The ATR 72 is derived from the ATR 42 with a 4.5 m stretched fuselage. The two aircraft feature a high
degree of commonality: the same cross section, the same cockpit for cross-crew qualification. offering a
standard capacity of 66 seats, the ATR 72-200 is equipped with two PW124B engines, rated at 2,400
shP each. The derivative version of the basic ATR 72, the ATR 72-210 is equipped with two higher
power 2,750 shP PW127 engines.