Historical aircraft types

REG	type	ICAO
N8581Z	B738	abc7a3
N8656B	B738	abe496
N274WN	B737	a2b759
N7727A	B737	aa73c3
N224WN	B737	a1f1de
N926WN	B737	acd675
N7887A	B737	aab18c