https://www.dekut.com/Technology/cht-probes/ The EDM-930 is certified as a primary flight instrument. With the 930 on board, you can remove many of your old engine gauges, and open up valuable space in your panel. Fly with confidence as your EDM930 acts as your full time on-board flight engineer. Tue, 23 Jan 2018 05:10:08 UTC en