Historical aircraft types

REG	type	ICAO
N693BR	CRJ2	a93604
N978SW	CRJ2	ada302
N959SW	CRJ2	ad57bb
N979SW	CRJ2	ada6b9
N464SW	CRJ2	a5aa1c
N923SW	CRJ2	accaf4
N953SW	CRJ2	ad4171