07/08/14 4:00pm
Zubair Khan in 2006 with his brother-in-law Umar Niazi. Mr. Khan was killed Monday when his experimental plane crashed into the Long Island Sound near Mattituck. (Credit: Courtesy of Umar Niazi)

Zubair Khan in 2006 with his brother-in-law Umar Niazi. Mr. Khan was killed Monday when his experimental plane crashed into the Long Island Sound near Mattituck. (Credit: Courtesy of Umar Niazi)

When Zubair Khan first set out in February 2012 to convert a twin-engine CoZy aircraft into one with a larger single engine, he was met with skepticism from like-minded individuals on an online aviation message board.  (more…)