Historical aircraft types

REG	type	ICAO
N23708	B737	a224fa
N17753	B737	a13651
N27366	B38M	a2b4ea
N14731	B737	a0bf8c
N17316	B38M	a126ec
N68801	B739	a92361
N38459	B739	a46d4f
N47370		a5cfa5
N14235	B738	a0acfd
N37308	B38M	a44169
N17752	B737	a13650