Historical aircraft types

REG	type	ICAO
TC-RBJ	A21N	4bc84a
TC-RBO	A21N	4bc84f
TC-NCH	A20N	4bb868
TC-RBU	A21N	4bc855
TC-RDV	A21N	4bc896
TC-RFH	A21N	4bc8c8
TC-RBY	A21N	4bc859