Historical aircraft types

REG	type	ICAO
N15712	B737	a0e6c6
N39418	B739	a49441
N17719	B737	a135cb
N29717	B737	a31216
N480UA	A320	a5ea5c
N14731	B737	a0bf8c
N77430	B739	aa7abd
N17752	B737	a13650
N36469	B739	a41e74
N21723	B737	a1d63d