[Karl Wolff]

I recently purchased N39070, AA1-C with an 0-320 STC. As part of my complete panel overhaul, I installed a CGR30P (rebate is only $400 now) to free up panel space and bring 21 century tech to the factory original panel. I can’t say enough about the situational awareness that instrument brings to the game. I have put over 50 hours on the bird since the modification in Aug (thank you Aero Services and Brandon at Santa Fe, Regional Airport) and have had almost no issues with the engine monitor, barring a loose probe that gave an intermittent EGT reading (Brandon tightened up the probe at no charge). The fuel flow indication, while mathematical rather than actual, is very accurate. Keep your fuel intake information up to date and it will give you good data.
I do not care for the yellow and red arc RPM information that EI factory programmed into the gage as it results in numerous alerts climbing out or any phase of flight with changing RPMs. The Lycoming manual says green arc to 2700 RPM, but the STC data proscribes the caution and warning arcs apparently to avoid FAA testing requirements according to FletchAir.
Overall, I would highly recommend any engine monitor upgrade, but I am very pleased with the information and display of the CGR30P.

Karl Wolff
315.569.4509

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