NATIONAL AIR AND SPACE MUSEUM
The Lockheed Vega 5C "Winnie Mae" is the first airplane to fly twice around the world. Piloted by Wiley Post, the "Winnie Mae" made its first round-the-world flight in 1931, with Harold Gatty as navigator. Flying alone, Post made his second round the-world flight in 1933. Later Post flew the plane on a number of pioneering altitude and distance flights in the substratosphere.