Dear JPI Folks: I replaced my EDM-700 this weekend with the EDM-730.  I had inherited the unit from a previous owner and although it worked just fine, I was intrigued by the larger color 730 version upgrade (actually, I couldn’t resist).  The install was uneventful and – as you said…

Dear Mr. Polizzotto, I have a EDM 700 in my aircraft and began having dimming issues with the display. I spoke to you at Sun N Fun and you asked me to send it in for repair/update at N/C. I received the repaired instrument and everything seems flawless. I wanted…

Dear JPI: At the urging of my mechanic  we installed your JPI700. I had used a competitor’s engine monitor, but found lean of peak operation exceedingly difficult and engine performance data limited. Within the first 20 minutes of my departure for northern Canada (i.e., Cambridge Bay, NU, Inuvik, YK), the…

Dear Joe, I currently own a Christen Eagle which I have been displaying and competing with over the last few years. The modified Biplane performs incredibly well, but it has been a rollercoaster ride with the authorities here in UK. There is still more to do (New wing and colours…

Mike Bush Red BoxRed Fin The above PDF link is an article by Mike Bush on -how not to lean your engine-. You will find this useful and valuable information, that dispels many of the myths about running LOP.

June 4, 2010, my partner in our 1979 PA-28-236 (Dakota) Richard Klein and I, as is common for us, left KDXR to practice some instrument approaches. I flew first and did the ILS 6 at KBDR, followed by the ILS 36 at KOXC. We pulled off the runway at OXC,…

Dear JPI, I recently installed an EDM 930 in my Beechcraft Sundowner.  It is one of the best things I’ve done. The peace of mind, the improved situational awareness, and vastly improved engine performance make this purchase worth every penny. While most other pilots only guess at their fuel quantity (seldom…

Technical Standard Order: All of JPI’s instruments are TSO’d giving you the highest quality the FAA can approve. PMA being the lowest FAA approval rating. What does FAA ISO (Technical Standard Order) Mean to you? It is an instrument that is Airworthy and will not degrade other instruments. It has…

J.P.Instruments founder, Joseph Polizzotto, started his career in the 1960’s at Pratt and Whitney Aircraft in East Hartford Connecticut. After gaining experience in thermocouple technology he designed his first Scanner™ in 1979, for his Cessna 172. Many improvements were made with the help of his Uncle, Joe Giannelli, and his…