GIS 811

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Rank VI USSR | Premium | Golden Eagles
Su-25K Pack
it_a1_vosper.png
GarageImage GIS 811.jpg
GIS 811
Research:26 000 Specs-Card-Exp.png
Purchase:76 000 Specs-Card-Lion.png
Show in game

Description

The Vosper 70'6", GIS 811 is a rank III Italian motor torpedo boat with a battle rating of 2.3 (AB/RB/SB). It was introduced in Update "Starfighters". The Vosper 70' GIS 811 is a nimble little costal boat with highly effective armament that can easily make short work of any other coastal boats it gets its eyes on. Its one of the first boats you'll unlock when playing the Italian naval tree. Big issue is due to how the armament is placed, you need to know good map knowledge and know how to position yourself to make the most out of the vehicle. This version in game represents one of the early post war motor torpedo boats the Italian navy had put into service.

General info

Survivability and armour

Armourfront / side / back
Hull40 mm (wood)
Superstructure15 mm (wood)
Number of section3
Displacement37 t
Crew16 people

The Vosper 70' GIS 811 sadly is not very armoured, although it can withstand some machine-gun fire, most naval boats you'll encounter will not need much to take you out. The boat can take some damage if you don't expose yourself entirely, which should give you enough time to either move out of the way or fire back. Enemy aircraft with cannons and bombs also will be a big problem, so try avoid getting hit by them as you dont have much armour when being attacked from the air.

Mobility

Speedforward / back
AB104 / 35 km/h
RB74 / 25 km/h

The mobility of the Vosper 70' GIS 811 is very good, although their may be some ships which will slightly be faster you have just enough to usually be in front of most of your team. With this you're able to get to positions or get out of danger when you no longer feel safe. The mobility at times can also be a bit too much and unexperienced players may crash into other ships or beach themselves, thankfully you can regulate the speed of the Vosper 70' GIS 811 if needed.

Mobility Characteristics
Game Mode Upgrade Status Maximum Speed (km/h) Turn Time (s) Turn Radius (m)
Forward Reverse
AB Stock ___ ___
Upgraded 104 35
RB/SB Stock ___ ___
Upgraded 74 25

Modifications and economy

Repair costBasic → Reference
AB1 078 → 1 327 Sl icon.png
RB1 475 → 1 815 Sl icon.png
Total cost of modifications26 800 Rp icon.png
50 200 Sl icon.png
Talisman cost1 100 Ge icon.png
Crew training22 000 Sl icon.png
Experts76 000 Sl icon.png
Aces500 Ge icon.png
Research Aces320 000 Rp icon.png
Reward for battleAB / RB / SB
90 / 140 / 100 % Sl icon.png
142 / 142 / 142 % Rp icon.png
Modifications
Seakeeping Unsinkability Firepower
Mods new ship hull.png
Dry-Docking
Research:
1 800 Rp icon.png
Cost:
3 400 Sl icon.png
145 Ge icon.png
Mods new ship rudder.png
Rudder Replacement
Research:
1 500 Rp icon.png
Cost:
2 800 Sl icon.png
120 Ge icon.png
Mods new ship screw.png
Propeller Replacement
Research:
3 300 Rp icon.png
Cost:
6 200 Sl icon.png
270 Ge icon.png
Mods new ship engine.png
Engine Maintenance
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
180 Ge icon.png
Mods ship damage control crew.png
Damage Control Division
Research:
1 800 Rp icon.png
Cost:
3 400 Sl icon.png
145 Ge icon.png
Mods ship fire control crew.png
Fire Division
Research:
1 500 Rp icon.png
Cost:
2 800 Sl icon.png
120 Ge icon.png
Mods engine smoke screen system.png
Smokescreen
Research:
1 500 Rp icon.png
Cost:
2 800 Sl icon.png
120 Ge icon.png
Mods new ship pumps.png
New Pumps
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
180 Ge icon.png
Mods tank ammo.png
20 mm HET magazines
Research:
1 800 Rp icon.png
Cost:
3 400 Sl icon.png
145 Ge icon.png
Mods tank ammo.png
20 mm APT magazines
Research:
1 500 Rp icon.png
Cost:
2 800 Sl icon.png
120 Ge icon.png
Mods new main caliber turrets.png
Primary Armament Targeting
Research:
3 300 Rp icon.png
Cost:
6 200 Sl icon.png
270 Ge icon.png
Mods ship art support.png
Artillery Support
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
180 Ge icon.png
Mods torpedo.png
Torpedo Mode
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
180 Ge icon.png

Armament

Primary armament

Turret20 mm/65 Breda anti-aircraft gun
Ammunition1500 rounds
Belt capacity12 rounds
Fire rate240 shots/min
Vertical guidance-10° / 90°
Turret4 x 2 cm/65 Flakvierling 38 automatic cannon
Ammunition8000 rounds
Belt capacity40 rounds
Fire rate480 shots/min
Vertical guidance-10° / 80°

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. Add a link to the main article about the weapon: {{main|Weapon name (calibre)}}. Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.

Additional armament

Setup 12 x 450 mm steam turbined W.200/450X5,75 torpedo

Describe the available additional armaments of the ship: depth charges, mines, torpedoes. Talk about their positions, available ammunition and launch features such as dead zones of torpedoes. If there is no additional armament, remove this section.

Usage in battles

Describe the technique of using this ship, the characteristics of her use in a team and tips on strategy. Abstain from writing an entire guide – don't try to provide a single point of view, but give the reader food for thought. Talk about the most dangerous opponents for this vehicle and provide recommendations on fighting them. If necessary, note the specifics of playing with this vehicle in various modes (AB, RB, SB).

Pros and cons

Pros:

  • Effective 20 mm guns
  • Sufficient AA capability
  • Small enough to hide behind rocks, islands, etc
  • Torpedoes have a lot of explosive filler
  • Capable of destroying other costal boats very quickly
  • Sufficient speed and mobility

Cons:

  • Torpedoes have a short range
  • Guns are insufficient against bigger boats
  • Susceptible to even small arms fire
  • Extremely low survivability

History

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 long, take it to a separate article, taking a link to the article about the ship and adding a block "/History" (example: https://wiki.warthunder.com/(Ship-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the ship's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

Vosper 70' GIS 811 (MMI)

See also

External links

Paste links to sources and external resources, such as:


Vosper & Company
Motor Torpedo Boat (MTB) 
70 ft Vosper  MTB Vosper · MTB Vosper(2) · GIS 811*
Gay-class  HMS Gay Archer
Brave-class  Brave Borderer
Schnellboot Type 153  Pfeil**
  *70 ft Vosper in post-war Italian Service
  **Built for West Germany

Italy boats
Motor torpedo boats  MC-490 · Freccia P-493 · MAS 555 · MAS 561 · MAS 569
  MS-15 · MS-53 · MS-472 · Stefano Turr · VAS 201 · GIS 811 · MC 485
Motor gun boats  MS-473 · MV-611 · Sparviero
Motor torpedo gun boats  Saetta P-494
Gunboats  Albatros