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2. What are Black Hawk helicopters and how are they used ... - AOL

   www.aol.com/black-hawk-helicopters-used-know...

   The military helicopter that collided with a regional jet near Ronald Reagan Washington National Airport, in a crash that killed all 67 people aboard both aircraft, was a UH-60 Black Hawk ...

3. Unmanned Black Hawk Helicopter flight at Fort Campbell could ...

   www.aol.com/news/unmanned-black-hawk-helicopter...

   DARPA — the Defense Advanced Research Projects Agency — released a video this week of a Black Hawk helicopter in the air, without a pilot or any other human on board.

4. Sikorsky UH-60 Black Hawk - Wikipedia

   en.wikipedia.org/wiki/Sikorsky_UH-60_Black_Hawk

   The Sikorsky UH-60 Black Hawk is a four-blade, twin-engine, medium-lift utility military helicopter manufactured by Sikorsky Aircraft.Sikorsky submitted the S-70 design for the United States Army's Utility Tactical Transport Aircraft System (UTTAS) competition in 1972.

5. Video shows American Airlines passenger jet, Black Hawk ... - AOL

   www.aol.com/video-shows-american-airlines...

   Video recorded by bystanders shows ... Harbor Patrol facility on its way to the site of the crash between an American Airlines passenger jet and an Army Black Hawk helicopter above Ronald Reagan ...

6. AeroVironment RQ-20 Puma - Wikipedia

   en.wikipedia.org/wiki/AeroVironment_RQ-20_Puma

   RQ-20A Puma Military designation for the Puma All Environment variant. Enhanced Puma Upgrade of the RQ-20A Puma AE with more powerful propulsion system and new batteries that increase endurance by 75 percent to 3.5 hours, auxiliary payload bay to integrate payloads while keeping the video camera, precision navigation system with secondary GPS, and a redesigned durable fuselage with reinforced ...

7. Sikorsky S-70 - Wikipedia

   en.wikipedia.org/wiki/Sikorsky_S-70

   The Sikorsky S-70 is an American medium transport/utility helicopter family manufactured by Sikorsky Aircraft.It was developed for the United States Army in the 1970s, winning a competition to be designated the UH-60 Black Hawk and spawning a large family in U.S. military service.

8. Night vision, new helicopters are pushing the frontiers of ...

   www.aol.com/news/night-vision-helicopters...

   Cal Fire’s newest addition to its helicopter fleet is the Fire Hawk — a Sikorsky S70i Black Hawk retrofitted to drop water or fire retardant, as well as conduct hoist rescue and night operations.

9. Piasecki X-49 SpeedHawk - Wikipedia

   en.wikipedia.org/wiki/Piasecki_X-49_SpeedHawk

   The Piasecki X-49 "SpeedHawk" is an American four-bladed, twin-engined experimental high-speed compound helicopter developed by Piasecki Aircraft.The X-49A is based on the airframe of a Sikorsky YSH-60F Seahawk, but utilizes Piasecki's proprietary vectored thrust ducted propeller (VTDP) design and includes the addition of lifting wings.