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
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
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: MD41-1511
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
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.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
