The DM NI50 reduces maintenance costs due to its low profile, all-metal blade that provides unequalled mechanical strength and reliability. The NI50 antennas are engineered for use on business, commercial, and military aircraft. NI50 DME antennas can be used will all standard L-Band equipment operating on the 960 MHz to 1,220 MHz frequency band. These antennas are interchangeable with with virtually all L-band blade, flush mountable antennas currently in service on commercial and military aircraft.
This DM NI50 DME/ATC antenna (Alternate Part# DMNI50-2-5) has a type C male connector, and a four-hole mounting pattern, and is painted with yellow primer.
- Extremely high side load strength guards against breakage by ground handling gear
- Completely sealed construction prevents moisture intrusion
- Lightning protection circuits safeguard electronic equipment
- Low-profile, all- metal blade antenna
- Direct current ground design
- Interchangeable with most L-band blade and flush mount antennas
- Multiple color and connector configurations available
Product Codes | |
|---|---|
| Mfr Part No: | DM NI50-2-5 |
| ECCN: | 7A994 |
| SCHEDULE B CODE: | 8526.10.6000 |
Weight: 4 ozHeight: 2.2 inFrequency Range: 960 MHz – 1,220 MHzVSWR: < 1.7:1 (960 MHz – 1,220 MHz) < 1.5:1 (1,000 MHz – 1,100 MHz)Gain: 0 dB, average @ horizonImpedance: RF: 50Ω DC: short circuitPolarization: verticalRadiation Pattern: hemisphericalPower Handling: 3kW (peak), 100 watts (average)ENVIRONMENTAL:Aerodynamic Drag (@ sea level): 2 oz (mach 0.5) 4.5 oz (mach 0.8)Side Load: TSO C34cARINC: 532 E (ATC transponder) 521 D (DME)FAA: TSO-C74 (ATC transponder) TSO-C66a (DME)
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: DM NI50-2-5
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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.
