The tests indicate that, after the installation of the 40kg or 60kg MMS, the helicopter vibration meets the requirements of usage, and the vibration environment on the mast meets the installing requirements of the sight.

• 试验表明,加装40kg、60kg的桅杆式瞄准具,直升机振动满足使用要求,桅杆上的振动环境满足瞄准具装机要求。