Historical aircraft types

REG	type	ICAO
N505SY	E75L	a64e2a
N713SK	CRJ7	a988cc
N604SK	CRJ7	a7d7b5
N726SK	CRJ7	a9bb70
N614SK	CRJ7	a7ff34
N765SK	CRJ7	aa55b5
N722EV	CRJ7	a9ab72