In 2017, while reading an article in the Experimental Aircraft Association’s magazine Warbirds of America, Scheil came across a photo of a famous World War II Piper L-4 Grasshopper, serial ...

the Piper L4 Grasshopper should join that list. While Mustangs and Thunderbolts protected them from enemy fighters, Grasshoppers, based on the civilian Piper Cub, surveyed battlefields ...