Seanav Marine
Type-Approved ECDIS Specialists Dual LAN Sync & Sensor Interfacing IHO S-52 PresLib 4.0 Updates 24/7 Attendance Pan-India

Marine ECDIS Service, Configuration, Software Update & Repair in India

Seanav Marine is India’s premier technical service authority for commercial shipboard Electronic Chart Display and Information Systems (ECDIS), providing emergency hardware overhauls, dual-console high-speed network synchronization, IHO Presentation Library 4.0 kernel updates, and multi-sensor serial interfacing across all Indian ports.

⚓ Official Operational Scope & National Capabilities

Seanav Marine delivers certified Marine ECDIS repair, dual-redundant LAN synchronization, IHO S-52 Presentation Library 4.0 software updates, S-63 encrypted ENC chart permit recovery, opto-isolated sensor interfacing (Gyro, GPS, Speed Log, AIS, Radar Target Tracking), and urgent bridge attendance across all 400+ Indian commercial ports and anchorages (JNPT / Nhava Sheva, Mumbai, Kandla, Mundra, Cochin, Chennai, Visakhapatnam, Paradip, Haldia, Mormugao, Mangalore, Tuticorin). Supporting Furuno (FMD-3100 / FMD-3200 / FMD-3300 / FEA-2107), JRC (JAN-701B / JAN-7201 / JAN-901B / JAN-9201), Sperry Marine (VisionMaster FT), Danelec Marine (DM700 / DM800), Simrad, and Transas / Wärtsilä Navi-Sailor 4000, our factory-trained marine electronics engineers board 24/7 with type-approved solid-state drives (SSDs), optocoupler serial boards, and NMEA analyzers to guarantee SOLAS Chapter V Regulation 19.2.10 paperless navigation compliance and eliminate Port State Control (PSC) detention risks.

⚙️ Technical Specifications & Operational Coverage

Supported Systems Furuno (FMD-3100 / FMD-3200 / FMD-3300 / FEA-2107), JRC (JAN-7201 / JAN-9201 / JAN-901B / JAN-701B), Sperry Marine (VisionMaster FT ECDIS), Danelec Marine (DM700 / DM800), Simrad (CS68 / E5024), Transas / Wärtsilä Navi-Sailor 4000
Core Services Dual-ECDIS High-Speed LAN Route Sync, Opto-Isolated Serial NMEA 0183 / IEC 61162 Interfacing, Solid-State Drive (SSD) Cloning & OS Re-imaging, IHO S-52 / S-63 Chart Kernel Upgrade, Track Control Autopilot Handshake, Power Supply Unit (PSU) Renewal
Sensors Interfaced Primary & Secondary GPS/DGPS ($GPGGA, $GPRMC), Gyro Compass ($HEHDT, $THS), Doppler / EM Speed Log ($VDVBW, $VMVHW), Echo Sounder ($SDDPT, $SDDBT), AIS ($AIVDM), Radar Target Tracking ($RATTM), Autopilot ($APHTD), BNWAS
Attendance SLA Within 2 hours to berths at JNPT/Nhava Sheva, Mumbai Port, Kandla, Mundra, Cochin, Chennai, Visakhapatnam; 3-4 hours to outer anchorages via pilot launches
Regulatory Mandate SOLAS Chapter V Regulation 19.2.10, IMO Resolution MSC.232(82), IEC 61174 Ed. 4.0, IHO S-52 PresLib 4.0, DGS Indian Maritime Directives

🏷️ Supported OEM Brands & Equipment

Our engineers are equipped with manufacturer diagnostic keys, test software, and genuine spare parts for leading bridge electronics manufacturers:

Furuno Radars, AIS FA-170, FMD ECDIS, VR-7000 VDR
JRC JMR-9200, JHS-183 AIS, JAN-9201, JCY-1900
Sailor / Cobham 6000 GMDSS, 6222 VHF, 6300 MF/HF
Tokyo Keiki TG-8000 Gyro, PR-9000 Autopilot
Sperry Marine VisionMaster FT, Navigat 100/200
Yokogawa CMZ-900 Gyro Compass
Raytheon Anschütz Synapsis ECDIS, Standard 22 Gyro
Danelec Marine DM100 VDR & S-VDR, DM800 ECDIS
Jotron Tron 40S / 60S 406 MHz EPIRB, SART
Samyung ENC AIS SI-30, VHF STR-6000A, EPIRB

📋 Standard 5-Step Marine ECDIS Overhaul & Sensor Interfacing SOP

  1. Step 1: Opto-Isolated Serial NMEA 0183 & IEC 61162 Signal Analysis

    Connect digital serial NMEA analyzers to primary and secondary sensor input lines (Gyro, DGPS, Speed Log, Echo Sounder, AIS, Radar TTM). Inspect baud rates (4800 / 38400 bps), check sentence parity, analyze sentence update frequencies, and verify electrical galvanic isolation on processor optocoupler input channels to eliminate ground loops.

  2. Step 2: CCU Processor Hardware & Marine SSD Health Audit

    Inspect Central Control Unit (CCU) / Electronic Control Unit (ECU) hardware health. Clean forced-air cooling blowers, inspect heat sinks, verify DC rail voltages from 24V DC / 115–230V AC marine power supplies, test uninterrupted power supply (UPS) auto-switchover, and clone industrial solid-state drives (SSDs) to prevent operational drive failure.

  3. Step 3: IHO S-52 Presentation Library 4.0 & S-63 Kernel Validation

    Verify ECDIS software build against IHO Presentation Library Edition 4.0 requirements. Run manufacturer diagnostic check-routines, update ENC decryption security certificates (S-63 v1.2), import current User Permits (UP), update base and cumulative ENC update cells, and verify safety contour and shallow pattern symbology.

  4. Step 4: Dual-ECDIS Redundant High-Speed LAN Synchronization & Route Fallover

    Verify redundant Gigabit Ethernet LAN infrastructure between Master ECDIS and Backup ECDIS consoles. Test automated route planning synchronizing, user layer data replication, logbook sync, and simulate sensor failure to verify instantaneous bumpless switchover from Position 1 (DGPS 1) to Position 2 (DGPS 2) and Gyro 1 to Gyro 2.

  5. Step 5: Bridge Radar Overlay, Track Control & Class Documentation Handover

    Calibrate radar raw video target overlay alignment over vector charts. Verify AIS target display, BNWAS reset pulse output, and track control communication with autopilot. Execute comprehensive sea-ready test routine, issue official Seanav Service Attendance Report with firmware and permit validation, and hand over SMS audit-ready compliance records.

🔍 Critical Marine ECDIS Bridge Deficiencies & Failures Resolved

Reported Defect Root Cause Diagnosis Technical Remediation
ECDIS Alarm: "POSITION SENSOR LOST / NO POSITION FIX" Loss of serial NMEA GPGGA / GPRMC sentences due to electrical surge, blown optocoupler IC on processor serial interface board, or cable shielding failure. Component-level optocoupler replacement, signal re-termination, or re-assignment to hot-spare serial COM channels with updated software baud-rate mapping.
ECDIS Displays "HEADING DISCREPANCY / GYRO INPUT LOST" Step-to-synchro converter breakdown, serial sentence HEHDT sentence dropout, or reference voltage drift from master gyro repeater distribution unit. Signal re-synchronization, installation of calibrated digital gyro converter interface, and validation of dual gyro heading inputs.
Master ECDIS Fails to Synchronize with Backup Unit (LAN Desync) Corrupted network IP routing table, duplex mismatch on managed marine Ethernet switch, or database version divergence after partial chart updates. Switch renewal, LAN subnet reconfiguration, and full database re-synchronization across both consoles to restore SOLAS paperless status.
ENC Chart Decryption Error & Expired S-63 Cell Permit Lockout Expired security keys, corrupted system clock / CMOS battery leading to permit date mismatch, or incorrect User Permit (UP) hash registration. CMOS battery replacement, real-time clock calibration, reinstall of manufacturer security certificate authority, and successful import of authenticated ENC permits.
Verified Indian Port Attendance Case Study

Emergency ECDIS Dual-Unit LAN Sync & Gyro Interface Restoration at Mundra

Vessel Type 9,200 TEU Container Ship
Equipment Scoped JRC JAN-9201 Dual ECDIS System
Port & Berth Adani Mundra Port (CT-4)

Reported Problem: Master unit failed to receive Gyro heading input and could not synchronize voyage passage plan to backup ECDIS unit during fast-paced container cargo operations.

Technical Diagnosis: Opto-isolated serial input board on master unit damaged by high-voltage shore power surge; dedicated marine Ethernet switch between consoles frozen.

Corrective Attendance: Attended Mundra CT-4 berth within 90 minutes. Replaced CCU interface board with OEM stock spare, installed pre-configured marine Ethernet switch, re-flashed software kernel, and verified dual-redundant route synchronizing and radar target overlay.

✓ Operational Outcome: Dual ECDIS certified fully operational in 3.5 hours. Master and superintendent signed off compliance certificate; vessel sailed on schedule without PSC remarks.

🌐 Strategic Indian Port & Equipment Authorities

Explore specialized technical resources and 24/7 engineer coverage across key Indian shipping hubs:

🛡️ Verified Maritime Technical Authority Technical Review: October 2026

Reviewed & Certified by Technical Operations Directorate

Lead Marine Electronics Surveyor & Technical Director · Seanav Marine Pvt Ltd

Master technical oversight for SOLAS Chapter IV & V navigational safety and radio communications. Certified in statutory marine radio surveys, gyro compass meridian calibrations, radar transceiver overhauls, and VDR APT protocols across 170+ commercial Indian ports and anchorages.

📜 DG Shipping / WPC Maritime Radio General Operator (GOC) 🧭 MCA Approved Magnetic Compass Adjuster 📋 SOLAS Chapter IV & V Statutory Compliance Lead 🔧 OEM Factory-Trained Engineers (Furuno, JRC, Sperry, Tokyo Keiki, Danelec)

❓ Frequently Asked Questions

Under SOLAS Chapter V Regulation 19.2.10, all passenger ships >=500 GT, tankers >=3,000 GT, and cargo ships >=10,000 GT calling Indian ports must be fitted with a type-approved ECDIS. To operate completely paperless, the vessel must maintain an approved independent backup arrangement—either a type-approved second ECDIS with fully redundant power and sensor feeds, or a folio of updated paper nautical charts.

Port State Control (PSC) and vetting regimes (SIRE 2.0, RightShip) strictly mandate IHO S-52 Presentation Library Edition 4.0. Vessels displaying older edition symbology (such as PresLib 3.4) risk detention. Seanav Marine engineers attend with authorized software patches, upgrade firmware kernels for Furuno, JRC, Sperry, and Transas systems, and issue official verification certificates confirming PresLib 4.0 compliance.

Yes. Our flying squads work in close coordination with the bridge team and cargo officers. By isolating and servicing one ECDIS console at a time, we maintain continuous navigation and anchor watch safety while performing CCU servicing, SSD cloning, sensor testing, or software upgrades without disrupting cargo operations.

Common issues include optocoupler burnout on serial RS-422 interface boards, baud-rate mismatches between 4800 bps standard sensors and 38400 bps AIS/radar feeds, sentence checksum errors, and ground loops. Seanav engineers utilize hardware NMEA analyzers to inspect data streams, re-terminate shielded cables, and replace damaged buffer channels on the spot.

Yes. We maintain extensive inventories of genuine and type-approved ECDIS spares at our Navi Mumbai central hub, Chennai depot, and regional port offices—including industrial SSDs, CCU/ECU processor units, marine trackball consoles, keyboards, AC/DC power supplies, opto-isolated serial interface cards, and marine Gigabit switches, ready for immediate dispatch.