Helicopters have their roots in the pre-World War II era. Renaissance genius Leonardo Da Vinci famously conceptualized his aerial screw as far back as the 15th century, though the inventor never built ...

On February 12, 1947, the Sikorsky S-52 made its first flight, introducing all-metal rotor blades and setting early speed and ...

Sometime in the mid-1980s, a former chief pilot of the Lakewood (Calif.) Sheriff’s Station helicopter patrol program informed me of the perversity of helicopters. A plane with wings, he said, ...