Mid-Continent Instruments and Avionics Item 4200

Electric Attitude Indicator


  • Best value in a 2-inch electric attitude indicator
  • A safe alternative to unreliable vacuum systems
  • Single 4-pin connector installation
  • Perfect for use as a standby artificial horizon in fixed-wing aircraft and helicopters
  • Versions available to match existing instrument/EFIS displays
  • 10–32 volt DC operation for use in 14 and 28 volt aircraft
  • Standard equipment on many OEM aircraft
  • Anti-reflective glass enhances visibility and reduces fatigue
  • Long-life LED lighting, user selectable to 5, 14 or 28 volt input
  • Can be used with optional MD420 Emergency Power Supply to provide up to one hour of emergency attitude reference during an electrical failure
  • Combine with a Mid-Continent MD15 Altimeter and MD25 Airspeed Indicator for a complete standby package designed for tight panel applications
  • Approved to FAA TSO-C4c and RTCA/DO-160D and E certified
  • Designed and built in Wichita, Kansas, USA
  • One year limited warranty


MTBF - 2,500 Hours

Certification - FAA TSO-C4c, RTCA/DO-160D and E

Power Input - 10–32 VDC:

14 VDC input (1.4A max start, 0.51A running)
28 VDC input (0.6A max start, 0.25A running)


Rotating roll dial configuration, blue over brown
Traditional symbolic airplane

Panel Tilt - Aircraft specific – specify exact tilt between 0° and 20°

Lighting - Internal LED lighting switchable to 5, 14 or 28 VDC input; wired through main connector

Glass - Special HEA anti-reflective coating

Weight - 1.6 lbs.

Length - 5.94 inches

Mounting - Rear mount in standard 2" MS33638 panel cutout

Temperature Range - –30°C to +70°C (–22°F to +158°F)

Mating Connector - MS3116F8-4S (Mid-Continent P/N 9015514)