AJW Group said it is “significantly increasing” the size of its engine lease portfolio, aiming to grow its lease pool to over 60 engines this year. A J Walter Leasing and A J Walter Aviation have recently added three GE Aviation CF6-80C2s, five CFM International CFM56-3C1s and one Pratt & Whitney PW4056-3 to the lease portfolio of PW2040 and CFM56 series engines.