), GE has been able to argue that its engines should enjoy sole-source status on several important jetliner programs. An engine with sole-source status enjoys better pricing than an engine offered in a competition with others. GECAS basically guarantees that new aircraft with GE engines enjoy an up-front boost with a large lease company order. This further incentivizes manufacturers to go with GE engines on a sole-source basis. The second and third legs have resulted in the world’s most successful sole-source aircraft engine combinations: the 737 Classic, 737NG, and 737MAX series, the 777-200LR/-300ER, and the new 777X.

Source: Forbes January 07, 2019 18:33 UTC