This will not work because the Hellcat DOES NOT have guided weapon by default:
veh = "i_heli_light_03_f" createVehicle position player; veh addWeaponTurret ["missiles_SCALPEL", [-1]]; veh addMagazineTurret ["2rnd_lg_scalpel", [-1]]; ""
This will work because the Orca DOES have a guided weapon by default:
veh = "o_heli_light_02_f" createVehicle position player; veh addWeaponTurret ["missiles_SCALPEL", [-1]]; veh addMagazineTurret ["2rnd_lg_scalpel", [-1]]; ""