Historical aircraft types

REG	type	ICAO
PR-YYA	A20N	e494f7
PR-YRA	A20N	e492b0
PR-YRO	A20N	e493c5
PR-YSP	A20N	e49d22
PR-YRH	A20N	e49311
PR-YRY	A20N	e494b3
PR-YYF	A20N	e49390