Kanonenboot K-2

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Rank 4 USA
USS Helena Pack
Kanonenboot K-2
Kanonenboot K-2
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GarageImage Kanonenboot K-2.jpg

The K-2 is a rank I German gunboat with a battle rating of 4.0 (AB/RB/SB). It was introduced in Update 1.79 "Project X" as part of the fleet closed beta test.

General info

Survivability and armour

The Kanonenboot K-2 is a gunboat, it’s important to note that it is not fast with a top speed of 34 KM/H (AB:47 KM/H) which makes it as fast a Killer whale. Indeed, the Kanonenboot K-2, could be compared to a Killer whale! It’s not very fast, it can’t manavour very fast, it can’t evade torpedoes at close range. However, it’s very strong, with armour plates providing up to 60 MM of protection and it’s herculean size compared to other gunboats, it makes it look and feel very opposing. It packs a very almighty bite! with its two turrets carrying 2 x 120 MM L45 cannons, 2 x four-barrel Flakvierling 38 automatic cannons, 2 x 2 CM C/38 (20mm) automatic cannons and 2 x 3.7 cm (37mm) SK C/30 automatic cannons.

The storage for its ammunition is stored below the waterline, they are also encased by the fuel tanks which wrap around the sides behind the 60 mm thick armour plates, making torpedo strikes less likely to sink the ship, however, it is not impossible to be sunk by a single well placed strike. When playing this herculean motorboat, sail towards the cap zone, do not head out to sea like a lone killer whale, because the K-2 will be sunk, by enemy destroyers which prey on large slow ships, like this, for easy targets.


Its top speed of 34 KM/H can be achieved within 18 seconds, which is very a great time to be under full-steam. Its top speed in arcade battles of 47 KM/H can also be achieved within the 18 seconds, not bad ship which displaces over 1420 Tons of water!

The manoeuvrability of the ship is like a killer whale, it's good but it's not the best - it can make short sudden movements to dodge torpedoes only if they are coming towards the stern of the ship. Turning requires a large area to be completed, it's one of these ships where it's better suited to go in a straight line and stay in caps zone.


Primary armament

Main article: L45 (120 mm)

Provide information about the characteristics of the primary armament. Evaluate their efficacy in battle based on their reload speed, ballistics and the capacity of their shells.

Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.

Secondary armament

Some ships are fitted with weapons of various calibres. Secondary armament is defined by the weapon chosen with the control Select secondary weapon. Evaluate the secondary armament and give advice on how to use them. Describe the ammunition available for the secondary armament. Provide recommendations on how to use them and which ammunition to choose. Remember that anti-air armament, even heavy calibre weapons, belong in the next section.

Anti-aircraft armament

An important part of the ship’s armament responsible for air raid defence. Anti-aircraft armament is defined by the weapon chosen with the control Select anti-aircraft weapons. Talk about the ship’s anti-air cannons and machine guns, the number of guns and their positions, their effective range, and about their overall effectiveness – including against surface targets.

Special armament

Depth charges, mines, rocket launchers and missiles are also effective in skilled hands and can be an unexpected surprise for an opponent. Evaluate the ammunition of this type of armament and rate its performance in combat.

Usage in battles

The K-2 excels in close-range combat, it’s L45 cannons, rip apart enemy ships with well-placed shots, smaller lighter ships can easily be knocked out with a single hit directly on them. The herculean size and armour of the ship will allow it to take its blow of enemy fire, without much damage.

However, if the enemy targets critical areas: Turrets, Bridge and anywhere above the waterline, which have a gathering of crew it can cause the ship to sink not all the ship is armoured. A few well-placed shots under and to the left of the stern and bow turrets with HE rounds could cause the ammunition to explode. Additionally, the armour only extends just above of the waterline which means, sailors can be knocked out with AP or HE rounds.

If the enemy is aiming to knock out the turrets, the ship will be unable to defend itself and make itself an easy target for a close-range torpedo attack, it cannot withstand multiple hits.

It’s important to stay focused on what threats are appearing in the combat zone, the biggest threats to it are aircraft destroyers, torpedo attack ships and light cruisers. To stay combat effective as long as possible make use the game A.I. system to control the anti-aircraft systems to engage small surface ships and air targets

TIP: To do this, look at the target, press X+2 & X+3


Tier Seakeeping Unsinkability Firepower
I Dry-Docking Tool Set Anti-Air Armament Targeting 37 mm Psgr L'spur Zerl
II Rudder Replacement Fire Protection System Smokescreen Auxiliary Armament Targeting
III Propeller Replacement Shrapnel Protection Ventilation Primary Armament Targeting Depth Charges Improved Rangefinder
IV Engine Maintenance New Pumps Ammo Wetting Bomb mortar

Pros and cons


  • Two powerful dual-mounted 120 mm cannon located in each turret.
  • 120 mm rounds offer great damage when hitting targets.
  • Heavily armoured, below the belt.
  • Good anti-air capabilities.


  • Low rate-of-fire, long reload times - fastest reload time 6.3 seconds.
  • Only has two turrets and conscious enemies will focus on knocking these out, first.
  • L45 cannons only have HE rounds, No AP or other rounds possible.
  • The armour is only located around and on the: belt, bridge & turrets
  • Slow 24 km/h, (15 mph) stock, increases the vulnerability of being hit by torpedoes or bombs
  • Outclassed by other vehicles close to its battle rating: Such as the LCS(3), Pr. 206, Pr. 159, Type 140/141)


The K-class gunboats were ordered as a replacement to the outdated Dutch Brinio-class gunboats that preceded them. Originally, seven ships of the class were planned to be constructed, three of which were ordered and laid down right away. However, the German occupation of the Netherlands in 1940 abruptly ended the construction of the already laid down ships, with pending orders for the remaining ships getting cancelled. Following the occupation, all three uncompleted warships were captured after falling into German hands.

The Kriegsmarine decided to continue construction and to complete all three of the captured warships for use in the German war effort. Thus, the K-1, K-2 and K-3 were all subsequently completed by 1940/41 and were put into commission with the German navy by 1942. The three gunboats primarily saw service in Norwegian and German waters, performing patrols and other low-profile missions. K-1, the lead ship of the class, was sunk right at the end of WW2 in 1945 off the coast of Denmark. The К-2’s back of the deck was damaged by a torpedo during another air attack of the allies. The vessel had been towed back to Germany but was never repaired till the end of the war. After the war she was towed to the Netherlands where it sunk for unknown reasons, it was raised from the seabed and scrapped in 1946.K-3 was the sole survivor of the class, being recommissioned into Dutch service after WW2 under the name “Van Speijk”. K-3 remained in Dutch service until 1960, after which she was sold for scrap.

- From Devblog


An excellent addition to the article will be video guides, as well as screenshots from the game and photos.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

Germany boats
Motor torpedo boats  Jaguar-Klasse (140) · LS 3 · LS 4 Esau · R-boot R-301 · S-38 · S-38b · S-100 (1944) · S-100 (1945) · S-100 (S204) · VS-10
Motor gun boats  R-boot R-41 · R-boot R-130
Motor torpedo gun boats  Albatros-Klasse (143) · MZ1 · TS-Boot Proj. 206