sentences:  However, many still utilize older aircraft, including those no longer suited for passenger service, like the Boeing 707, Boeing 727, Douglas DC-8, McDonnell Douglas DC-10, McDonnell Douglas MD-11, Airbus A300, and the Ilyushin Il-76.Examples of the 60-year-old Douglas DC-3 are still flying around the world carrying cargo (as well as passengers).Short range turboprop airliners such as the Antonov An-12, Antonov An-26, Fokker Friendship, and British Aerospace ATP are being modified to accept standard air freight pallets to extend their working lives.