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Right-First-Time Trials

Avoid costly re-testing. Validate airborne and structure-borne noise in real time to capture all critical compliance data within your tight sea-trial windows.

Audit‑Ready Compliance

Simplify naval certification. Automate pass/fail evaluation and generate structured, traceable documentation aligned with strict MIL-STD requirements.

Component‑to‑Sea Scale

Standardize your workflows. Scale a single, coherent measurement chain from equipment-level qualification on the test bench up to full-vessel sea trials.

Ensuring confident naval acceptance testing under real-world conditions

Naval certification and sea trials are acceptance-critical stages in naval programmes, where equipment and vessels must demonstrate compliance with strict naval noise and vibration requirements. Standards such as MIL‑STD‑740 and MIL‑STD‑1474E define clear limits for airborne and structure-borne noise. Failure to meet these requirements can result in delayed acceptance, re-testing, and increased programme risk, ultimately affecting operational readiness.

During these phases, engineers must measure noise and vibration across complex, systems and multiple measurement paths – often under tight schedules and within limited sea-trial windows. Managing these measurements using separate tools and workflows increases setup effort, extends test duration, and raises the risk of inconsistent or incomplete results.

HBK enables a simpler, integrated approach. By combining synchronised measurement, real-time analysis, and structured workflows, all required data can be captured efficiently within a single, coordinated workflow – supporting component-level qualification, system integration, and full vessel sea trials.

Strict naval standards also require results that are accurate, repeatable, and fully traceable. HBK’s end-to-end testing solution supports reliable validation with real-time insight, automated analysis, and audit‑ready reporting, helping engineers identify issues early, act during testing, and reduce the risk of failed acceptance or unnecessary follow‑up trials.

The Complete Naval Measurement Chain

Naval certification and sea-trials rely on a proven measurement chain that links sensors, data acquisition, and analysis software into one coherent system. This integrated approach allows engineers to standardise testing across programme phases while scaling from equipment-level qualification to full-vessel sea trials.

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Capture contact forces and accelerations directly from the pantograph head during normal train operation.

  • newLight® FS66HDL optical force sensors mounted on the pantograph for direct contact force measurement

  • FS65HDA optical accelerometers for pantograph force measurement and vibration measurement

  • Interconnection box, installed outside on the train roof, connects all sensors

  • Penetration cable with PTFE overlay links connection box to the roof gland inside the train

Acquire and synchronise optical sensor data continuously at up to 2,000 samples per second.

  • QuantumX MXFS/DI optical interrogator with eight connectors for synchronised, high-speed acquisition of all optical sensor channels

  • catman® data logger software for continuous, automated data recording during service

Calculate contact force, assess overhead line condition, and generate actionable maintenance outputs.

  • Automated contact force calculation between pantograph and overhead power line in accordance with EN 50317

  • Determine contact position of overhead power line along the pantograph contact strip length

  • Automated alarm events for abnormal contact forces or loss of contact

  • Outputs can be used to prioritise maintenance and conduct overhead line condition assessments

NCST Typical Measurement Chain

Together, this measurement chain provides a reference setup that teams can rely on throughout naval qualification testing – from component certification, through system integration, to final acceptance.

Key Areas of Application

Equipment certification testing

Validate that individual components meet noise, vibration, and naval acceptance requirements before integration. HBK enables repeatable testing with clear traceability, helping reduce risk across subsequent qualification phases.

Sea trials testing

Capture airborne, structure-borne, and underwater noise during sea trials using HBK’s multi-channel naval data acquisition systems for synchronised measurements. Real-time insight supports faster decisions and reduces the risk of failed acceptance at a critical programme stage.

Airborne noise testing

Measure onboard airborne noise to assess crew exposure and compliance with relevant naval noise limits, using calibrated microphones and standard-aligned analysis workflows.

Structure-borne noise and vibration testing

Assess vibration transmission paths and machinery behaviour to support naval noise reduction testing and fault detection during commissioning and trials.

Machinery diagnostics and fault detection

Use frequency analysis for ships to identify imbalance, wear, or abnormal behaviour during testing. Real-time diagnostics support early detection of machinery issues, helping prevent failures and reduce disruption prior to acceptance.

Naval certification and sea-trials key visual blue

Master MIL-STD Noise & Vibration Compliance

Learn how automated, repeatable noise and vibration testing supports compliance with MIL-STD-740 and MIL-STD-1474E. Discover how Tescia® and Fusion-LN reduce operator dependency, minimise retest risk, and deliver traceable, audit-ready qualification results.

 

Related Products

Pacific Ocean, June 20, 2013 - The Japan Maritime Self-Defense Force destroyer JS Murasame (DD-101).

Your Guide to Confident Naval Certification & Sea Trials

Explore how HBK helps de-risk naval certification and speed up acceptance with real-time, end-to-end noise and vibration testing. This concise brochure outlines how to meet MIL-STD-740 and MIL-STD-1474E requirements using a unified measurement chain – from sensors to analysis – enabling faster, more informed decisions during harbour tests and sea trials.

 

Related Case Studies

FAQs

Yes. HBK’s integrated system enables simultaneous measurement of airborne and structure-borne noise using synchronised data acquisition and real-time analysis, reducing test time while maintaining accuracy.

Yes. The solution is modular and scalable, supporting both component-level certification and full vessel sea trials with adaptable hardware configurations and workflows.

HBK provides the measurement capabilities, analysis methods, and reporting needed to support testing aligned with these standards when applied correctly within the defined test procedures.

HBK supports traceability through automated test execution, structured reporting, and full metadata capture, including calibration data and measurement conditions to ensure repeatability and audit readiness.

HBK enables automated workflows, consistent test execution, and real-time validation, helping identify issues early and reduce inconsistencies that lead to re-tests.

HBK enables real-time diagnostics and analysis, allowing engineers to detect machinery issues such as imbalance or wear during testing and take action before acceptance.

Naval certification and sea trials validate acoustic performance before acceptance, while self-noise monitoring extends this capability into continuous, in-operation monitoring. HBK supports both as part of an end-to-end lifecycle approach.