Following the mid-air collision near Washington, DC, that claimed 18 lives, US President Donald Trump questioned why the Army helicopter did not take evasive ... data from the aircraft’s radio ...

The controller made another radio call to the helicopter moments later: “PAT 25, pass behind the CRJ.” Seconds after that, the two aircraft collided. The plane’s transponder stopped ...

The controller made another radio call to the helicopter moments later: “PAT 25, pass behind the CRJ.” Seconds after that, the two aircraft collided. The plane’s transponder stopped transmitting about ...

A fatal midair collision between a commercial passenger jet and Black Hawk military helicopter near Ronald ... citing radio transponder data. The transponder stopped dispatching data at less ...

Commander Suni Williams and Butch Wilmore floated out to remove a broken antenna and wipe the station's exterior for evidence of any microbes that might still be alive after launching from Earth ...

American Airlines flight 5342 was estimated at 400 feet off the ground and traveling at about 140 miles per hour when it suffered a rapid loss of altitude over the Potomac River, according to data ...

The controller made another radio call to the helicopter moments later: “PAT 25 pass behind the CRJ.” Seconds after that, the two aircraft collided. The plane’s radio transponder stopped transmitting ...

The controller made another radio call to the helicopter moments later: “PAT 25 pass behind the CRJ.” Seconds after that, the two aircraft collided. The plane’s radio transponder stopped ...

UPDATE: (1.31 p.m.) - The Sri Lanka Air Force (SLAF) has deployed a Bell 212 helicopter fitted with a Bambi bucket to help douse the fire at a clothing store in Pelawatte.

the transponder-based system became mandatory for large airliners in the United States in 1993, and it is now common on all manner of commercial aircraft globally. Most military helicopters ...