Above: Coulson’s first 737 being converted to an air tanker. Photo provided by Coulson Aviation. Coulson Aviation has purchased six 737-300’s from Southwest Airlines and plans to convert them into air tankers. The first one being worked on just rolled out of the paint shop in Spokane. Britt Coulson said he expects it to be complete … Continue reading "Coulson’s new 737 rolls out of the paint shop"