The MD41 is a compact, self -contained GPS Annunciation and Control unit. It combines all the necessary functions required to interface the Honeywell KLN 89B or KLN 94 approach-certified GPS receiver when used 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# MD41-1528) is a 28V unit with horizontal orientation compatible with the Honeywell KLN 89B or KLN 94 GPS system. Control unit only.
- Compatible with Honeywell KLN 89B or KLN 94
- Includes CDI and suspend mode switching
- 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: | MD41-1528 |
| ECCN: | 9A991 |
| SCHEDULE B CODE: | 8536.50.9030 |
| TSO: | C129 |
Weight: 0.50 lbDimensions: 2.75 x 3.22 x 0.80 in.Temperature: -55ºC to +70ºC Humidity: 95% non-condensingAltitude: 55,000 ft
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: MD41-1528
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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.
