----Filter Model---Aerospatiale AS350 Ecureuil ----- 2 3AgustaWestland AW139 ----- 2 2SABCA A109BA ----- 4 4SerialBuiltModelTY-31H 1984 as350b TY-32H 1992 a109ba TY-33H 1993 a109ba TY-34H 1993 a109ba TY-35H 1993 a109ba TY-AAJ 1984 as350b TY-ABC aw139 TY-HBA 1984 as350b TY-SBH aw139 @ (optional) Send