Historical aircraft types

REG	type	ICAO
N27520	B39M	a2bbc6
N37556		a44984
N77571	B39M	aa7f01
N68880	B739	a92478
N77430	B739	aa7abd
N39450	B739	a494c5
N66848	B739	a8d4f6
N66893	B739	a8d5a0
N68811	B739	a92384