FS2004 – Southwest Airlies Penguin One Boeing 737-700 flight2000it 10 years ago FS2004 – Southwest Airlies Penguin One Boeing 737-700. A repaint of the Vistaliners B737-700 in Southwest Airlines Penguin One Livery. Complete with model. By Colin Lowe. 4.5 MB – FS2004 Southwest Airlines Boeing 737-700– FS2004 Southwest Boeing 737-700FSX/FS2004 – Boeing 737-700 Southwest