United Airlines Boeing 727-200

N7271U, October 25, 1978. By Kerry Taylor. 

N7630U, October 25, 1978. By Kerry Taylor: Also in the picture are - N8060U DC-8-52 N8089U DC-8-61 N4728U Boeing 747-122

N7263U. By Richard Silagi

N7639U. By Richard Silagi