The N43 series navigation antennas for general aviation aircraft is a low profile antenna for use with 75 MHz marker beacon receivers. Designed to be mounted on the bottom of the aircraft, the N43 provide a broad, single-lobed pattern that's directed downward. The N43-4 is rugged enough for use on all subsonic aircraft.
This N43-3 marker beacon antenna (Alternate Part# DM N43-4) has a BNCf connector, flange mounting, and painted white.
- General aviation use
- Low profile design
- Designed to be mounted on the bottom of the aircraft
AI disclosure: this description was generated with AI assistance from this product's own listing data.
Product Codes | |
|---|---|
| Mfr Part No: | DM N43-4 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8526.10.0010 |
| TSO: | C35c |
Weight: 1.0 lbConnector: BNC female UG-89Finish: whiteFrequency Range: 74.75 MHz – 75.25 MHzVSWR: < 5:1 < 2:1 @ 75 MHzGain: -10 dBImpedance: 50ΩPolarization: horizontalRadiation Pattern: hemisphericalDC Resistance: groundedPower Handling: receive onlyEnvironmental: FAA TSO C35c D0138 ENV. CAT. JAJ XXXDrag (@ sea level at 250 MPH) < 0.5 lb
- Stock: Out of Stock
- Manufacturer Part #: DM N43-4
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.
