Historical aircraft types

REG	type	ICAO
N797UA	B772	aad3c9
N226UA	B772	a1f90e
N33294	B738	a3a0ed
N79011	B772	aaba9a
N73270	B738	a9d5df
N77012	B772	aa6b9d
N73299	B738	a9d62e
N229UA	B772	a20433
N39297	B738	a48dea
N77019	B772	aa6ba4