File Description: This is a repaint (textures only) of Tom Gibson's and Greg Pepper's GMAX DC-6. It was produced using the DC-6 Paint Kit available at www.calclassic.com. You must have Tom and Greg's DC-6 to use these textures. This aircraft, N37521, served United well for over 21 years. It was acquired in July 1947 and retired in December 1968. It appears here in its original delivery livery in 1947. United introduced the DC-6 as the Mainliner 300, as in 300 mph.