Flensburger Schiffbau-Gesellschaft

shipyard Flensburg, Germany

Flensburger Schiffbau-Gesellschaft, now trading as FSG Shipyard GmbH, is a German shipyard in Flensburg that has designed and built more than 750 ships since its founding in 1872. The yard specialises in tailor-made vessels including RoRo ferries (among them an LNG-powered ferry for Australian operator SeaRoad), submersible heavy-lift carriers, seismic and well intervention vessels, and logistic support ships for the German Navy and NATO countries. It also supplies steel structures such as ship sections, large blocks and complete hulls, and carries out vessel conversions, repair and maintenance. FSG is part of the Heinrich Rönner Group.

Flensburger Schiffbau-Gesellschaft (FSG Shipyard GmbH)

Founded in 1872, FSG is a Flensburg-based shipyard that has designed and built more than 750 ships, many of them one-off or technically complex vessels. The yard positions itself as a builder of tailor-made ships for owners and operators with high demands on reliability and operational optimisation, combining in-house design capability with its own planning and production processes. Following a change of ownership, the company now operates as FSG Shipyard GmbH within the Heinrich Rönner Group, with Thorsten Rönner and Frank Mallon as managing directors.

Services

  • Ship design, engineering and newbuilding construction
  • Lifecycle-optimised naval design tailored to customer requirements
  • Conversion of existing vessels to integrate new capabilities and systems
  • Fleet repair and maintenance
  • Supply of steel structures: ship sections, large modules (blocks) and complete hulls
  • Contract manufacturing, including steel procurement and integration of outfitting parts

Vessel Types

  • RoRo ferries, including LNG-powered designs
  • Submersible heavy-lift carriers
  • Seismic vessels and well intervention vessels
  • Replenishment ships – Berlin Class (Type 702), three ships designed, built and delivered
  • Supply ships – Elbe Class (Type 404), six ships delivered
  • Reconnaissance/intelligence ships – Oste Class (Type 423), three ships delivered
  • Sealift multi-purpose RoRo ships, six delivered, based on an FSG design of which over 40 vessels have been built

Facilities

  • Covered, under-roof fabrication of steel structures
  • Largest structures approximately 200 m long and 32.2 m wide
  • Work stations and crane handling for hull segments exceeding 50 tonnes

Quality, Environment and Safety

  • Continuously developed quality management system with internal audits and risk assessment across planning, contract review, design, fabrication and warranty
  • Certified to DIN ISO 14001 since 2013, with stated aims covering energy use, VOC and dust emissions, hazardous substance substitution, waste recycling and paper-free construction
  • Health and safety managed in line with applicable legal and regulatory requirements

Location

  • Batteriestraße 52, 24939 Flensburg, Germany
  • Registered at the Flensburg register court, HRB 17483 FL