Lot Of Vintage Model Airplane Plans Hobby Helpers Air Trails Miniature Aircraft. There are  9 different plans, they are Mechanix Illustrated Plan 364 P-51 Mustang, Air Trails Plan #109 Radart & Sky Baby (1949), Knight Twister Plan # G-60 by Paul Plecan, Mechanix Illustrated Plan #387 Great Lakes Trainer, Air Trails Plan #106 Super Phoenix & Minnow (1949), Air Trails BOJO Plan (plan is cut so only BOJO plan remains, Hobby Helpers 256A Saab Draken & Stately Sadie (1956), Hobby Helpers 653A Leopard Moth & Sabre Wing & Bostonian, and Aeromodellee Dec. 1959 Hawker Fury plan.  Some of the plans have some yellowing, wear along the edges, small tears, see photos for condition.   There is also a Miniature Aircraft Corporation Catalogue No. 16 from 1954 which is very nice condition.