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UAvionix AV-Mag STC External Magnetometer for AV-30 Certified

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Part# 11-19517
MFR Model# UAX-90093-01


AV-Mag external magnetometer is a 3-axis electronic compass. AV-Mag precisely measures the earth’s magnetic field and aids the AV-30 directional heading measurement, improving long-term accuracy and consistency. One AV-Mag can support multiple AV-30 displays.
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Width: 1.49 Inches
Height: 0.67 Inches
Depth: 2.38 Inches
Weight: 1.4 oz (40.0 grams)

For the AV-Mag to be effective, the installation and calibration must be done with accuracy and precision.
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Works good so far. Mounted in right wing tip of C172. Installation and calibration went smooth. I will give it five stars if it continues to perform well.

Jeffrey N
September 10, 2023


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: Where can I find the installation instructions for the certified version?

The installation instructions are under the documents tab on the AV-30-c page.

Q: Install instructions of the UAvionix AV-Mag STC External Magnetometer for AV-30 Certified?

See pages 46-58 of the of the linked Install Instructions in the Documents section for the AV-Mag install details.

Q: What size wire do you need to splice it to the mag to run into the plane?

22-24 gauge

Q: Can the AV-MAG support two AV-30s?

Yes, the AV-MAG can support up to 5 AV-30s.

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