Historical aircraft types

REG	type	ICAO
N556NW	B752	a716f6
N698DL	B752	a948c4
N693DL	B752	a93631
N554NW	B752	a70f88
N6716C	B752	a8e29c
N678DL	B752	a8f9c6
N67171	B752	a8e2d6