Historical aircraft types

REG	type	ICAO
N456AN	A21N	a58873
N451AN	A21N	a575e0
N453AA	A21N	a57d42
N441UW	A21N	a5502b
N449AN	A21N	a56c19
N471AN	A21N	a5c4de
N434AN	A21N	a53207