The MID CONTINENT® INSTRUMENT (MCI) 3" TSO'd Turn Coordinators are value priced  and engineered for reliability and a long service life. Depending on the model, they can be a direct replacements for most coordinators with 3-pin or 5-pin connectors. 

These instruments show  a standard 2 minute turn when balance ball reaches either side of display. MCI turn coordinators feature a HEA non-glare glass screen for easy readings, an operating range of temperatures from -30 to +50 deg. C and altitude-1000 to 35000 ft and they can operate on a voltage range from 10-32 VDC for convenience. Power consumption is 0.28 A. They can be front or rear panel mounted in a 3 1/8" hole. Dimensions: 3 1/4"X3 1/4"X5". Max Weight: 1.4 lbs. Available in lighted and unlighted versions. FAA TSO certified to C3b.

The “B” models are equipped with a proven AC rotor powered by a solid-state inverter, creating less heat behind the panel. Utilizing a brushless rotor design, these models exhibit top industry ratings of 4,800 hours MTBF. They are ideal for use in high performance aircraft and cold-climate applications.

MID CONTINENT® INSTRUMENT (MCI) FAA/PMA approved precision quartz lighted clock meeting rugged aircraft environmental standards. Available in 14 Volt or 28 Volt versions.