Navigation System the NBV-97 terrain is a small inercial/GPS land navigation system which provides azimuth/position information for all types of ground vehicles. The NBV-97 is specially designed for T-72 MBT installation. The two basic operational modes are:

• Geograhphical navigation:

S-42 grid coordinates, true azimuth to North output information

• Way point navigation:

distance/azimuth- to- preprogramed- waypoint output information