug Administration (FDA) to treat depression. They work by increasing the levels of brain chemicals ...