The UH-60 Black Hawk, which has been in use since 1979 and is often called the "workhorse" of the U.S. forces, is the helicopter that many see as the likely model for a stealth aircraft that could ...

Designed to replace the legendary Black Hawk, the SB-1 Defiant was an advanced coaxial helicopter that promised greater speed, maneuverability, and stealth. A collaboration between Sikorsky and ...

The American Airlines flight involved in the deadly collision with a Black Hawk helicopter over Washington, DC, seemed to increase its pitch just before the impact, preliminary data from a data ...