Historical aircraft types

REG	type	ICAO
N870DC	CRJ7	abf6a4
N715SK	CRJ7	a9903a
N740EV	CRJ7	a9f302
N765SK	CRJ7	aa55b5
N604SK	CRJ7	a7d7b5
N612QX	CRJ7	a7f7a0
N805SK	CRJ9	aaf60a