DetailsA must have for any Super Cub owner! Over 200 new CAD drawings of the PA-18 fuselage, parts, sub-assemblies and complete fuselage drawing with the latest modifications. NOTE: BECAUSE OF THE NATURE OF THIS ITEM WE DO NOT OFFER REFUNDS ON IT. WE WILL REPLACE DEFECTIVE USB DRIVES IN THAT RARE OCCURRENCE. WE CANNOT DELIVER THIS DATA ELECTRONICALLY, WE CAN ONLY SHIP IT.