Seanav Marine

Engine Order Telegraph (EOT) System Synchronization & Testing India

SOLAS II-1 Reg 37 Mandatory Bridge-to-Engine Synchronization Kwant & Nabtesco Specialists
Official Statutory Service Scope

Seanav Marine delivers precision calibration, potentiometer replacement, and alarm synchronization for marine Engine Order Telegraph (EOT) systems at all Indian ports. We service bridge, engine control room (ECR), and emergency local telegraphs from Kwant Controls, Prime Mover Controls (PMC), and Nabtesco to ensure instantaneous order transmission.

Supported OEM Equipment & Multi-Make Coverage

Our marine electronics engineers are factory-trained with proprietary OEM diagnostic interfaces, software keys, and genuine spare parts for leading bridge manufacturers:

Furuno VR-3000 / VR-7000 / FAR-2xx8 / FMD-3x00 JRC JCY-1800 / JCY-1900 / JMR-9200 / JAN-9201 Sperry Marine VisionMaster FT / Navigat 100/200 Tokyo Keiki TG-8000 / BR-3200 / PR-9000 Sailor / Cobham 6000 GMDSS / FleetBroadband Raytheon Anschütz Synapsis / Standard 22 Danelec Marine DM100 / DM200 / DM300 Consilium S-VDR / F2 / Salwico FDAS MacGregor VDR G4 / Baldwin

Technical Specifications & Operational Coverage

System Architecture Bridge Wing Repeaters, Wheelhouse Center Transmitter, ECR Receiver, Local Engine Stand Telegraph
Supported OEMs Kwant Controls, Nabtesco, Prime Mover Controls, Zllg, Nunotani, Tokyo Keiki
Standard SOLAS Chapter II-1 Regulation 31 and Regulation 37

Standard 5-Step Engine Order Telegraph Calibration SOP

Our Class-approved technicians execute this standardized procedural workflow to ensure first-time compliance with attending Class surveyors and Indian Port State Control (PSC) inspectors:

  1. Potentiometer & Optical Encoder Signal Inspection

    Inspect command lever potentiometers and absolute rotary encoders for contact wear and signal linearity.

  2. Bridge & ECR Audible Gong & Flashing Lamp Verification

    Verify high-pitch audible gongs, wrong-way alarm sirens, and flashing order indicators sound immediately on lever movement.

  3. Wrong-Way Alarm Interlock Functional Trip Check

    Simulate reverse engine shaft rotation against telegraph command to verify wrong-way alarm warns navigator instantly.

  4. VDR Interface NMEA Telegram Transmission Audit

    Verify serial NMEA 0183 ($--RSA / $--EOT) data sentences stream continuously to Voyage Data Recorder (VDR).

  5. Emergency 24VDC Power Failure Switchover Test

    Trip main 220VAC power supply to ensure telegraph operates uninterrupted on emergency 24VDC battery circuits.

24/7 Port & Anchorage Attendance Across India

Seanav Marine provides rapid shore-based and offshore launch boat boarding across all 170+ Major and Minor Indian Ports, including:

Jawaharlal Nehru Port (INNSA) Berth attendance in 2 hours; Mumbai Floating Light (BFL) outer anchorage attendance via Belapur launch pier.
Deendayal Port Kandla (INIXY) Full cargo terminal & Kandla Roads outer anchorage coverage; fast spares transit from Gandhidham warehouse.
Adani Mundra Port (INMUN) Private port fast-track gate clearance; Mundra Roads anchorage rendezvous and SPM tanker support.
Cochin Port / ICTT (INCOK) Willingdon Island depot; OPL East-West international shipping route rendezvous launch service.
Chennai Port & Ennore (INMAA) Coromandel Coast gateway; 3-hour gate pass SLA; Chennai Roads outer anchorage attendance.
Visakhapatnam & Paradip East Coast bulk and container hub; 24/7 shore technician boarding and pilot launch dispatch.

Download Marine Telegraph & Bridge Maneuvering Checklist

Pre-arrival checks for telegraph bells, bridge wing repeaters, and emergency local telegraph communications.

View Telegraph Checklist ✉️ Email Technical Desk