The Mid-Continent MD200-706 is an updated version of the MD200-306.  Like the Garmin GI-106B which is based upon it, the MD200-706 offers three main upgrades over the MD200-306.

On most Indicators, the needles are always visible. If a needle is not being driven by a valid signal, a flag is displayed to warn the pilot not to follow it. The MD200-706 does not use warning flags. Instead, a needle which is not being driven by a valid signal is simply stowed out of sight. There is no possibility of a pilot following invalid guidance if the needle cannot be seen.

Additionally, all the lighting in the MD200-706 has been updated to LED. This will greatly lengthen the service life, and reduce susceptibility to vibration.

Lastly, the navigation annunciation has been changed from "BC" (on the MD200-306), to "VLOC" (matching the Garmin GI-106A and GI-106B).  This makes this MD200-706 a good replacement for the GI-106A and GI-106B, but not the MD200-306.

There is no non-Glideslope version of the MD200-706.  This Indicator can certainly function as a non-Glideslope Indicator (with the Glideslope needle hidden), but it is admittedly more expensive than a non-Glideslope version would have been if offered.

The Mid-Continent MD200-706 is designed to be compatible with the following GPS and NAV avionics:

• Garmin GNS-430
• Garmin GNS-430W WAAS GPS
• Apollo CNX-80 (Garmin GNS-480) WAAS GPS
• Garmin GNS-530
• Garmin GNS-530W WAAS GPS
• Garmin GTN-650 WAAS GPS
• Garmin GTN-750 WAAS GPS
• II Morrow / Garmin AT Apollo SL-30 NAV/COMM with Glideslope
• Collins VIR-350A NAV
• Collins VIR-351 NAV
• King KNS-80 NAV/RNAV/DME/Glideslope
• King KNS-81 NAV/RNAV/Glideslope
• King KX-165 NAV/COMM 14V (with Glideslope)
• King KX-165 NAV/COMM 28V (with Glideslope)

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