Keywords: 727 psa pacific southwest airlines pacificsouthwestairlines san diego air and space museum sandiegoairandspacemuseum aviation aircraft airplane airlines airliners boeing boeing 727 boeing727 boeing 727-200 boeing727200 727-200 727200 b727 b722 tri-jet trijet three holer threeholer outdoor Photo from the Pacific Southwest Airline Archive at SDASM 727 Repository: San Diego Air and Space Museum Archive Photo from the Pacific Southwest Airline Archive at SDASM 727 Repository: San Diego Air and Space Museum Archive |