Airmar SS175C Navico BL Review Pros & Cons
Introduction
For marine professionals and offshore fishing enthusiasts, choosing the right transducer is a critical decision that affects sonar clarity, fish detection, and navigation safety. One top-tier option making waves in the industry is the Airmar SS175C-12-HW 12d Tilt High Wide CHIRP with Navico BL. Designed for thru-hull installation and optimized for saltwater performance, this model integrates seamlessly with Navico systems to deliver crystal-clear returns at depths up to 600 meters.
The Airmar SS175C Navico BL uses CHIRP technology to sweep through high-frequency ranges, giving users the benefit of wide coverage without sacrificing detail. It’s built for vessels that demand more than average — it’s a tool for precision, reliability, and depth intelligence. Whether you’re upgrading your sonar setup or fitting out a new boat, this transducer deserves a serious look.
Overview / What Is Airmar SS175C Navico BL
The Airmar SS175C-12-HW 12d Tilt High Wide CHIRP with Navico BL is a thru-hull, bronze-bodied CHIRP transducer specially designed to support high-frequency broadband signals. With a 12-degree tilt and a high wide beam (150–250 kHz), this model is ideal for deep-sea fishing and detailed structure scanning. The 12-degree tilt compensates for hull deadrise, delivering a vertical beam path for maximum sonar precision.
Paired with Navico’s Broadband sonar technology (compatible with Simrad, Lowrance, and B&G systems), the SS175C Navico BL provides exceptional target separation and accurate bottom tracking even at speed. It’s built for boats between 8–12 meters and is capable of distinguishing baitfish, thermoclines, and gamefish in a wide cone with unmatched clarity.
Key Features of Airmar SS175C Navico BL
- CHIRP range: 150–250 kHz (High Wide CHIRP)
- 12-degree fixed tilt for deadrise hull compensation
- Depth rating: up to 600 meters (2,000 feet)
- Solid bronze housing ensures corrosion resistance
- Connector type: Navico BL (Blue connector)
How to Install Airmar SS175C Navico BL
Proper installation of the Airmar SS175C Navico BL is essential for optimal performance. Begin by selecting a location away from strakes, thru-hull fittings, and water turbulence. The bronze housing requires a fairing block for best alignment unless hull design matches the 12-degree tilt. Seal with marine-grade polyurethane to prevent leaks.
The blue BL connector easily plugs into Navico sonar modules like the Simrad S5100 or NSS evo3. For DIYers, Airmar’s installation manuals provide step-by-step guidance. Professionals should always handle hull drilling and sealing to avoid costly errors.
CHIRP Advantages in Saltwater Environments
Traditional sonars send a single-frequency ping, but the Airmar SS175C Navico BL transmits a continuous sweep of frequencies, offering better resolution and greater clarity. The high wide CHIRP bandwidth (150–250 kHz) gives a 25° beamwidth that allows broader seafloor coverage without compromising detail.
This beamwidth is especially effective in saltwater where deeper and denser layers challenge traditional sonar. It excels at picking up thermoclines, wrecks, and individual fish arches — even while trolling or moving at higher speeds.
Maintenance Tips
Regular maintenance extends the lifespan of your Airmar SS175C Navico BL and maintains its accuracy:
- Inspect monthly for marine growth and clean with a soft cloth or non-abrasive pad.
- Avoid high-pressure cleaning as it may damage the ceramic face.
- Check the connector regularly for corrosion or water intrusion.
- Winterize your vessel by checking the integrity of the sealant and housing.
Use antifouling paint recommended by Airmar to prevent barnacle buildup. Follow specific guidelines on re-coating intervals based on water temperature and usage.
Expert Advice and Pro Recommendations
Seasoned boaters and sonar techs agree — the Airmar SS175C Navico BL is ideal for offshore gamefishing, bottom structure identification, and deepwater anchoring. It provides data reliability crucial for safety and navigation during extended passages.
Those upgrading from single-frequency or non-CHIRP systems will immediately notice improved target separation. Compatible with Yamaha outboards, this transducer integrates well with top-tier marine propulsion setups, making it a favorite among sportfishers and research vessels alike.
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Detailed FAQ Section
What makes the Airmar SS175C Navico BL different from standard transducers?
The main difference lies in its CHIRP technology and high wide beam. Traditional transducers send out a single-frequency pulse, which offers limited resolution and target separation. In contrast, the Airmar SS175C Navico BL uses CHIRP (Compressed High-Intensity Radar Pulse) to transmit over a range of frequencies (150–250 kHz), resulting in a more detailed, noise-resistant image of what’s beneath your boat. Furthermore, the “High Wide” element provides a 25° beamwidth—allowing you to scan a much wider area of seafloor, perfect for structure scanning and schooling fish detection.
Is the Airmar SS175C Navico BL compatible with Simrad and Lowrance units?
Yes, the transducer uses the Navico BL (Blue Connector), making it directly compatible with many Simrad and Lowrance systems. Popular units like Simrad NSS evo3, NSO, and Lowrance HDS Live or Carbon can interface with it via sonar modules such as the S5100. Compatibility ensures plug-and-play performance, especially for CHIRP-enabled units. Be sure to verify system requirements for full functionality, including the CHIRP frequency range supported by your display unit or black box.
How long does the Airmar SS175C Navico BL last under regular use?
With proper installation and regular maintenance, the Airmar SS175C Navico BL can last 5 to 10 years. The bronze housing resists corrosion, and the internal ceramic elements are highly durable. Key to longevity is maintaining a clean face (free of marine growth) and preventing connector corrosion. The use of marine sealants and antifouling coatings further increases life expectancy in saltwater environments. Frequent high-speed use or improper cleaning, however, can shorten its operational life.
Can I install the Airmar SS175C Navico BL on a trailer boat?
While this transducer is mainly designed for offshore and larger vessels with through-hull installations, it can be installed on trailer boats provided the hull deadrise and space under the trailer allow safe clearance. However, special care must be taken to avoid impact damage during launch and retrieval. Some boaters prefer installing a fairing block to enhance hydrodynamics and angle accuracy on trailer boats.
What is the price range and value compared to similar models?
The Airmar SS175C Navico BL typically ranges between $1,200–$1,500 depending on the vendor and any ongoing promotions. While not a budget transducer, its value is unmatched in terms of sonar precision, build quality, and frequency range. It outperforms single-band transducers and even mid-level CHIRP units in accuracy, beamwidth, and durability. For serious anglers or those navigating challenging waters, the investment pays dividends in performance and reliability.
Conclusion
The Airmar SS175C-12-HW 12d Tilt High Wide CHIRP with Navico BL is a powerhouse transducer for marine electronics users who demand the highest level of detail, target separation, and sonar reliability. With CHIRP technology, a 25° wide beam, and deepwater capabilities, it’s a clear upgrade for any serious angler or commercial mariner. If you want precise underwater imaging with seamless Navico integration, this transducer is the ideal choice.
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