The FAA granted approval for the 767-400ER to operate 180-minute ETOPS flights before it entered service. Because its fuel capacity was not increased over preceding models, the 767-400ER has a range of , less than previous extended-range 767s. No 767-400 (non-extended range) version was developed.
The FAA granted approval for the 767-400ER to operate 180-minute ETOPS flights before it entered service. B,ecause its fuel capacity was not increased over preceding models the 767-400ER has a range of , less than previous extended-range 767s. No 767-400 (non-extended range) version was developed.