The MD41-244/248 is a bulkhead mounted remote transfer relay unit specifically designed for switching a CDI or HSI Indicator between two aircraft radio navigation systems. The remote switching unit is designed to be used with the companion MD41-1XXX series Annunciation Control Unit (ACU). This pertains to GPS systems where the user desires to share a common CDI or HSI between an existing NAV system and a GPS system.
Version (EMDO# MD41-244) is a 14V remote mounted transfer relay.
- 24 pole
- 8 relay pairs with 3 poles per pair
- Relay pairs activated individually by voltage, ground keying, or as a group by ground keying
- Interlocking of transfer relays
- ILS override automatically switches to Nav mode when tuned to ILS frequency
- Adjustable dimming regulator
- Gold plated contacts
- Nitrogen filled
Product Codes | |
|---|---|
| Mfr Part No: | MD41-244 |
| ECCN: | 9A991 |
| SCHEDULE B CODE: | 8536.50.9030 |
| TSO: | C129 |
Weight: 0.75 lbDimensions: 2.86 x 2.60 x 1.52 in.Temperature: -55ºC to +70ºC Humidity: 95% non-condensingAltitude: 55,000 ft
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: MD41-244
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Returns & refund summary
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- Restocking fee: 20% on unopened items, 30% on open-box items.
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- 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.
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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.
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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.
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