Historical aircraft types

REG	type	ICAO
N37273	B738	a43ea2
N37318	B38M	a4418c
N37504	B39M	a448d3
N17294	B38M	a1244b
N37372	B38M	a44258
N17347	B38M	a12756
N17373	B38M	a127bb