When two aircraft are unknowingly on a collision course, TCAS - the Traffic Collision Avoidance System — comes alive. Alarms echo through the cockpit as the transponders on both jets communicate, ...

WASHINGTON — The National Transportation Safety Board began its third and final day of investigative hearings Friday to reveal new information and question experts about the fatal collision of a U.S.

The high workload of an air traffic controller at Delhi airport resulted in two traffic collision avoidance system (TCAS) alerts between an Airbus A320 of Vistara Airlines and a Boeing 787-8 of ...

WASHINGTON — The aircraft involved in the mid-air collision earlier this year over Ronald Reagan National Airport lacked certain collision avoidance systems that could have helped an Army helicopter ...

Using the Detect and Avoid System, the MQ-9B operated in U.S. airspace like any other piloted aircraft, without the need for the special handling usually required for UAS. The U.S. Navy’s Naval Air ...