Historical aircraft types

REG	type	ICAO
N37253	B738	a43e5c
N17317	B38M	a126ed
N37298	B738	a43eed
N77537	B738	aa7e7b
N38268	B738	a46603
N87507	B738	ac0b61
N447UA	A320	a56661
N77542	B738	aa7e99
N17321	B38M	a1270a