During the EAA's AirVenture, it is said that the Oshkosh airport is the busiest in the world, with airplanes of all sorts coming and going. It's a test of any pilot's skill to navigate the busy skies above Wittman Field. But there is a tranquil place to fly into, the Oshkosh Seaplane Base, AirVenture's aquatic venue. Pictures by Max Haynes