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OSI to provide navigation systems for Swedish Navy subs

Marine navigational and tactical solutions expert OSI Maritime Systems (OSI) recently won a contract to provide Swedish aerospace and defence company Saab Group with the Tactical Dived Navigation Systems (TDNS) which will be installed in two new A26 submarines of the Royal Swedish Navy.

The A26 submarine program of the Royal Swedish Navy is touted as one of the world’s most modern submarine program.

As part of the agreement, Burnaby, B.C. – based OSI will design, build, integrate and set to work a system for each submarine.

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The Canadian company’s TDNS is based on ECPINS (Electronic Chart Precise Integrated Navigation Systems), a software specifically designed for submarine navigation. The system exceeds both IMO and NATO STANAG 45641 requirements.

The TDNS provides submariners with a wide range of navigational capabilities and tactical features to enhance the operational capability of their submarine as well as overall navigational safety.

Among the key TDNS features are:

The system fully supports the construction of dived navigation charts for specific operations. It has automatic and manual controls for creating set & drift calculations with the ability to change time of validity information.

The system also has automatic and manual “pools of errors calculation,” and future prediction of POE.

TDNS will also be closely interfaced with other submarines’ systems and sensors.

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OSI has been providing advanced integrated navigation and tactical solutions to military customers for over 20 years.  The company is a pioneer of Warship Electronic Chart Display and Information Systems (WECDIS).

OSI currently has 20 naval customers from around the world with over 500 warships and submarines operating with its world leading integrated navigation and tactical solutions.

The A26 submarine was initially planned at the beginning of the 1990s for delivery in the late 1990s and early 2000s. With the end of the Cold War and the program was cancelled. It was resurrected in the mid-2000s but cancelled in 2014.

In March 2015, it was reported that the Swedish government had restarted the project once more and had placed an order for two A26 submarines for the maximum cost of US$945 million. A letter of intent (LOI) signed by Saab and the Swedish Defence Material Administration requires that the two submarines be delivered no later than 2022.

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