OSI Maritime Systems (OSI) is very pleased to announce the successful completion of the Factory Acceptance Test (FAT) of the Integrated Navigation Bridge System (INBS) for Ship Set 1 (SS1) of Poland’s Miecznik Frigate Program.
The completion of the INBS FAT represents a significant technical and programming milestone and the culmination of more than two years of dedicated effort by a highly collaborative, multi‑disciplinary project team. This achievement reflects close coordination across Engineering, Production, Supply Chain, Project Management (PMO), and Service teams, working in partnership with PGZ STOCZNIA WOJENNA SP. Z O.O. (PGZ SW).
The Miecznik program is a cornerstone of Poland’s naval fleet modernization initiative. The first of class frigate, ORP Wicher, is currently under construction in Gdynia, with hull assembly at an advanced stage. The vessel is scheduled for launch in August 2026, with commissioning planned for 2029. The second ship of the class, ORP Burza, has completed steel cutting in May 2025 and keel‑laying in December 2025 and is now undergoing further hull section construction. Delivery of the third frigate, ORP Huragan, is planned for the end of 2031. In total, three vessels are planned, with an option for the Polish Navy to expand the class by up to five additional ships with Babcock.
OSI is delivering three Integrated Navigation & Bridge Systems (INBS) for the Miecznik‑class frigates, which are based on the Arrowhead‑140 (PL) design derived from the Royal Navy’s Type 31e frigate. Optimized for Polish Navy operational requirements, OSI’s INBS fully complies with the IMO’s MSC.252(83) standard, combining navigation, tactical situational awareness and decision support information, into a single, harmonized system.
Built around ECPINS WECDIS – fully meeting STANAG 4564 Edition 3 and S-100 capable – the INBS fuses data from Radar, AIS, GPS and other sensors, to provide a consistent, shared operational picture across bridge and combat systems. Its open, scalable architecture supports integration with third‑party sensors and combat systems while reducing operator workload.
OSI and PGZ SW operate under a Long‑Term Partnership Agreement (LTPA) that includes training PGZ SW personnel to perform installation, set‑to‑work, configuration, and commissioning activities. OSI is also supporting the development of a Navigation Laboratory and Mission System Integration Facility in Poland, strengthening local industrial capability and long‑term sustainment.
The Miecznik‑class frigates measure 138.7 metres in length, with a beam of 19.7 metres and a displacement of approximately 7,000 tonnes. Designed for a crew of 100–120 personnel, the ships will have an endurance of up to 30 days without replenishment, a maximum speed of 28 knots, and a range exceeding 6,000 nautical miles.
The successful completion of the INBS First Article Acceptance Test (FAAT) for ORP Wicher marks another important step toward delivering advanced naval capability to the Polish Navy and underscores OSI’s role as a trusted partner for complex naval navigation and bridge integration programs worldwide.