|  | DC-9-33, named Madrid, of KLM Royal Dutch Airlines on final approach at London Heathrow in the Summer of 1976. | 
|  | DC-9-32, named Copenhagen, of KLM Royal Dutch Airlines at London Heathrow in the Summer of 1976. | 
|  | DC-9-32, named Rotterdam,  of KLM Royal Dutch Airlines taxying to the terminal at London Heathrow in the Summer of 1976. | 
|  | DC-9-51, named Koniz, of Swissair on final approach to London Heathrow in the Summer of 1976. | 
|  | DC-9-41 of Swissair on final approach to Heathrow in the Spring of 1975. | 
|  | This aircraft, named Bellinzona, was operated by Swissair from 1968 until 1981 and was seen at Manchester in the Summer of 1977. | 
|  | Texas International Airlines departing Houston Intnl in 1978. | 
|  | Valley International Airport (HRL), 1978-10-07 In service with Texas International Airlines as seen during the 1978 Confederate Air Force's Airshow at Harlingen. | 
|  | La Guardia Airport (LGA), 1976-06-17 This aircraft was in service with Trans-World Airlines in the Summer of 1976 as seen at La Guardia. | 
|  | Lambert-st Louis International Airport (STL), 1973-05-10 This aircraft served with Trans-World Airlines as seen at St. Louis in the Summer of 1973. | 
|  | Albuquerque International Sunport Airport (ABQ), 1973-05-12 With Texas International Airlines as "City of Baton Rouge" in 1973 as seen at Albuquerque. | 
|  | KLM Royal Dutch Airlines DC-9 named "Copenhagen" preparing to depart from london Heathrow in the Summer of 1978. |