Seanav Marine
Maritime Engineering Journal Class Compliance Review

DS 85 DOPPLER SPEEDLOG

⏱️ 5 min read

marine navigation equipment marine service speedlog — Seanav India provides certified marine navigation and communication support for vessels worldwide.

DS 85 DOPPLER — certified service at SPEEDLOG

Furuno DS-85 Doppler Speedlog The Furuno DS-85 Doppler Speedlog is a high-performance speed measurement system designed to provide accurate, real-time data on a vessel’s speed over the ground (SOG) and speed through the water (STW). Using advanced Doppler radar technology, the DS-85 offers precise and reliable speed readings, making it an essential tool for navigation, safety, and performance monitoring. This system is ideal for commercial vessels, yachts, and other maritime applications. Key Features: Doppler Radar Technology The DS-85 uses Doppler radar technology to measure the vessel’s speed, providing highly accurate speed readings by analyzing the frequency shift of radar waves reflected from moving objects in the water. Speed Measurement (STW and SOG) The system offers both Speed Through Water (STW) and Speed Over Ground (SOG) measurements. STW provides the vessel's speed relat…

Why choose Seanav India

  • Certified marine electronics engineers with gyro, radar, GMDSS, and bridge system expertise
  • IMO, SOLAS, and class-society aligned installation, testing, and documentation
  • 24/7 emergency breakdown support at 170+ Indian ports and worldwide coverage from Dubai

Service scope for marine navigation equipment

Seanav India supplies, installs, calibrates, and certifies marine navigation equipment systems for fleets calling SPEEDLOG. We provide OEM parts, emergency breakdown cover, and class-society aligned test records.

Maritime expertise: Seanav India is a Dubai-headquartered NAVCOM specialist trusted by fleet operators for navigation and communication systems. Request support from our certified engineers: Contact Seanav India · Navigation services · Marine equipment.

Reviewed by Verified Maritime Technical Authority

Seanav Technical Engineering Board

Lead Marine Electronics Technical Superintendent

Senior technical marine electronics engineering board coordinating statutory SOLAS Chapter IV/V radio surveys, gyro compass overhauls, VDR APT certifications, and 24/7 technical riding squads across 170+ Indian commercial ports.

🛡️ SOLAS Marine Navigation & Communication Maintenance
🛡️ MCA Approved Magnetic Compass Adjustment Network
🛡️ GMDSS General Operator Certificate (GOC) Standards
🛡️ Surveys for All IACS & Non-IACS Classes via Channel Partners

🚨 24/7 Port & Anchorage Technical Dispatch

Calling at an Indian Port? Need Immediate Attendance or Spares?

Our factory-trained marine electronics engineers board vessels calling at all Indian major ports within 2–4 hours with bonded OEM spares:
JNPT (Nhava Sheva),
Mumbai,
Kandla,
Mundra,
Cochin,
Chennai,
Vizag, and
Paradip.
Statutory Class surveys coordinated for all IACS & Non-IACS classes through accredited channel partners across India.

📞 Call Duty Engineer: +91 88508 49050
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