Historical aircraft types

REG	type	ICAO
N754EV	CRJ7	aa295d
N765SK	CRJ7	aa55b5
N612QX	CRJ7	a7f7a0
N751SK	CRJ7	aa1f5a
N608SK	CRJ7	a7e691
N752EV	CRJ7	aa21ef