Historical aircraft types

REG	type	ICAO
JA73NQ	B738	8681b6
JA737T	B738	86803d
JA73NL	B738	8681b2
JA73NR	B738	8681b7
JA737R	B738	86803b
JA73NU	B738	8681ba
JA73NG	B738	8681ae