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EHSIs
Just read the April issue. Most flying magazines could take a lesson in how to fill 32 pages with useful information. I enjoyed the commentary/suggestion regarding a device in between a full-up glass cockpit and an EHSI. Larry Anglisanos article on the EHSIs was excellent and reading between the lines, seemed to be looking for the same thing.

A few years ago I read that Dynon had designed an all-electronic EFIS system that was relatively low cost for the homebuilt market (www.dynonavionics.com) . Why not the Dynon HSI to fill the obvious void? If there is a market and will someone step in to take the system throu...

Ice Detector Woes
I enjoyed your article on carb ice detectors. Id like to relate to you an incident that happened to my aircraft partner and I, where the carb temp indication system delayed our decision to use heat.

During an approach into Las Vegas in IMC with snow, we were slowly losing engine RPM and then altitude. The carb temp indicator was we'll above the yellow caution range. Im an A&P and I had recently checked and confirmed the carb temp indicator for proper accuracy. Because we were convinced that we couldnt have carb ice due to the indicated temperature, we spent precious time looking for other reasons for the loss of power.

At 800 feet below our assigned...

WSI Fan
We just put a WSI Inflight displayed on a MX-20 in our Malibu. It is a fantastic piece of gear. It completely eliminates the need for a Stormscope-we spent seven grand on a WX-500, too-and it is really better than onboard radar due to the panning feature, which lets you look ahead (or around) as far as you want.

The articles that talk about the need forboth are just wrong and I suspect are driven by the same thought process that sold us on putting in the WX-500 and were originated by those who want to sell more avionics gear. The signal is almost never more than two minutes old and I have never seen it older than four minutes. The 1 nm resolution is sufficient bu...