Bung Tomo Class Mid-life Modernization

Thedjancuk
November 25, 2025

25 November 2025

Bung Tomo class multirole light frigate (image: Nevesbu)

Following the modernisation of KRI Usman Harun, the remaining two vessels of the class, the KRI Bung Tomo and KRI John Lie, will now also undergo a comprehensive mid-life modernisation. PT Len Industri (Persero) (Official) once again appointed Nevesbu as platform systems integrator for this modernisation project.

Our work includes the full platform systems integration scope, from the complex engineering and design works up to on-site support to ensure well performing systems. (Nevesbu)


Mission system integration KRI Usman-Harun frigate

Since the mission systems are outdated, the frigate will undergo a complete modernisation of all mission systems. This will ensure that the latest developments in combat management and sensors are installed to fulfil the ship’s mission profile with optimum performance at sea and considerably extend the service life. PT Len Industri (who is Prime Contractor and systems integrator for this midlife modernisation programme) has contracted Nevesbu for the Platform Systems Integration.

As Platform Systems Integrator, Nevesbu is responsible for all engineering necessary to integrate state-of-the-art mission systems into the frigate.
Usman Harun 359 light frigate (image: Nevesbu)

Nevesbu will design or modify ship’s structures, platform utility systems, foundations, cable routings and room arrangements in accordance with requirements. Furthermore, Nevesbu will support the local (Indonesian) shipyard during the execution stage of the programme.

At the beginning of the project, Nevesbu performed an extensive on-board survey in Indonesia. As little (as-built) information of the frigate was available, Nevesbu recorded the current situation on board using a 3D laser scanner. The output of the 3D laser scanner is a point cloud-cloud of the layout of the frigate, which can be imported in Nevesbu’s 3D modelling software. With this output, Nevesbu knows exactly where the systems that need to be replaced are located and what needs to be adapted to the ship to enable integration of the new systems. (Nevesbu)



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