Celebrate 72 years of aviation innovation with the EAA AirVenture Oshkosh 2025 Heritage Flight Line Patch! Inspired by the original fly-in convention flight line pass, this 3-inch collectible patch is a must-have keepsake to commemorate your AirVenture experience. Whether you choose to iron it or sew it onto your jacket, bag, or gear, this patch is a great way to show off your AirVenture excitement.