Washington D.C. for anyone wondering,<p>> The United States scrambled F-16 fighter jets in a supersonic chase of a light aircraft with an unresponsive pilot that violated airspace in the Washington D.C. area and later crashed into the mountains of Virginia, officials said.<p>> The jet fighters prompted a sonic boom over the U.S. capital in an attempt to pursue with the errant Cessna Citation, officials said, causing consternation among people in the Washington area.