Historical aircraft types

REG	type	ICAO
PR-YRT	A20N	e49445
PR-YRQ	A20N	e493d1
PR-YRC	A20N	e492a5
PR-YRF	A20N	e492b5
PR-YRK	A20N	e4936a
PR-YSC	A20N	e49591
PR-YSA	A20N	e4950a