DM2A4

DM2A4 SeaHake mod 4DM2A4 heavyweight torpedo DM2A4 SeehechtDM2A4 SeehechtSeaHakeSeaHake mod 4torpedoes
DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976.wikipedia
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Atlas Elektronik

AtlasAtlas Elektronik GmbHAtlas Hydrographic
DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976.
It is involved in the development of integrated sonar systems for submarines and heavyweight torpedoes.

Torpedo

torpedoeshoming torpedotorpedoed
DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976.

Type 212 submarine

Type 212Type 212A212
The torpedo is in service with the German Navy Type 212 submarines, has been delivered to the Pakistan Navy for service in the Agosta 90B submarines, has been selected by the Spanish Navy for its new S80A submarines and has been sold to other operators worldwide.
Currently, the Type 212A is capable of launching the fiber optic-guided DM2A4 Seehecht ("Seahake") heavyweight torpedoes, the WASS BlackShark torpedoes and short-range missiles from its six torpedo tubes, which use a water ram expulsion system.

S-80 Plus-class submarine

S-80-class submarineS-80 class submarineS-80 class
The torpedo is in service with the German Navy Type 212 submarines, has been delivered to the Pakistan Navy for service in the Agosta 90B submarines, has been selected by the Spanish Navy for its new S80A submarines and has been sold to other operators worldwide.

Spearfish torpedo

SpearfishSpearfish heavyweight torpedoSpearfish heavyweight torpedoes

German Navy

BundesmarineWest German NavyNavy
DM2A4 Seehecht (export designation "SeaHake mod 4" ) is the latest heavyweight torpedo developed by Atlas Elektronik for the German Navy, as a further update of DM2 (Deutsches Modell 2) torpedo which was released in 1976.

Fiber-optic cable

optical fiber cablefiber optic cablefibre optic cable
Being the successor of the DM2A3, it features an advanced electrical propulsion system and a fiber optic cable for torpedo guidance and communication, which, in conjunction with advanced signals processing and mission logic, makes the torpedo largely countermeasure resistant.

Wake homing

wake-homing
With a fully digital system architecture, increased range and speed and its new conformal array sonar with a very wide panoramic sensor angle as well as the additional wake homing sensor, the DM2A4/SeaHake mod 4 provides greatly advanced performance over its predecessor.

Cavitation

cavitatecavitatingacoustic cavitation
The homing head shell is a hydrodynamic optimised parabolic shape which aims to reduce torpedo self-noise and cavitation to an absolute minimum.

Silver-oxide battery

silver-zinc batteriessilver cell batteriessilver-oxide batteries
The weapon has a modular design that includes up to four silver zinc battery modules and is able to achieve a range of more than 50 km (27 nmi) and a speed exceeding 92.6 km/h (50 kn) powered by a high frequency permanent magnet motor, with a closed-loop cooling system independent from the environment.

Nautical mile

nautical milesnmnmi.
The weapon has a modular design that includes up to four silver zinc battery modules and is able to achieve a range of more than 50 km (27 nmi) and a speed exceeding 92.6 km/h (50 kn) powered by a high frequency permanent magnet motor, with a closed-loop cooling system independent from the environment.

Knot (unit)

knotsknotkn
The weapon has a modular design that includes up to four silver zinc battery modules and is able to achieve a range of more than 50 km (27 nmi) and a speed exceeding 92.6 km/h (50 kn) powered by a high frequency permanent magnet motor, with a closed-loop cooling system independent from the environment.

Remotely operated underwater vehicle

ROVremotely operated vehicleROVs
The torpedo design template may also be used as the basis for ROV.

Polymer-bonded explosive

PBXplastic bonded explosivePBX 9404
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

RDX

hexogencyclotrimethylenetrinitraminecyclonite
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

Aluminium

aluminumAlall-metal
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

Warhead

warheadsCUexplosive payload
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

TNT

trinitrotolueneTrotyl2,4,6-trinitrotoluene
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

Magnetism

magneticmagneticsmagnetic properties
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

Contact fuze

contact fuseimpact fuzecontact
The weapon is armed with a 260 kg PBX, (RDX–aluminium) warhead (equivalent to 460 kg of TNT) with magnetic influence and contact fuzes.

Electromagnetic pulse

EMPElectromagnetic bombEMPs
The charge and fuse are insensitive and electromagnetic pulse safe.

Pakistan Navy

NavyPakistani NavyRoyal Pakistan Navy
The torpedo is in service with the German Navy Type 212 submarines, has been delivered to the Pakistan Navy for service in the Agosta 90B submarines, has been selected by the Spanish Navy for its new S80A submarines and has been sold to other operators worldwide.