MGL Vega AHRS-1 2-1/4 Color AHRS Compass Display

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Part# 11-15983
MFR Model# AHRS-1


The AHRS-1 for Experimental / LSA aircraft is a 2 1/4Ē sunlight readable color display instrument providing a display for an artificial horizon reference system (AHRS), an advanced digital compass, or both depending on which sensor packages are connected.
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  • Compass with slip indicator (requires MGL Avionics SP-6 sensor package)
  • Horizon with optional slip, turn indicator & G-Force (requires MGL Avionics SP-7/9 sensor package)
  • Turn and bank indicator (requires MGL Avionics SP-7/9 sensor package)
  • Combined compass and horizon display with bank indicator, slip indicator & G-Force (requires MGL Avionics SP6 & SP-7/9 sensor package)
  • Can be setup as an individual compass display, artificial horizon or both
  • The AHRS-1 / MAG-1 is connected to the AHRS / Compass sensor packages by a simple CAN bus interface. This allows for the optimum placement of the sensor packages in the aircraft
  • More then one AHRS-1 unit can be connected onto the CAN bus. This allows the compass, artificial horizon and the turn and bank indicator to be displayed on different units
  • G-Force indicator (MGL Avionics SP7 required).
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This device would likely be pretty nice but it fits a 2 opening instead of 2 1/4. When it got here I discovered this when I tried to install it in my panel

Larry C
May 11, 2019


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Does the MGL Vega AHRS-1 display work as an attitude indicator as a stand alone unit? Or does it need additional sensors package?

Per the install manual you will need the SP-7 (attitude sensor) and SP-6 (compass) units to drive the instruments for this gauge.

Q: MGL Vega AHRS-1 requires unit -7/9 not shown or priced. Can you update me on this please?

To be used as a compass with optional slip indicator, you would require the SP-6 Magnetometer, our Part# 11-09744. For the Horizon with slip, turn, & G-Force or Turn/Bank indication, you would require the SP-7, our part number 11-09743. The combined functionality would require both a SP-6 and a SP-7. These have now been added to the options selection on this unit.

Q: What is included in the package? Ref.: 12.2 Connection Diagram schematic Fuse holder, 1.0A Slow Blow fuse, 120 ohm resistors (2 shown), twisted pair wiring, Alarm Lamp... ?

The AHRS-1 comes with a connector to apply pwr/ground and wire in the CAN bus.

Q: What face size is this instrument? 2 or 2 1/4?

This is a 2-1/4 instrument.

Q: If I want only compass feature do I need to purchase any sensor package at all ?

You would need to add the SP-6.

Q: Can this instrument be used as a primary compass in a certified airplane?

No, this unit is not FAA Approved for use in experimental aircraft.

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