T-Shirts, National Model Aviation Day by Rusty Kennedy | May 13, 2015 | AMA National News, Events | 0 comments Academy of Model Aeronautics, District IV via Academy of Model Aeronautics 52 mins · Tshirt | National Model Aviation Day Preorder your National Model Aviation Day T-shirt to show your support for the third annual National Model Aviation Day. This year’s shirts feature the National Model Aviation Day logo, and the phrase “beautiful… NATIONALMODELAVIATIONDAY.ORG