1. Commercial Shipping & Navigation: Prevents grounding by providing real-time depth data in shallow waters, estuaries, and unknown sea areas. Cargo ships and cruise ships rely on it to optimize routes, especially in coastal channels and port approaches where water depth changes frequently.
2. Offshore Resource Exploration: Critical for offshore wind farm construction, oil and gas exploration, and seabed mineral development. Multi-beam echosounders map detailed seabed topography to support platform positioning and pipeline laying.
3. Underwater Engineering & Dredging: Guides port expansion, channel dredging, and bridge foundation construction by providing accurate depth data and seabed condition analysis. Ensures engineering quality and operational safety.
4. Marine Scientific Research: Used by research vessels to collect depth data for ocean current analysis, marine ecological research, and climate change studies. High-precision multi-beam models support detailed seabed terrain mapping for geological research.
To ensure navigation safety, data consistency, and cross-border operational compliance, international and regional maritime authorities have established strict standards for marine echosounders. With the 2025 IMO regulation mandate for new ships to be equipped with high-precision depth measurement equipment , compliance has become a top priority for shipping companies and equipment manufacturers. Non-compliant echosounders may lead to port detention, operational penalties, and increased safety risks.
International Core Standards
Two key international organizations set the baseline for echo sounder performance and safety:
Regional Standards for Key Markets
Major maritime regions have introduced supplementary standards to adapt to local operational needs:
1. IMO SOLAS Convention: Chapter V of the SOLAS Convention requires all commercial vessels over 300 GT to be equipped with certified echosounders with a depth measurement accuracy of at least ±0.2% of the measured depth. The 2025 amendment mandates that echosounders integrate with the ship's voyage data recorder (VDR) to store depth data for no less than 96 hours. Additionally, vessels operating in deep-sea areas (over 200m) must be equipped with multi-beam systems to support route optimization.
2. IHO S-44 Standard: The International Hydrographic Organization (IHO) S-44 standard specifies hydrographic survey requirements, including echosounder performance criteria. It classifies bathymetric accuracy into three grades (Special, Order 1, Order 2) and requires echosounders to undergo regular calibration to meet grade-specific precision thresholds. For special-grade surveys (e.g., nautical chart production), the allowable error is within ±0.1m for depths less than 100m.
Compliance Strategies for Shipping Companies
To meet the latest standards, shipping companies should implement the following measures:
1. EU Standards (MED Certification): Echosounders used in EU waters must obtain Marine Equipment Directive (MED) certification, including Module B (type examination) and Module D (production quality assurance). Certified instruments must support real-time data transmission to the EU's SafeSeaNet platform and comply with RoHS environmental requirements. For offshore wind farm projects, echosounders must meet DNV GL standards for 24/7 continuous operation in harsh sea conditions.
2. US Standards (USCG Approval): The US Coast Guard requires echosounders to have remote monitoring capabilities, enabling shore-based managers to track real-time depth data and equipment status. Instruments used in offshore oil platforms must meet UL 1203 explosion-proof standards. Additionally, the US NOAA (National Oceanic and Atmospheric Administration) mandates annual calibration by authorized laboratories for echosounders used in hydrographic surveys.
3. China Maritime Standards (CCS Certification): The China Classification Society (CCS) requires echosounders to be compatible with the Beidou navigation system for integrated depth and position mapping. Coastal vessels must pass 1000 hours of salt spray testing to ensure corrosion resistance. The 2025 update raises the localization rate requirement for core components to 75% or higher, benefiting local manufacturers like CSIC 715 Institute.
4. Norwegian DNV GL Standards: Widely recognized in offshore and deep-sea operations, DNV GL certification requires echosounders to maintain stability in extreme temperatures (-40℃ to +60℃) and high vibrations (up to 2g). Multi-beam systems must achieve a coverage width of at least 5 times the water depth with consistent accuracy across all beams.
Guide Conclusion: Stay compliant with global standards with our certified marine echosounders. Our products meet IMO, MED,and CCS requirements, supporting seamless operations in all key markets. Contact us to upgrade your equipment and avoid compliance risks.