Historical aircraft types

REG	type	ICAO
N11206	B738	a03618
N24508	A21N	a2450b
N14235	B738	a0acfd
N14534	A21N	a0b821
N76508	B738	aa5694
N14507	A21N	a0b7bb
N87531	B738	ac0bc4
N78501	B738	aaa58b