By 1989, Sikorsky began modifying the helicopter, which became the UH-60L Black Hawk. It also made several variants of the chopper, such as the SH-60B Seahawk for the U.S. Navy. With the A model's ...
according to the US Navy’s website. The crash happened exactly two weeks after a Black Hawk helicopter collided with an American Airlines regional jet and both plunged into the Potomac River in ...