SF40 Leichte

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Rank 4 USA
USS Helena Pack
SF40 Leichte
SF40 Leichte
2.7 2.7 2.7
Research:50 000 Specs-Card-Exp.png
Purchase:190 000 Specs-Card-Lion.png
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GarageImage SF40 Leichte.jpg

The Siebelfähre 40 Leichte Flakkampffähre is a Rank III German anti-air ferry with a battle rating of 2.7 (AB/RB/SB). It was introduced in Update 1.79 "Project X" in the fleet closed beta test.

General info

Survivability and armour

The SF40 Leichte offers German players the first real armored ship. Each of the 20 mm Vierlingsflak C/38 cannons sit behind 12 mm of hardened steel. Surrounding each cannon is a cubicle of 10 mm rolled homogenous armor. The conning tower is encased in 10mm of rolled armor, offering significant protection from .50 Caliber projectiles. On top of the bridge, the 37 mm cannon boasts 8 mm of hardened steel, enough armor to protect against strafing from fighters.

The armor around each cannon and the bridge covers well over half the deck, giving any captain peace of mind. However, anything larger than 30 mm will pose a problem. Since the SF40 is rather slow, captains will need to rely on her armor to win engagements. Lateral fire has the best chance of bouncing off her armor.


Write about the ship’s mobility. Evaluate its power and maneuverability, rudder rerouting speed, stopping speed at full tilt, with its maximum forward speed and reverse speed.


Primary armament

The 4 x 20 mm Vierlingsflak C/38 cannons are the star of this ship, capable of shredding apart any type of ship, at least at low rank. The ammo doesn't really matter as there is an abundant reserve for mass firings.

Secondary armament

The 37 mm is rather useless compared to the primary armament due to its limited armaments, but can be used to peg weak ships at a distance and pester off incoming aircraft.

Usage in battles

The best method of using the SF40 Leichte is to hide behind a rock near the capture points and rake anything that tries to cap with the large assortment of autocannons. It is also possible to flank around, get to the sides of the enemy and riddle them with cannon ammo as well.

Pros and cons


  • 4 flakvierlings absolutely shred every aircraft and light armored vessel
  • Almost invincible to guns of rank 3 ships and below as well as aircraft machine guns and low caliber cannons
  • Twin-hulled barge, making the deck very stable for firing
  • Packs a lot of ammo


  • Easy target for torpedoes and dive bombers
  • Reacts extremely slow to rudder input
  • Large target from any angle.
  • Placement of the flakvierlings mean that at most 3 of them can fire at the same surface target.
  • 20mm rounds struggle with armored targets
  • Firing leaves a storm of tracers, making you extremely easy to locate and identify


Describe the history of the creation and combat usage of the ship in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/ History" (example: https://wiki.warthunder.com/(Vehicle-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref>, as well as adding them at the end of the article.


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

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • encyclopedia page on ship;
  • other literature.

Germany barges
Anti-air ferries  SF40 Leichte · SF40 Schwere
Naval ferry barges  AF D1 · AF D3