Question: Keyway Air Transport used a jet airliner with versions that have a apacity from 140 to 219 what?

<P0-S0>  Details on its operation are unknown. <P0-S1>  The 737-200 was operated by Keyway Air Transport from 1986 up until 1992, when it was transferred to defence contractor EG&G, who operated the aircraft in the Janet fleet up until 2009 when it was retired from service. <P0-S2> Keyway Air Transport was a United States airline that operated from Frankfurt International Airport (which at the time was also home to a United States Air Force facility; Rhein-Main Air Base) using a Boeing T-43 Bobcat (a military variant of the Boeing 737-200) and a Boeing 707-355C. <P0-S3>  The Boeing 707-355C was operated from 1986 up until 1989, when it was transferred to HCL Aviation. <P0-S4>  From 1992 onwards, after having been modified for military service by Raytheon, the aircraft was used by the United States Air Force as an airborne command post for the United States Central Command and later on was reported as being used by the Air Force Special Operations Command, before being put in storage at the 309th Aerospace Maintenance and Regeneration Group located on Davis–Monthan Air Force Base in 2002. <SEP> <P1-S0> Hunting-Clan Air Transport was a wholly private, British independent airline that was founded in the immediate post-World War II period. <P1-S1>  It began trading on January 1, 1946 as Hunting Air Travel Ltd. <P1-S2>  It was a subsidiary of the Hunting Group of companies, which had come from the shipping industry and could trace its history back to the 19th century. <P1-S3>  The newly formed airline's first operating base was at Bovingdon Airport in Southeast England. <P1-S4>  Its main activities were contract, scheduled and non-scheduled domestic and international air services that were initially operated with Douglas Dakota and Vickers Viking piston airliners from the company's Bovingdon base. <P1-S5>  A change of name to Hunting Air Transport occurred in 1951. <P1-S6>  By that time, the airline had emerged as one of the healthiest and most securely financed independent airlines in Britain. <P1-S7>  In October 1953, the firm's name changed to Hunting-Clan Air Transport, as a result of an agreement between the Hunting Group and the Clan Line group of companies to invest £500,000 each in a new company named Hunting-Clan Air Holdings Ltd, the holding company for the combined group's air transport interests. <P1-S8>  Apart from Hunting-Clan Air Transport itself, this included Field Aircraft Services Ltd, the Hunting group's aircraft maintenance arm. <P1-S9>  In 1960, Hunting-Clan Air Transport merged with the Airwork group to form British United Airways (BUA). <SEP> <P2-S0> The Boeing 707 is a mid-sized, long-range, narrow-body, four-engine jet airliner built by Boeing Commercial Airplanes from 1958 to 1979. <P2-S1>  Its name is commonly pronounced as "seven oh seven". <P2-S2>  Versions of the aircraft have a capacity from 140 to 219 passengers and a range of 2500 to . <SEP> <P3-S0> The Hawker Siddeley HS 780 Andover is a twin-engined turboprop military transport aircraft produced by Hawker Siddeley for the Royal Air Force developed from the Avro-designed HS 748 airliner. <P3-S1>  The Andover was named after the Avro Andover, a Royal Air Force (RAF) biplane transport used for medical evacuation between the first and second world wars; and RAF Andover, where trials of the aircraft were partially carried out. <P3-S2>  The Andover had a kneeling landing gear to make ramp loading easier.