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MD69BR/BO Ship’s Bearing Repeater

SKU: MNE-0003

MD69BR/BO Ship’s Bearing Repeater

  • Bearing Repeater Bowl
  • Dual scale precision dials
  • Third-Party fit
  • Ideal for retrofit or replacement

From Marine Data

  • IP67 Weatherproof Marinised Bearing Repeater Bowl
  • Dual scale 36:1 Precision Compass Card Display
  • NMEA 0183 Digital Input
  • True / Magnetic Source Indication
  • Local and Remote Dimming Control
  • Available to Military Specifications
  • Finished in RAL7040 Window Grey


The MD69BR/BO from MARINE DATA is our standard dual scale NMEA-based heading repeater available as a bowl-only option, ideal for retrofit, replacement or panel mounting. Designed for taking celestial and terrestrial bearings. Equipped with a 36:1 precision dual scale compass card display, digital heading data (ship’s heading) may be conveniently displayed at any location on a vessel.
With a range of mounting options and accessories, the MD69BR/BO offers a bearing repeater solution for most locations and may be bulkhead, surface, panel or stand mounted. Finished in grey to complement other external marine navigation equipment.
The MD69BR/BO Bearing Repeater from MARINE DATA: flexible in application, easy to install and simple to maintain.


  • Fits into the standard MARINE DATA gimbal ring system as used with the MARINE DATA MD69/BR Repeater (SKU 069018)
  • Maybe flush-mounted in a panel
  • Dual scale 36:1 precision concentric dial display
  • Balanced for the optimal taking of bearings using the optional MD69AZI Azimuth Sight
  • Automatic selection and prioritisation of NMEA heading data type
  • Automatic warning of loss of valid heading data
  • Automatic detection of a previously lost heading data type without requiring a reset
  • True / Magnetic Source Indication
  • Local and remote dimming control


  • Repeats the heading display of a ship’s magnetic or gyrocompass at a convenient location on a vessel
  • Allows celestial and terrestrial bearings to be taken when used in conjunction with the MD69AZI Azimuth Sight or the MD69BC
    Bearing Circle. If gimbal-mounted, the MD60A2K Telescopic Alidade is recommended for making detailed azimuth
    measurements with this unit.


MD69TB Trunnion Bracket and Gimbal for MD69BR/BO, Window GreyMNE-0030 – MD69TB TRUNNION BRACKET ASSEMBLY

Trunnion Bracket with Gimbal for the Marine Data MD69BR Series of Bearing Repeaters. Finished in Window Grey (RAL7040) Semi-gloss Powder Coat.


The MD69TB is a Trunnion Bracket Assembly designed for the Marine Data MD69BR series of Compass Bearing Repeaters, specifically the MD69BR/BO. The bracket is fitted with a fully balanced Gimbal Ring to securely install the MD69BR/BO, enabling it to freely rotate up to 45 degrees in both the pitch and roll axis.

At the bottom of the trunnion, there are 4x slots suitable for M8 fixings to secure the bracket to either; a flat surface, the MD22 Bulkhead Bracket, or the MD24 Pedestal Pelorus Stand.

Finished in Window Grey (RAL7040) Semi-gloss Powder Coat.

The MD69TB Trunnion Bracket from Marine Data: easy to install and simple to maintain.


  • Trunnion Bracket assembly with fitted Gimbal for the MD69BR/BO Bearing Repeater
  • A stable platform for taking compass bearings
  • Interior or exterior surface mounting
  • Rugged, marinised aluminium construction


To mount a Marine Data MD69BR/BO Bearing Repeater securely in interior or exterior environments
To provide a platform suitable for taking bearings using a Marine Data Azimuth device or bearing circle

By Marine Data

Additional information

Weight 7.9 kg
Dimensions 36.00 × 36.00 × 28.00 cm
Item Measurements

Please see Data Sheet

Item Measurements

Please see Data Sheet