Air-traffic control radar appears to have measured a US Army helicopter flying at a lower altitude than an American Airlines ...

Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...

Flight data posted online appears to show another Army helicopter flying higher than the maximum altitude allowed around ...

Army Black Hawk helicopter that collided with an American Eagle flight over the Potomac River​ late last month was flying with a safety system turned off, Sen. Ted Cruz told reporters after a briefing ...