Swedish Navy A19 HSwMS Gotland upgraded with TDNS
OSI Maritime Systems (OSI) confirmed on 5 June that its Tactical Dived Navigation System (TDNS) has been included as part of the upgrade of the Swedish Navy’s A19 HSwMS Gotland -class submarine (pictured).
The upgrade of the vessel is being led by Saab Kockums and is part of a larger modernisation effort. The TDNS with ECPINS Submarine 6.2 was chosen for its unique GNSS Denied capability as submarines must minimise their above water signature which restricts the use of external sensors.
The ECPINS is also in use with the navies of Australia, Canada, the Netherlands, South Africa and the UK.
Shephard’s Defence Insight reports that the Swedish Navy has operated three Gotland-class submarines which were first delivered by Saab Kockums in 1996. They have an operational range of 12,600km and a full load displacement of 1,625t.
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