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15 PPM Monitoring Equipment

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Inertial Navigation systems (INS)

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Inertial Navigation System Spare Pats Suppliers

An inertial navigation system works out where a ship is, which way it is heading, and how it is moving from its own sensors alone, with no satellite or outside signal. That independence is why it matters on survey vessels, naval ships, and dynamic positioning work, and it is also why a fault is expensive: the gyros, accelerometers, and processing inside an INS are precision electronics, and a failure usually needs a part matched exactly to the unit fitted. Inertial navigation system spare parts suppliers deal in those parts, for makers such as iXblue, KVH, SAFRAN, and Advanced Navigation.

What Gets Ordered

The parts follow the architecture of the system. At the heart is the inertial sensor cluster, the gyros and accelerometers of the IMU, with the fibre-optic gyro element often ordered on its own through fibre optic gyroscope spares. Around it sit the processor and interface boards, the power supply, the display and control unit, and the cabling that ties the system into the bridge. Because these are high-value electronics, much of the market is exchange and reconditioned units supplied against a core rather than new-build, particularly on older systems the maker has moved on from.

Match to the Maker, Then Calibrate

An INS is a closed, maker-specific system, so a part is specified against the exact model and is often supplied only through the OEM or an authorised channel. Many inertial systems are dual-use and export-controlled, so sourcing can involve end-use documentation as well as a part number. And a replacement sensor or board rarely just drops in: the system has to be re-calibrated and aligned after fitting before its output can be trusted again, which is part of the job rather than an afterthought.

Where the INS Feeds

On a ship the INS is rarely a standalone box. It supplies heading, attitude, and motion reference, and when aided by GNSS it holds an accurate position through signal gaps, feeding the dynamic positioning system, the stabilizers, the survey sensors, and the integrated bridge. When a fault turns out to sit in the wider positioning and heading chain rather than the INS itself, it is worth checking the navigation and dynamic positioning systems spares alongside it.

The two things a supplier needs are the exact make and model of the system and the failed part or the symptom, since nothing here is generic. With those in hand, the inertial navigation system spare parts suppliers listed here can identify the sensor, board, or exchange unit that fits, and confirm whether calibration or export paperwork comes with it.

  • SEASTAR (HK) TRADE LIMITED logo

    Year Founded: 2018

    Verified

    SEASTAR (HK) TRADE LIMITED

    Verified

    providing original spare parts for main engines, auxiliary machinery, engine room equipment, and deck auxiliary systems to domestic and international shipowners and management companies. competitive pricing Our global service network and professional logistics team ensure timely delivery of your spare parts to designated ports and destinations. Heat Exchanger Galley Equipment Electric motor Deck Crane Grab Windlass Mooring Winch Hatch Cover Gangway Ladder Winch Steering Gear Pintle Bush Synthetic Phenol Resin Valve Fire Alarm Detector Navigation Communication Equipment Water Ingress Alarm System Electrical Instrument and Automation Fuel Valve Test Device Main Engine Auxiliary Engine Turbocharger Air Compressor M/E Auxiliary Blower Pumps Boiler Incinerator Fresh Water Generator Oily-water Separator Sewage Water Treatment Plant 15ppm Bilge Alarm Fuel Oil supply Module Purifier Refrigeration and Air Conditioning

    supply@seastartrade.com

    CATEGORIES:

    • Inertial Navigation systems (INS)

    • 15 PPM Monitoring Equipment

    • AIS (Automatic Identification Systems)

    • AMS (Alarm Monitoring Systems)

    • ARPA (Automatic Radar Plotting Aids)

      (195)

    BRAND:

    • emcore

    • GUIDENAV

    • KVH

    • SAFRAN

    • iXblue

      (8)

    CLASS APPROVED:

    IACS: ABS, ClassNK, CCS, BV

    WAREHOUSES:

    • China

  • Jahajiwala Shipping logo

    Year Founded: 2025

    Jahajiwala Shipping brings over 8 years of hands-on experience in shipping operations, ship repair, and the supply of both new and quality-tested second-hand spare parts, along with comprehensive marine services at home and abroad

    jahajiwalashipping.com
    info@jahajiwalashipping.com

    CATEGORIES:

    • Inertial Navigation systems (INS)

    • Air Compressors

    • Automation Control Equipment & Control Units

    • Fresh Water Generators

    • Fuel Injectors & Fuel Valves

    • Gyro Stabilizers

    • High Pressure Fuel Pumps

    • Navigation & Dynamic Positioning Systems

    • Rudder Angle Indicators

    • Engine Room Ventilation Fans

    CLASS APPROVED:

    Non-IACS: Other

    WAREHOUSES:

    • Bangladesh

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