FS2004 Piedmont Airlines Martin 404 flight2000it 15 years ago FS2004 Piedmont Airlines Martin 404. Piedmont Airlines textures for Dee Waldron’s Martin 404 available at California Classics. These textures depict an Piedmont Martin 404 about 1962. By Gary Harper. 1 Mb FSX – Piedmont Airlines BAe ATP– FS2004 Piedmont Airlines Boeing 737-400FS2004 Piedmont Boeing 767-200