FS2004 Southwest Airlines Boeing 737-7H4 flight2000it 14 years ago FS2004 Southwest Airlines Boeing 737-7H4. A repaint of Southwest’s N918WN, wearing the Illinois One paint scheme, for the Project Open Sky B737-700. Includes model and FDE. By Murilo Silva. 11 Mb FS2004/FSX – Southwest Airlines Boeing 737-7H4FS2004/FSX – Southwest Airlines Boeing 737-7H4– FS2004 Southwest Boeing 737-700