The AV-Mag external magnetometer is a three-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.This AV-MAG STC (EDMO# UAX9009301) is designed for use in certified aircraft and is compatible with the AV-30C.
