Historical aircraft types

REG	type	ICAO
ZK-NET	DH8C	c81a91
ZK-NFB	DH8C	c81c9e
ZK-NED	DH8C	c81958
ZK-NEO	DH8C	c819df
ZK-NEZ	DH8C	c81b24
ZK-NEQ	DH8C	c81a5a
ZK-NEG	DH8C	c8195b
ZK-NEB	DH8C	c818da
ZK-NFA	DH8C	c81bb3