Historical aircraft types

REG	type	ICAO
N6701	B752	a8de33
N548US	B752	a6f777
N6711M	B752	a8e1f6
N544US	B752	a6e89b
N6705Y	B752	a8ded6
N819DX	B752	ab2b2c
N689DL	B752	a924fc