Navitron
Systems Ltd
Rudder Angle Indicator
Type NT920RAI

Navitron Rudder Angle Indicators (type NT920RAI) can be configured for single or multi head display as add on components to all Navitron autopilot types or as independent (stand alone) systems employing a dedicated Rudder Angle Transmitter Unit (NT920RTU).

NT990G Autopilot NT921G Autopilot Click text above for information on the NT921G / NT990G Autopilots Click for information on the NT921 Autopilot Click for information on the NT920 Autopilot NT951G Autopilot NT991G MK2 Autopilot NT990G Autopilot Click text above for information on the NT951G / NT991G MK2 Autopilots


Note 1: Where a Navitron autopilot and NT920RAI(s) are installed and the latter are required to function independently of the autopilot system, a Dual Rudder Reference Unit (DRRU) can be employed to eliminate the need for two separate transmitter units at the rudder stock: - Click for a larger image of the NT920RTU

Click for information on the NT920 Autopilot Click for information on the NT921 Autopilot Click text above for information on the NT921G / NT990G Autopilots Click text above for information on the NT951G / NT991G MK2  Autopilots NT921G Autopilot NT991G MK2 Autopilot NT990G Autopilot NT951G Autopilot

Where an independent Rudder Indicator system only is required: -


All Indicator heads (NT920RAI) are electrically and mechanically identical (no master / slave distinction) which provides complete interchangeability and straightforward system expansion.

Click for a larger image

Each Indicator head comprises a robust centre zero moving coil driving an illuminated white pointer against a black scale background graduated in 5° increments. Provision is also made for fixed and variable intensity red backlight scale illumination for night viewing.

Click for a larger image

Standard RAI heads are suitable for wheelhouse (sheltered) panel mounting. External locations may be used (foot bracket or panel mount) when supplied with a Navitron Pod assembly (PM).

Model NT920RAI
Standard Rudder
Angle Indicator
Compass Safe Distance - 1.0m

Weight NT920RAI Standard - 370g

Weight NT920RAI (PM) - 1.1Kg

Model NT920RAI (PM)
Pod Mount Rudder
Angle Indicator

NT920RAI Outline and Mounting Dimensions

NT920RAI (PM) Outline and Mounting Dimensions

Download the NT920RAI Leaflet (PDF)

Click for the NT920RAI PDF Manual


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