FS2004 Southwest Airlines Boeing 737-300 flight2000it 14 years ago FS2004 Southwest Airlines Boeing 737-300, registration N300SW. A repaint of the Vistaliners B737-300 in Southwest Airlines N300SW livery. Includes the model. By Colin Lowe. 2 Mb FS2004 – Southwest Airlines Boeing 737-300Southwest Airlines Boeing 737-300 landing at LAX– FS2004 Southwest Airlines Boeing 737-400