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The Ultimate Backup Instrument?

One of the most intriguing instruments that can go in your panel may be one of the most 'redundant' gauges to hit the industry. Mid-Continent Instrument's MCI 4300 AI offers incredible piece of mind to pilots who do a lot of flying in IMC and simply want more redundancy than most airframes already provide--especially in an age where a number of aircraft are being built "all-electric."

Currently the only attitude indicator to offer a self-contained battery backup, the MCI 4300 AI provides one hour of emergency attitude reference -- no matter what happens to the aircraft's main power sources... including the airframe battery(s).

GA manufacturers are taking notice with recent adoptions of the 4300 by industry heavyweights like Mooney and Piper, MCI is winning fast converts. The battery is a small add-on module that attaches to the back of the main AI chassis (see last photo below) and will need replacing every three years... a task made quite a bit easier by the ...