Historical aircraft types

REG	type	ICAO
N748EV	CRJ7	aa10ba
N755SK	CRJ7	aa2e36
N765SK	CRJ7	aa55b5
N746SK	CRJ7	aa0a6e
N742SK	CRJ7	a9fb92
N750SK	CRJ7	aa1ba3
N760EV	CRJ7	aa4200