Historical aircraft types

REG	type	ICAO
N180US	A321	a1427f
N455AN	A21N	a584bc
N439AN	A21N	a5449a
N933AM	A321	acf0da
N442AN	A21N	a55218
N460AN	A21N	a599a8
N421UW	A21N	a5012d