FS2004 Royal Thai Air Force Sptifire PR19. The Royal Thai Air Force operated the Spitfire between 1950 and 1954. This repaint is based on illustations and the preserved aircraft at the RTAF Museum at Don Muang, Bangkok. Although described as a PR19 at the museum, it has the bubble canopy and canons of the PR18, which is the model used. The Spitfire 18 model by A. F. Scrub is required; SPITFIREMKXVIII.ZIP. By Alan Merry.