Historical aircraft types

REG	type	ICAO
N14507	A21N	a0b7bb
N77542	B738	aa7e99
N54241	B738	a6e258
N14521	A21N	a0b7fb
N76516	B738	aa56b5
N34535	A21N	a3d2c0
N76523	B738	aa56d5
N24510	A21N	a24526