The MD41 is a compact, self-contained GPS Annunciation and Control unit. It combines all the necessary functions required to interface the Garmin GPS 400/500, GNC 420/520 and GNS 430/530 approach certified GPS receivers with the MD41-244/248 remote mounted relay transfer system. In addition, the MD41 contains several GPS status annunciations used to indicate modes selected by the front panel switches and various inputs from the GPS receiver.
Version (Alternate Part# MD41-1418A) is a 28V unit with vertical orientation compatible with the Garmin GPS 400/500, GNC 420/520 and GNS 430/530 approach certified GPS receivers with the MD41-244/248 remote mounted relay transfer system. Includes remote relay.
- Compact, self-contained GPS Annunciation unit
- More than 25,000 MD41s currently in service
- 10,000 hour lamp with automatic photocell dimming and proven daylight-readability
- 28 Volt
- Vertical configuration
- Reduces installation costs:
- Single cutout
- Panel punches available
- Easy-to-wire D-subminiature connector
- Includes NAV/GPS switching push button for the 400W and 500W series
- Certified TSO C129a
- Meets RTCA DO-160C environmental specs (certified to 55,000 feet)
- Quality Mil-Spec connector included
Product Codes | |
|---|---|
| Mfr Part No: | KITMD41-1418A |
| ECCN: | 9A991 |
| SCHEDULE B CODE: | 8536.50.9030 |
| TSO: | C129 |
Weight: 0.50 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 #: KITMD41-1418A
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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.
