Historical aircraft types

REG	type	ICAO
N915AT	B712	aca950
N506DN	A359	a65092
N823DX	B752	ab3c61
N821DX	B752	ab34f3
N6713Y	B752	a8e247
N658DL	B752	a8aac8
N659DL	B752	a8ae7f