The C70 Series VHF Communication Antennas are designed to be installed on the top or bottom on high-performance, single, twin and turbo engine fixed and rotary wing aircraft. These uniquely designed antennas offer mechanical strength and high electrical efficiency to provide maximum reliability and full 360/720 channel transceiver operation. Its lightweight profile is unobtrusive, resists icing, and has low drag.
This C70 series VHF communication antenna (Alternate Part# DM C70-4) has a has 4-hole mounting pattern, centered BNC connector, and a 2.58 x 4.26 inch footprint.
The DM C70-4 is specifically designed for bottom installations, where ground clearance does not permit the use of other C70 series antennas. The C70-4 provides a higher degree of efficiency to assure maximum performance.
- 118 MHz – 137 MHz frequency range
- 2.0:1 VSWR
- 250 MPH speed rating
- Specifically designed for bottom installations, where ground clearance does not permit the use of other C70 series antennas
Product Codes | |
|---|---|
| Mfr Part No: | C70-4 |
| ECCN: | 7A994 |
| PROAPP: | PT1084NE |
| SCHEDULE B CODE: | 8526.10.6000 |
| TSO: | C37d,C38d |
Weight: 12 oz (0.34 kg)Dimensions: 8.9 in, height 4.26 in, baseConnector: BNC femaleFinish: white polyurethaneFrequency Range: 118 MHz – 137 MHzVSWR: 2.0:1 (DM C70-1/A)Polarization: verticalPower: 50 wattsImpedance: 50ΩRadiation Pattern: omni directionalConnectors: BNC femaleSpeed Rating: 250 MPH (DM C70-1/A)Approvals: TSO C37d, TSO C38d
- Stock: Warehouse
- Manufacturer Part #: C70-4
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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.
