SPERRY SPEED LOG TRANSDUCER TYPE 4874 – Expert Support & Marine Service by SEANAV

The SPERRY Speed Log Transducer Type 4874 is a crucial marine navigation component used to measure vessel speed through water with exceptional accuracy. At SEANAV, we specialize in the supply, repair, calibration, and maintenance of this essential system across major Indian ports. With our technical proficiency and hands-on experience, we ensure your SPERRY speed log performs optimally under all maritime conditions.

Designed for integration with SPERRY Marine Speed Log Systems, the Type 4874 transducer converts water flow data into precise speed values. This information is vital for navigation control, docking, voyage planning, and autopilot functions. SEANAV’s engineers are trained in servicing both older and newer SPERRY log systems, ensuring compliance with IMO and SOLAS requirements.

Our SPERRY Transducer Services Include:

  • Onboard inspection and diagnostics
  • Replacement of Type 4874 transducer units
  • Speed log calibration and sea trials
  • Water ingress prevention and sealing
  • Spare parts supply and connector repair

We support vessels docked or calling at Indian ports such as Mumbai, Kandla, Chennai, Visakhapatnam, Cochin, and more. Our marine-certified technicians ensure minimal vessel downtime while guaranteeing performance and data accuracy.

Why Choose SEANAV?

  • Certified and experienced radar and transducer engineers
  • 24/7 technical response for emergency repairs
  • Access to original SPERRY spare parts
  • Service documentation for class survey compliance

Frequently Asked Questions (FAQ)

1. What does the SPERRY 4874 transducer do?
It measures the speed of a vessel through water and transmits this data to the onboard speed log display system.

2. Can SEANAV replace a faulty 4874 transducer?
Yes, we provide replacement, installation, and re-calibration services for the Type 4874 transducer.

3. Is calibration required after installation?
Yes, calibration is critical for accurate readings and is part of our post-installation service.

4. Do you stock original SPERRY Marine parts?
Yes, we source and supply genuine SPERRY parts, including connectors and mounting hardware.

5. Where can you service the unit?
We offer on-site service across all Indian ports including Chennai, Kandla, and Mumbai.

6. Is the transducer underwater?
Yes, it is typically installed through the hull, making waterproof sealing essential.

7. How long does the transducer last?
With proper maintenance, it can last several years; however, periodic checks are recommended.

8. What causes a speed log to show incorrect readings?
Marine fouling, connector corrosion, or calibration issues can lead to incorrect data.

9. Does SEANAV support drydock service?
Yes, we assist during drydock for installations, inspections, and testing.

10. Do you provide service certificates?
Yes, we issue service reports and documentation required for class approvals.

11. How to contact SEANAV for service?
Email us at support@seanav.com or visit our Contact Page.

Get Reliable SPERRY Speed Log Support with SEANAV

For efficient navigation and marine compliance, ensure your SPERRY Type 4874 transducer is serviced by certified professionals. SEANAV offers fast response, expert diagnostics, and reliable repairs tailored to maritime standards. Contact us today and sail with confidence.