Development
The ATR 72 was developed from the ATR 42 in order to increase the seating capacity (48 to 78) by stretching the fuselage by 4.5 metres (15 ft), increasing the wingspan, adding more powerful engines, and increasing fuel capacity by approximately 10 percent. The 72 was announced in 1986, and made its maiden flight on 27 October 1988. Exactly one year after that, on 27 October 1989, Finnair became the first airline to put the aircraft into service. Since then, at least 408 ATR 72s have been delivered worldwide with orders pending on at least 28 more.
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