Historical aircraft types

REG	type	ICAO
N591DT	A21N	a7a17b
N593DX	A21N	a7a8ed
N580DT	A21N	a77645
N586DT	A21N	a78c8f
N572DT	A21N	a75634
N375DN	A321	a446b6
N102DN	A321	a00c7a