Posted by John McHale FARNBOROUGH, England, 23 July 2010. Pratt & Whitney Canada (P&WC) selected avionics and power provider Air Data Inc, in Montreal to design, manufacture, and service aircraft engines powering business, general aviation, and regional aircraft and helicopters. Air Data power controllers and power supplies are designed to meet various aircraft environment requirements. The company's power designs range from very low noise voltage source to high power voltage source and numeric circuitry.