Historical aircraft types

REG	type	ICAO
N715SK	CRJ7	a9903a
N748SK	CRJ7	aa11dc
N751SK	CRJ7	aa1f5a
N718SK	CRJ7	a99b5f
N719SK	CRJ7	a99f16
N727SK	CRJ7	a9bf27
N716SK	CRJ7	a993f1