The news Piper PA-18 Super Cub owners have been waiting for has finally arrived: CubCrafters announced the availability of an FAA-approved Supplemental Type Certificate, or STC, that increases the gross weight of the legendary aircraft to 2,300 lbs, more than 30% higher than the original specifications. The news comes after CubCrafters has been working on the down-low for years with industry partners including Lycoming, Hartzell, and others to make the Super Cub even better. On the heels of the first flight of yet another unique new type of aircraft to take flight with a Deltahawk diesel engine, their plans indicate that some three ai