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 ...

The new software Change 7.1 allows the TCAS II to reverse a climb or descent order if a target airplane isn't following the expected trajectory. Bryan Christie Design For the past 30 years, aviation ...

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 ...

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, ...

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 ...

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 ...

TCAS alerts pilots about a possible collision and issues a resolution advisory. (Photo: Pexels) Mid-air collisions of aircraft should have been a thing of the past with the technology that exists in ...

This article was featured in One Great Story, New York’s reading recommendation newsletter. Sign up here to get it nightly. On January 29, at 8:47 p.m., an American Airlines flight landing at Ronald ...

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 ...