Historical aircraft types

REG	type	ICAO
G-TTNE	A20N	407535
G-TTNM	A20N	407930
G-TTNN	A20N	4079f7
G-TTNR	A20N	407b8e
G-TNEF	A21N	4081bb
G-TTNX	A20N	4080e1
G-TNEG	A21N	4081bc