Back to List
Tier XBattleship
Pan-AmericaSpecialRareGlobal
Pan-AmericaSpecialRareGlobalSete de Setembro
WoWS World of Warships Pan-America Battleship · Tier X
- Main Battery
- 406 mm/56 Mk.4 in a turret
- 4 turrets × 3 barrels
- Range 25.3 km
- Secondaries
- 127 mm HE Mk41
- Range 8.3 km
Specifications
Sete de Setembro Win Rate & Combat Stats
Sample of 495.2K players · as of 2026-10-15ServerBattlesWin rateAvg damage
EUBattles 45,400
45.4K45,400
Win rate
52.28%
#8 of 41
Avg damage
115,480
#1 of 41
ASIABattles 52,929
52.9K52,929
Win rate
53.12%
#6 of 41
Avg damage
119,095
#1 of 41
NABattles 24,537
24.5K24,537
Win rate
51.83%
#16 of 41
Avg damage
113,412
#2 of 41
Averages from our own crawled player sample, not official server-wide data. The sample skews toward active clan players, so its overall win rate runs about 1 point above the true server average. Battle counts are career totals and include games played before this ship’s past balance changes.
Survivability
Hit Points76,300
#35 of 48
Group avg 86,515Flood Damage37%
Main Belt Armor343 mm
Deck Armor140 mm
Bow / Stern Armor32 mm
Ship Length208.5 m
Ship Width37.8 m
Main Battery
Main battery layout4×3(Total barrels 12)
Caliber406 mm
Firing Range25.3 km
#8 of 48
Group avg 22.4 kmReload Time40.0 s
Rotation Time51.4 s
Max Dispersion313 m
Sigma2.00
Shell Types
AP Shell
AP ShellDamage12,750
Shell Velocity914 m/s
Overmatch Threshold28.4 mm
Ricochet Angle45° / 60°
Normalization6°
Fuse Threshold68 mm
Air Drag0.242
Flight Time13.11 s
Nominal all-gun DPM229,500
#44 of 48
Group avg 278,195HE Shell
HE ShellDamage5,350
Shell Velocity914 m/s
Fire Chance24%
Penetration68 mm
Air Drag0.242
Flight Time13.11 s
Nominal all-gun DPM96,300
Secondary Battery
Secondary Guns8
Range8.3 km
Sigma1.00
Max Dispersion503.1 m
Accuracy★☆☆☆☆ Decorative
Total DPM596,160
127 mm HE Shell(8×2)
Damage1,800
HE Penetration21 mm
Fire Chance9%
Rate of Fire20.7 rpm
AA Defense
Flak Bursts6
Flak Damage1,680
AA Ranges
Long range6.0 km144 dps
Mid range4.0 km525 dps
Maneuverability
Max Speed22.8 knots
#48 of 48
Group avg 30.6 knotsTurning Radius700 m
#1 of 48
Group avg 947 mRudder Shift Time16.2 s
Engine Power72,000 hp
Displacement55,300 t
Power-to-Weight1.30 hp/t
Concealment
Max Surface Detection15.72 km
#19 of 48
Group avg 16.15 kmMin Surface Detection12.73 km
Air Detection10.00 km
Submarine Detection10.00 km
Detectability Firing in Smoke15.64 km
Combat Instructions
Immediate Main Battery Reload
Duration50 s
Charge Required5
Charge Decay1/s (90s)
Charge Method
- Hit the citadel of an enemy ship+50
- Penetrate enemy ship armor with main battery shells+5
- Over-penetrate enemy ship armor with main battery shells+5
Activation effect
Main battery reload time-50%
Consumable preparation and cooldown time-20%
Consumables
Slot 1
Damage Control Party
Damage Control Party
Extinguishes fires, removes instances of flooding, and repairs damaged modules. Prevents enemy acoustic torpedoes from homing.
Reload80 s
Duration20 s
Charges∞
Slot 2
Repair Party
Repair Party
Partially restores the ship's HP by repairing any light damage.
Reload60 s
Duration14 s
Charges3
Heal Rate1.5%/s
Citadel10%
Non-Citadel60%
Slot 3
Auxiliary and Torpedo Armament Booster
Auxiliary and Torpedo Armament Booster
Temporarily boosts the performance of secondary, torpedo, and airstrike armaments.
Reload120 s
Duration30 s
Charges3
Secondary battery damage+10%
Torpedo tube reload time-20%
Airstrike armament reload time-20%
Slot 4
Fighters
Fighters
Follow the ship and automatically attack enemy aircraft. Can attack Airstrike squadrons multiple times before returning to the ship. Cannot spot enemy ships.
Reload90 s
Duration60 s
Charges3
Fighters4
or
Spotting Aircraft
Spotting Aircraft
Extends main battery firing range.
Reload240 s
Duration100 s
Charges4
Range Boost+20%
Armament
Depth Charge Airstrike
Depth Charge Airstrike
Carries out aerial bombardment of the marked area with depth charges. Depth charges can hit enemy submarines. They also have chances of causing fire, flooding, and incapacitating modules. Increased chances of incapacitating sonar. Effective against enemy mines. Cannot spot enemy ships.
Reload30 s
Charges2
Strike Range0.5–11.0 km
Planes9
Flights2
Bomb Damage4900
Fire Chance28%
Battle Instructions
Immediate Main Battery Reload
Immediate Main Battery Reload
Duration50 s
Charge Required5
Charge Decay1/s (90s)
Hit the citadel of an enemy ship+50
Penetrate enemy ship armor with main battery shells+5
Over-penetrate enemy ship armor with main battery shells+5
Main battery reload time-50%
Consumable preparation and cooldown time-20%
Sete de Setembro Change History
- Buffpercent of non-citadel damage that can be restored50 → 60 %
New activation effect added to Combat Instructions
- consumable reload time-20 %
- time before combat instructions start losing progress50 → 90 s
- percent of damage received to hull parts that can be restored60 → 75 %
- Buffmain battery maximum range11.1 → 12.9 km
Torpedo parameters changed
- Nerfmaximum range6.8 → 6 km
- Speed increased: 53 to 75kt
- Nerfdetectability range0.6 → 1.6 km
Engine Boost consumable parameters changed
- Buffreload time120 → 60 s
- Nerfaction time120 → 45 s
- Buffbonus to maximum speed8 → 20 %
- Buffsigma value1.9 → 2
Ballistics
Armor Model
Overview
One of the planned South Dakota–class battleships that the United States intended to build in the 1920s. During the 1930s and 1940s, such ships would have undergone significant refits to their armament and appearance. This could have included the possible installation of the U.S. Navy's experimental 406 mm/56 Mk 4 guns, developed and tested during the same period. After the end of hostilities, the U.S. Navy would no longer have required such a ship and could have sold her to Brazil along with several smaller ships.
Modules
406 mm/56 Mk.4 in a turret
406 mm/56 Mk.4 in a turret
Main Battery
Rate of Fire:1.5
Max AP Damage:12,750
Max HE Damage:5,350
Rotation Time:51.4s
Sete de Setembro
Sete de Setembro
Hull
AA Guns:24
Main Guns:4
Secondary Guns:8
HP:76,300
Range:19-457
Torpedo Tubes:0
Propulsion: 72,000 hp
Propulsion: 72,000 hp
Engine
Max Speed:22.8 knots
Mk10 mod. 1
Mk10 mod. 1
Fire Control
Range:0 km
Upgrades
Slot 1
Auxiliary Armaments Modification 1
Auxiliary Armaments Modification 1
AA mount survivability: +100%
Secondary battery survivability: +100%
Main Armaments Modification 1
Main Armaments Modification 1
Risk of main battery becoming incapacitated: -20%
Main battery survivability: +50%
Main battery repair time: -20%
Risk of torpedo tubes becoming incapacitated: -20%
Torpedo tubes survivability: +50%
Torpedo tubes repair time: -20%
Damage Control Party Modification 1
Damage Control Party Modification 1
Consumable action time: +40%
Spotting Aircraft Modification 1
Spotting Aircraft Modification 1
Spotting Aircraft consumable action time: +30%
Slot 2
Engine Room Protection
Engine Room Protection
Risk of steering gears becoming incapacitated: -20%
Steering gears repair time: -20%
Risk of engine becoming incapacitated: -20%
Engine repair time: -20%
Damage Control System Modification 1
Damage Control System Modification 1
Risk of catching fire: -5%
Risk of flooding: -3%
Slot 3
Aiming Systems Modification 1
Aiming Systems Modification 1
Maximum main battery shell dispersion: -7%
Maximum secondary battery shell dispersion: -5%
Secondary battery firing range: +5%
Torpedo tubes traverse speed: +20%
AA Guns Modification 1
AA Guns Modification 1
Priority AA sector preparation time: -20%
Secondary Battery Modification 1
Secondary Battery Modification 1
Maximum secondary battery shell dispersion: -20%
Secondary battery firing range: +20%
Main Battery Modification 2
Main Battery Modification 2
Main battery traverse speed: +15%
Slot 4
Airstrike Modification 1
Airstrike Modification 1
Airstrike aircraft HP: +25%
Airstrike armament reload time: -20%
Depth charge damage: +15%
Steering Gears Modification 1
Steering Gears Modification 1
Rudder shift time: -20%
Propulsion Modification 1
Propulsion Modification 1
Maximum reverse speed at full power: +140%
Time to reach full engine power when decelerating: -50%
Maximum forward speed at full power: +140%
Time to reach full engine power when accelerating: -50%
Damage Control System Modification 2
Damage Control System Modification 2
Fire extinguishing time: -15%
Flooding recovery time: -15%
Slot 5
Ship Consumables Modification 1
Ship Consumables Modification 1
Ship consumable action time: +10%
Concealment System Modification 1
Concealment System Modification 1
Squadron detectability range: -10%
Dispersion of shells fired by enemies attacking your ship: +5%
Ship's detectability range: -10%
Ship detectability for submarines when underwater: -10%
Torpedo Lookout System
Torpedo Lookout System
Assured acquisition range of torpedoes: 1.8km
Slot 6
Auxiliary Armaments Modification 2
Auxiliary Armaments Modification 2
Continuous AA damage: +15%
Damage from AA shell explosions: +15%
Number of explosions produced by AA defense salvos when the Defensive AA Fire consumable is active: +2
Secondary battery reload time: -20%
Gun Fire Control System Modification 2
Gun Fire Control System Modification 2
Main battery firing range: +16%
Main Battery Modification 3
Main Battery Modification 3
Main battery traverse speed: -13%
Main battery reload time: -12%