Scientific American1h
The Wild and Contentious History of Mathematical Symbols
I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...
Politifact2h
No, US Army Black Hawk helicopter not the same model as chopper in Kobe Bryant’s crash
The Sikorsky UH-60 "Black Hawk" is far from a luxury aircraft. Unlike the sleekly designed S-76B, the Black Hawk is rugged and multifunctional. The U.S. Army has used the Black Hawk in its fleet for ...
Laredo Morning Times3h
28 agencies were authorized to fly helicopters near Reagan Airport before deadly crash
WASHINGTON (AP) — The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National ...
Hosted on MSN14h
The UH-60 Black Hawk Can Do Almost Anything
Given the variety and flexibility of the Black Hawk, dozens of nations have imported one variant or another for their own ...
Black Hawk involved in collision that killed 67 people recovered from Potomac River
The wreckage of a military helicopter involved in a mid-air collision with a passenger jet that killed all 67 people on both aircraft was recovered Thursday from the Potomac River, federal officials ...
A ‘Stellar Crew,’ a ‘Tragic Accident’ and a Black Hawk’s Last Flight
The Army helicopter that collided with a passenger plane above the Potomac River boasted an experienced crew doing “an ...
Flightglobal2d
Army helicopter was 100ft above mandatory flight ceiling during collision with PSA Airlines jet
Preliminary data released by the USA's National Transportation Safety Board indicates the incident Sikorsky UH-60 was flying ...
Hosted on MSN2d
Black Hawk helicopter: See how to fly a UH-60L in extended tour
Col. Tim Zerbe is the State Army Aviation Officer at Pennsylvania National Guard and a graduate of the US Army War College in Carlisle. In the days following the deadly midair collision between a ...