In the second half of the 1970s, McDonnell Douglas proposed using the more efficient CFM56 engines developed by the Franco-American consortium CFM International on DC-8-60 aircraft. The Kammakorp company was established for refitting.
The first flight of the DC-8-71 aircraft (a variant of the DC-8-61 aircraft) took place on August 15, 1981. In April 1982, it was certified and deliveries began. The DC-8-71 CF cargo aircraft is designed to carry loads of 36,900 kg. The aircraft is equipped with the usual avionics system with electromechanical data display facilities. During 1981-1986 110 DC-8-60 aircraft were converted into a new modification. By the fall of 1996, 102 aircraft were in operation.
- Modification: DC-8-71
- Wingspan, m: 43.40
- Length of aircraft, m: 57.00
- The height of the aircraft, m: 12.90
- Wing Area, m2: 268.00
- Weight kg: empty loaded aircraft 74000; take-off maximum 147550
- Engin:e 4 turbofan engine CFM International CFM56-2C1
- Maximum thrust, kgs: 4 x 9990
- Maximum speed, km / h: 920
- Cruising speed, km / h: 885
- Ferry range, km: 11770
- Practical range, km: 6480
- Practical ceiling, m: 12800
- Crew: 4
- Payload: 234 passengers in two-class cabins or 259 passengers in economy class or up to 27,300 kg of commercial cargo (maximum 36,900 kg).