Alster (A 50)

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Career (Germany)
Builder: Flensburger Schiffbau-Gesellschaft, Flensburg
Laid down: 1987
Commissioned: 1988
Homeport: Eckernförde, Schleswig-Holstein
Fate: In active service
General characteristics
Class and type: Klasse 423
Displacement: 2375 tonnes (full load 3200 t)
Length: 83,5 metres
Beam: 14,6 m
Draught: 4,2 m
Propulsion: Humboldt-Deutz Diesel
Speed: 21 Knots
Range: 5000 nautical miles
Complement: 36 sailors
40 intelligence technicians
Armament: none

The Alster (A 50) is an intelligence ship of the German Navy. She is the lead ship of the "Klasse 423".

The Alster is meant as a reconnaissance ship, with a wide array of modern elektromagnetic, hydroacoustic and electro-optic sensors for strategic intelligence gathering. She can be used as an advanced warning unit. The design was originally intended to gather data on Soviet ships.

On the 26th of October 2006, Israeli planes flew over the Alster [1], stirring an international incident [2] [3] [4] [5] [6]. German authorities declared that the planes have fired shots at the ship and evaded launching flares. The Israeli, though denying that firing had occurred, acknowledged the incident and declared that no aggression was meant. Diplomatic activity resulted in a settlement, though none of the parties backed from its position.