Historical aircraft types

REG	type	ICAO
N738EV	CRJ7	a9e93b
N724SK	CRJ7	a9b402
N748EV	CRJ7	aa10ba
N740EV	CRJ7	a9f302
N726SK	CRJ7	a9bb70
N744EV	CRJ7	aa01de
N772SK	CRJ7	aa720f