On September 9, 2011 TRIP Linhas Aéreas placed an order for 18 new ATR 72-600s with options for further 22. Nine of the 18 aircraft will be purchased directly from ATR with the remaining to be leased from Air Lease Corporation and GE Capital Aviation Services. With the entry into service of the 18 firm ATR 72-600s, TRIP Linhas Aéreas will become the largest ATR operator in the world, with a fleet of 51 ATRs. The new aircraft will be configured for 68 passengers.