Historical aircraft types

REG	type	ICAO
PR-YYF	A20N	e49390
PR-YSB	A20N	e4953a
PR-YRB	A20N	e4929c
PR-YRU	A20N	e49446
PR-YYE	A20N	e49329
PR-YYA	A20N	e494f7