Historical aircraft types

REG	type	ICAO
EI-SIM	A20N	4cad40
EI-SIO	A20N	4cad42
EI-SCF	A20N	4cad96
EI-SCD	A20N	4cad94
EI-SCE	A20N	4cad95
EI-SIS	A20N	4cad87