
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
- Stock: Out of Stock
- Manufacturer Part #: MD41-1511
Aircraft Fitment Finder
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 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.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- 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
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.