Douglas DC-10/KC-10 Extender

Bangladesh
- - Airlines
  - - Bangladesh Biman
Canada
- - Airlines
  - - Canadian Pacific Airlines
Finland
- - Airlines
  - - Finnair
French Republic
- - Airlines
  - - AOM French Lines
Japan
- - Airlines
  - - JAL Ways
Kingdom of Thailand
- - Airlines
  - - Air Siam
  - - Thai Airways International
Republic of Ghana
- - Airlines
  - - Ghana Airways
Republic of Turkey
- - Airlines
  - - Bogazici Hava Tasimaciligi
Switzerland
- - Airlines
  - - Balair
  - - Swissair
United Kingdom
- - Airlines
  - - Laker Airways
United States of America
- - Airlines
  - - Air Hawaii
  - - American Eagle
  - - Continental Airlines
  - - Gemini Air Cargo
  - - United Air Lines
- - Military
Venezuela
- - Airlines
  - - Aerovias Venezolanas Sociedad Anonima
  - - Solar Cargo
  - - Viasa