AV-MAG STC External Magnetometer | PMA 57-554-165 The Avionics TDR Kit is

The Avionics TDR Kit is designed specifically for testing and fault location on aircraft wiring

K Series Positioner Crimp Tool

and a luggage handle pass-through on the back simplifies maneuvering

This map light is available in a single color mode or dual color mode: all red

AV-MAG STC External Magnetometer | PMA 57-554-165 The Avionics TDR Kit isThe AV Mag external magnetometer is a three axis electronic compass. AV Mag precisely measures the earths 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.