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The game changer for submarine operations. IDAS makes it possible for the first time to defend against anti-submarine helicopters from a submerged position—without sensor exposure, with the operator remaining in the decision chain at all times.
Submarines have until now been defenceless against ASW helicopters — fast, difficult-to-detect platforms with superior sonar capabilities and the ability to actively deploy anti-submarine weapons. IDAS closes this critical capability gap. Via the fibre-optic link, the operator aboard the submerged submarine can detect and engage a hostile helicopter — with full control maintained all the way to impact.
This fully new capability for submarines also expands the submarine's operational area of use.
High mobility, unpredictable flight paths
Nearly undetectable in passive mode or without dipping sonar
Capable of carrying and deploying ASW weapons actively
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No surfacing, no sensor exposure – missile ejected directly from the torpedo tube while fully submerged
Fibre-optic link enables target Update and mission abort at any point during flight, up to terminal phase
Proven infrared seeker head technology derived from the IRIS-T air defence programme – precise and reliable
multiple missiles per ejection container
Compatible with any standard 21-inch torpedo tube – optimised for U212A and U212CD class submarines
Designed to withstand months of corrosive saltwater exposure inside the torpedo tube without loss of function
1
The submarine detects the hostile ASW helicopter using its own sensors. Only target bearing and a rough range estimate are required.
2
Ejection from the standard 21"-torpedo tube while staying fully submerged. Rocket motor is ignited under water, outside the submarine.
3
The missile breaks through the water surface and the booster ignites. Missile transits to target area.
4
The infrared seeker head takes over active target acquisition. IR imagery is transmitted in real time back to the submarine.
5
The operator can intervene at any time: adjust target, abort mission, or allow the seeker to log-on and autonomously guide to the target.
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The IDAS Consortium brings together the full industrial chain — from seeker head over fibre-optic communication system to submarine integration — under a single programme authority.
Full in-house competence for the IDAS missile: development and production of the fibre-optic cable.
Full in-house competence for IDAS ejection system and integration into submarine and peripherie.
BAAINBw as contracting authority for the Development and Qualification contract.
IDAS (Interactive Defence and Attack System for Submarines) is a submarine-launched guided missile system designed primarily for defence against aerial threats.
The system is being developed jointly by TKMS and Diehl Defence under contract from the German Federal procurement authority (BAAINBw).
IDAS is launched from a standard torpedo tube using a hydraulic ejection system. The rocket motor ignites after clearing the submarine and the missile transitions to airborne flight.
Suitable for integration on TKMS submarines with 21'' torpedo tubes.
IDAS is currently under development and qualification and will enter market in connection with commissioning of 212CD.
