Southern Aircraft Corporation
The Southern Aircraft Corporation, founded in 1926 by Glenn Messer at the Birmingham Municipal Airport, was an airplane manufacturer. The company turned out the Air Boss single-engine biplane until 1930 and also developed a design for a controllable propeller which was purchased by another manufacturer.
- Morehouse, Harold E. (July, 1995) "Glenn E. Messer: Pioneer Mid-West Aviator." Chirp. No. 96