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Annunciation Control Unit/28V, Vertical. For use with Garmin GTN-650/750 models. MD41-1511

Annunciation Control Unit/28V, Vertical. For use with Garmin GTN-650/750 models.  MD41-1511
Out of Stock
Annunciation Control Unit/28V, Vertical. For use with Garmin GTN-650/750 models. MD41-1511
ANNUNCIATION CONTROL UNIT/28V, Vertical. For use with Garmin GTN-650/750 models. MD41-1511
MD41 Series Annunciation Control Unit | 28V, Vertical, Garmin

The MD41is a compact, self-contained Annunciation and Control Unit (ACU). The fully integrated control unit provides annunciation and mode selection for Global Positioning System (GPS) / Satellite-Based Augmentation System (SBAS) navigators. This series of the MD41 product family is specifically designed to work with the Garmin GTN 6XX/7XX series WAAS navigator systems and derivatives with equivalent functionality. It combines the necessary functions and annunciations required to interface with an approved system and provide regulatory compliance with GPS/SBAS minimum performance specifications.

Version (Alternate Part# MD41-1511) is a 28V unit with vertical orientation compatible with the Garmin GTN 650/750 GPS system.


  • Compatible with Garmin GTN 6XX/7XX WAAS Navigators
  • Includes CDI and suspend mode switching, independent of OBS per new GTN requirements
  • Compact, self-contained GPS annunciation control unit
  • Automatic-dimming and daylight readable LED lighting
  • Single cutout and locking D-subminiature connector reduces installation costs
  • Quality Mil-Spec connector included
  • TSO-C129 certified
  • Qualified to RTCA DO-160 environmental specs

AI disclosure: this description was generated with AI assistance from this product's own listing data.


Product Codes

Mfr Part No:MD41-1511
TSO:C129


Weight: 0.26 lbDimensions: 3.25 x 3.20 x 0.80 in.Temperature: -55ºC to +70ºC Humidity: 95% non-condensingAltitude: 55,000 ft

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  • Stock: Out of Stock
  • Manufacturer Part #: MD41-1511
$1,043.72

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  • Refund processing fee: 5.51% applies only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
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If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.

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