By applying modifications to the fuselage, it enables flexible cabin configurations for up to 240 passengers. Turkish Airlines will operate the aircraft in a configuration with 20 seats in Business Class and 162 in Economy Class.
Compared to the previous A321 variant, the most visible modifications are a new rear section and a modified passenger door configuration, where the door located forward of the wing is removed and new overwing emergency exits in the centre section are introduced. The A321neo in Cabin Flex configuration is an option today and will become standard for all A321neos around 2020.
The A321neo in Cabin Flex configuration is also the base for a longer range variant known as the A321LR. The A321LR has an increased MTOW (Maximum Take-Off Weight) of 97 tonnes and a third underfloor fuel tank allowing airlines to increase its range to 4,000 nautical miles for intercontinental flights.
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