Historical aircraft types

REG	type	ICAO
N612QX	CRJ7	a7f7a0
N755EV	CRJ7	aa2d14
N772SK	CRJ7	aa720f
N766SK	CRJ7	aa596c
N728SK	CRJ7	a9c2de
N720EV	CRJ7	a9a404