"Amazon faces a lot of obstacles," said Lakemaid Beer Company's president, Jack Supple. "Dense urban locations present a host of problems to drone delivery. But our tests are on vast, wide-open frozen lakes free of trees and power lines. Our drone can fly as the crow flies, straight to our target, based on GPS coordinates provided by an ice angler. Fish houses are very uniform in height, so we can fly lower than FAA limits, too."