MID-CONTINENT instruments CO. Inc. Began AS a small repair station for wichita S growing aircraft industry in 1964. It has grown today into a worldwide OVERHAUL/REPAIR facility and major original equipment manufacturer (OEM) manufacturer. It is one of the leaders in the OVERHAUL/EXCHANGE. Repair. Design and manufacturing of aircraft instruments and avionics in the world. True blue power is a division of MID-CONTINENT instruments CO. Inc. That designs and manufactures aircraft inverters and emergency power supplies. MID-CONTINENT instruments CO. Inc.is a federal aviation administration (FAA) and european aviation safety agency (EASA) authorized repair station. The Company offers products. Such AS airspeed indicators. Altimeters. Annunciations. Avionics. Batteries. Engine instruments and vertical speed indicators.