XA-MXB The Quetzalcoatl design in pink and blue was only applied to B727-264 XA-MXB "Azcapotzalco". Three other aircraft had a colour variation in red and orange and those were B727-264 XA-HOV "Atzacualco", B727-264 XA-HOX "Tenamaxtli" and A320-231 N230RX "Cuitlahuac"
(more of XA-MXB)