Historical aircraft types

REG	type	ICAO
N7835A	B737	aa9eb3
N435WN	B737	a537b2
N949WN	B737	ad3098
N556WN	B737	a717b6
N277WN	B737	a2c27e
N225WN	B737	a1f595
N457WN	B737	a58e1e