- Interface and annunciation device that combines navigation source switching to pilot's primary CDI or HSI with key GPS selection and annunciation functions
- Transfers Navigation display between VOR/LOC and approach certified GPS systems
- Provides up to 19 user defined relay poles
- TSO C129 Approved to meet NEW FAA field approval requirements
- Lighted push buttons and daylight readable annunciators
- Push-button lighting level is controlled by the instrument lighting rheostat
- Annunciator lighting is automatically dimmed by means of a photocell feedback circuit
- Available in Horizontal or Vertical configuration
- Available with 5, 14, or 28 Volt lighting
- Available for most GPS manufacturers
Product Codes | |
|---|---|
| Mfr Part No: | MD41-528 |
| ECCN: | 9A991 |
| SCHEDULE B CODE: | 8536.50.9030 |
| TSO: | C129 |
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: MD41-528
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 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.
