Helideck Monitoring System

The Vaisala HMS is fully certified and compliant with current CAP 437 and HCA Standard Helideck Monitoring System Rev 9c requirements. Take advantage of CAA-certified software including Motion Severity Index (MSI) and Wind Severity Index (WSI), warning limits, on-deck relative wind direction with integrated repeater lights and optional lightning detection data.

The software can also be configured for compliance with international aviation regulations (Normam-27, BSL D 5-1 and NORSOK). Vaisala has CASR Part 91 compliant Aviation Weather Systems available.

The Vaisala helideck monitoring system is a turnkey solution with complete power, sensor integration, data collection and storage through Vaisala Elements Helideck Monitoring Software.

Keep on-deck personnel safe and ensure optimal landings and takeoffs in the face of changing weather conditions. The user-friendly interface keeps you informed of current conditions with a real-time data display, reporting tools and critical alarms.

Get the accurate observation data you need for:

• Fixed substations or platforms in O&G and offshore wind parks
• Wind turbine installation vessels (WTIV)
• Service operation vessels (SOV) and construction support vessels CSV/CSOV)
• Floating production storage and offloading (FPSO) and moveable offshore drilling units (MODU)
• Commerce, defense and research vessels
• Offshore loading
• Subsea operations
• Supply vessel loading and unloading
• Crane operations

Vaisala delivers expert offshore servicing and maintenance for your HMS, ensuring your operations remain fully compliant with CAP 437, HMS, and other industry standards.  

Our engineers are certified in MIST/BOSIET, Working at Heights, Met Observation, and CompEx, providing you with safe, professional and efficient offshore support. We also partner with offshore experts, including Swire Energy Services and AtCom, to provide exceptional global service so you’re never out of reach.

We offer a comprehensive range of future-proof services designed to keep your system performing at its best:

• Project management and support: We manage and support your offshore servers and hardware, focusing on optimal system performance, high data quality, and maximum uptime.
• Continuous data monitoring: Our team oversees both raw and processed data streams, ensuring seamless integration with the Vaisala Elements web portal and third-party platforms.
• Quality assurance and compliance: We conduct regular reviews, software updates, and compliance checks to meet UK CAA CAP 437, UK HCA HMS Revision 9c, NORMAM-27, BSL-D-5-1, NORSOK, and other local regulations.
• Sensor calibration and repairs: We provide annual calibration, servicing, and repairs for all weather sensors—including handheld devices—to maintain accuracy and regulatory compliance.
• Spares management and storage: Your handheld weather sensors are securely stored, serviced, and rotated to ensure optimal performance.
• Comprehensive documentation: We supply all necessary manuals, maintenance reports, work scopes, HSE statistics, and financial forecasts to keep you fully informed.

With Vaisala, you can trust that your offshore weather sensors and systems are maintained by industry experts, ensuring reliable performance and compliance for every offshore operation.