WICHITA, KAN. – Mid-Continent Instruments and Avionics has announced that the FAA has granted a Part 23 Approved Model List (AML) Supplemental Type Certificate (STC) for the MD302 Standby Attitude Module (SAM®). SAM is the first 2-inch, entirely self-contained, solid-state instrument that provides attitude, altitude, airspeed and slip information to the pilot during normal operation or in the case of primary instrument failure (www.flySAM.com).