true copy of this FAA ram 337 is requited to be kept on baud the aircraft as bog as the alteration tetnain in effect . AUGUST 14, 1994. Gulf:ream Aerospace Cbrporation (GAC) Model G-1V, Serial Number 1085, P/88GA, FAA Aircraft Type Certificate Data Sheet Al 2EA Artraft in-service data - 1786.6 hours & 736 hmdings.