AeroTek Aviations Beaver-size amphibious kit airplane, the Grizzly, showcases the company's 550-shaft-horsepower Pratt & Whitney PT6A engine conversion, which has also flown in the Murphy Moose. By Ed Wischmeyer.
As the powers that be debate the future of 100LL, participants at the Fifth Annual Electric Aircraft Symposium pondered how to make the alternatives more practical and efficient. By Dean Sigler.