Historical aircraft types

REG	type	ICAO
EI-SIX	A20N	4cad89
EI-SIS	A20N	4cad87
EI-SIW	A20N	4cae75
SE-MKN	AT76	4ab56e
EI-SCF	A20N	4cad96
EI-SCG	A20N	4cad97