Historical aircraft types

REG	type	ICAO
N461WN	B737	a59f53
N437WN	B737	a53f20
N8776L	B38M	ac138c
N8831L	B38M	ac2b80
N8957Q	B38M	ac5b43
N8815L	B38M	ac249e
N8581Z	B738	abc7a3