Historical aircraft types

REG	type	ICAO
N37534		a4493c
N77538	B738	aa7e7c
N27404	B39M	a2b7cd
N37528	B39M	a4491d
N76528	B738	aa56da
N37527	B39M	a4491c
N77587	B39M	aa7f2a