Avionics/Wiring

My engine/essential bus battery is mounted under the subpanel. I will be using a vented EarthX battery in this location as the battery is inside of the cabin. EarthX sells a vent port and vent line. I chose to install… Read More »EarthX Battery Vent

I decided to install a GHA 15 and it made sense to do it before installing the cabin top. I chose to mount it just aft of the baggage compartment. After looking at photos of landing aircraft, this location seemed… Read More »Garmin Height Advisor

I finalized the avionics locations using 3d printed mockups. I plan to purchase the avionics after Oshkosh. Garmin makes all of their products available as CAD models so I was able to also install nut plates in advance. I laid… Read More »Getting Started on the Wiring Harness

I’m using a Garmin GTX 45R as my transponder. The unit provides ADS-B in/out and can stream ADS-B in data to connected devices over Bluetooth (ForeFlight, etc.). For Bluetooth connectivity, Garmin recommends that the unit be oriented such that the… Read More »Transponder Mount

I am installing a dual-battery electrical system. The primary battery, an EarthX ETX900, will be installed in the standard location behind the baggage compartment. The second battery, an EarthX ETX900-VNT (the vented variant) will be installed under the subpanel. A… Read More »Forward Battery Box

I have been experimenting with a few ideas while waiting for epoxy to cure between rounds of finish work on the cabin top and doors. My airplane will be IFR capable and I will be installing an alternate static source… Read More »Alt Static Switch Sensor

I always do one last walk around before getting into the airplane, but there’s still that nagging thought: “Did I latch the baggage door?” My baggage door will have a strut that holds it open when unlocked so it should… Read More »Baggage Door Sensor

The Garmin avionics that I am using provide support for a TO/GA (takeoff/go around) button. When used during a missed approach, this instructs the flight director to perform a straight-out wings-level climb and sequences the missed approach procedure on the navigator.… Read More »Throttle TO/GA Button

I have chosen to design and build my avionics wiring harness so I have been spending most of my build time lately working on wiring diagrams and a CAD model of my panel and sub panel. Creating a comprehensive wiring… Read More »Avionics Installation Planning