The NAVITWIN IV Heading Management System displays and monitors a minimum of one and a maximum of four heading sources (3 gyrocompass headings and 1 magnetic heading) from a variety of heading sensors.
The NAVITWIN IV is Northrop Grumman Sperry Marine's central, all-embracing multiple heading reference management system. The NAVITWIN IV can be used as heading source selector for:
Heading difference monitor
Off heading monitor
Central gyro compass control unit
Key Benefits of the NAVITWIN IV:
Current heading from all available heading sources on a colour TFT LCD screen
Monitors the difference between any two of the displayed headings, including a Heading Difference Alarm
Independent back-up magnetic heading source (TMC) for autopilots, repeaters, radar, etc.
Active heading source distribution to subscribers such as Repeaters, Autopilots, Radars, ECDIS
Automatic and controlled takeover of the heading from an alternative source when the active heading source fails (DNV Grounding Avoidance System)