JT9D series, PW4000-94, CF6-50 & CF6-80 series maintenance cost comparison,Issue 26 Dec 2002/Jan 200
Issue 23 Jun/Jul 2002
The JT9D, PW4000, CF6-50C2 & CF6-80C2 series are the most numerous
widebody engines and power the same and similar aircraft types.
Maintenance costs analyses for each type have been updated and
reserves compared between the four families.