AIR & SPACE MAGAZINE Cessna Testing The C-37 goes for its first spin. Mort Brown Special Collection November 18, 2013 This photo, now at the San Diego Air and Space Museum, is from the collection of Mort Brown, the chief test pilot for Cessna from 1937 to 1972. This is the first C-37 off the line; the model was an updated version of the company's award-winning C-34. Image: Mort Brown Special Collection Mort Brown Special Collection Get the latest stories in your inbox every weekday.