3-Piece Aeronca Data Plate/Placards Grouping GRP-0142

Stainless steel data plate measures 2 1/2" X 3 5/8". Aluminum placard measures 4" X 1/4" and reads "Aeronca airplanes are covered under U.S. patent No. 81725". Handy aluminum reference placard measures 5 5/8" X 3" and includes phonetic alphabet, flight plan sequence, light gun signals, and commonly used radio frequencies. Made in the USA.