Aviation Milestones
Originally published in 1998 December 1: The Civil Air Patrol is formed, 1941. December 6: The first flight of the Sikorsky S-61 L Transport helicopter in the U.S, 1960. December 23: First time that an airplane reaches 20,000 ft., 1913. January 13: NASA selects its first group of women astronauts, 1978. January 26: Glenn Curtiss flies the first seaplane, the…