Shaldag class fast patrol boat
Encyclopedia
The Shaldag class Fast Patrol Boat is a small but fast class of patrol boat
Patrol boat
A patrol boat is a relatively small naval vessel generally designed for coastal defense duties.There have been many designs for patrol boats. They may be operated by a nation's navy, coast guard, or police force, and may be intended for marine and/or estuarine or river environments...

s developed for the Israeli Sea Corps
Israeli Sea Corps
The Israeli Navy is the naval arm of the Israel Defense Forces, operating primarily in the Mediterranean Sea theater as well as the Gulf of Aqaba and the Red Sea theater. The current commander in chief of the Israeli Navy is Aluf Ram Rothberg.-History:...

 (ISC) and launched in 1989, it has since seen service with several other navies. Designed for security tasks where high intercept speeds are required, such as interdiction of terrorism and illegal smuggling. Its unique features are as follows;
  • High speed in rough seas, with good seakeeping and outstanding maneuverability
  • Exceptionally low slamming
    Slamming
    Slamming is the impact of the bottom structure of a ship onto the sea surface. It is mainly observed while sailing in waves, when the bow raises from the water and subsequently impacts on it. Slamming induces extremely high loads to ship structures and is taken under consideration when designing...

     in all sea states
  • Dry decks at all speeds
  • Very spacious and accessible internal arrangement

Design and construction

Hull, deck and deckhouse are of welded marine aluminium alloy, with transverse frames and longitudinals. Integral double bottom tanks contain fuel with an additional gravity fuel tank at the center. The hull is divided into 6 watertight compartments which do meet strict international flooded damage stability criteria

Armament

Typhoon G - mounting a Oerlikon 20 mm cannon
Oerlikon 20 mm cannon
The Oerlikon 20 mm cannon is a series of autocannons, based on an original design by Reinhold Becker of Germany, very early in World War I, and widely produced by Oerlikon Contraves and others...

and electro-optics systems on foredeck and aftdeck rings for 20 mm. single gun mount
Spigots for 0.5" machine guns on both sides of the main deck.
The boat is able to accommodate most advanced new weapon systems, such as the rapid-fire stabilized gun mount, remotely controlled by a night vision system.
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