Historical aircraft types

REG	type	ICAO
N17550		a12ee0
N37528	B39M	a4491d
N38458	B739	a46d4e
N37531		a44939
N39415	B739	a4943e
N37548	B39M	a44963
N76504	B738	aa5690
N14530	A21N	a0b81d
N69833	B739	a94b4b
N37549		a44964
N66803	B739	a8d465
N17583	B39M	a12f4c