EVENTS:APM Singapore, 14th-16th March 2018SAS, Washington, 9th-11th April 2018SMM Hamburg, 4th-7th September 2018DSEI London, 10th-13th September 2019


A complete Pelorus Stand solution with fitted precision Bearing Repeater in gimbals for taking celestial and terrestrial bearings


Strong, sturdy & built to last

The MD69/21 Pelorus Stand Assembly is a complete Bearing Repeater solution with a fitted gimbal and a precision dual-scale bearing repeater bowl. Available with a range of options for all types of vessel. The MD69/21 is lightweight, easy to install and extremely rugged, suitable for wheelhouse and for exterior deck environments.

Fitted as standard is an IP65 waterproof terminal box to connect with the vessel’s cabling.
A Weather Dome and a flexible Pelorus Cover are available as accessories.

The MD69/21 Pelorus Stand Assembly from MARINE DATA: Flexible in application, easy to install and simple to maintain.

Special Features

  • Rugged Glass Reinforced Plastic (GRP) composite construction with Gimbal
  • Precision Dual-Scale 36:1 Bearing Repeater Bowl with Heading Source Indicator (True / Magnetic)
  • Red tint illumination with built-in Rotary Dimming Control
  • Robust construction for the most arduous of environments
  • Integral earth bond from the Terminal Box to the Pelorus Stand
  • Can be customised to suit a variety of situations and requirements


  • Provides a rugged, weatherproof Bearing Repeater solution on a deck or on a bridge


  • Weight: 22 kg complete assembly (including optional dome); 12 kg (stand only)
  • Dimensions: H 1200 mm (H 1375 mm with optional Weather Dome); max Ø 450 mm
  • Repeater Bowl: Model MD69BR Precision Dual Scale 36:1
  • Mounting: Deck; 4x M20 bolts (not supplied)
  • Connections: Integral Terminal Box
  • Construction: Glass Reinforced Plastic (GRP)
  • Finish: RAL7040 Window Grey, semi-gloss


  • Earth Bond: M4 stud on cable terminal box
  • Illumination: Built-in rotary dimming control 0-24 V dc Red tint illumination colour
  • Heading Data: NMEA 0183


  • IP rating: IP67 (Repeater Bowl); IP65 (Terminal Box)
  • Operating temp: -25°C to +55°C
  • Storage temp: -25°C to +70°C
  • RoHS: Compliant
  • Magnetic: Magnetic Permeability: Category ‘A’
  • Compass: Safe distance: 50 cm


  • Complies with: IEC60945
  • Type Approval: Germanischer Lloyd (GL)


  • Supplied: MD69CB/W IP65 rated waterproof terminal box