Airport Check-in back wall panel type and symbol specifications Logo artwork file names: Southwest_logo_sign_fullsize.ai Southwest_logo_sign_fullsize.dwg 113.9" 2.05" 18" based on the cap height of the letter “S” 9" 125.36" Logo dimensions Symbol The height of the logo is based on the height of the “S”. Position the Heart Symbol at the bottom part of the “t”. Note: Only use approved artwork for all sign applications. The measurements shown here are based on the cap “S” (18"), not the tallest letter (“h”). Airport Style Guide Southwest Airlines Brand Style Guide | 125