Helena

Survivability

Health: 27,370

Citadel Protection: 10%

Fire and Flooding Resistance: 12.50%

Damage Reduction: 9%

Torpedo Damage Reduction: 9%

Armour

Bow: 25 mm

Stern: 25 mm

Deck: 50 mm

Belt: 127 mm

Maneuverability

Top Speed: 31.68 Knots 

Time to Full Speed: 14.19 s

Max Traverse Speed: 7.30 deg/s

Turn Time: 7.20 s

Main Guns (152 mm L/53 MK16 5x3)

Reload Time: 8.50 s

• Rate of Fire: 105.88 RPM

Range: 10 km

• Flight Time: 6.35 s

  • Initial Velocity: 229.96 m/s

  • Deceleration: 10.01 m/s²

Dispersion Min/Max/Vertical: 66 m / 246 m / 75 m

Sigma: 0 σ

HE Damage: 460

• Raw Alpha: 6,900

• Raw DPM: 48,706

Fire Chance: 4%

• Raw Alpha: 45.79%

• Raw FPM: 3.23 FPM

AP Damage: 552

• Raw Alpha: 8,280

• Raw DPM: 58,447

Citadel Chance: 5%

• Raw Alpha: 53.67%

• Raw CPM: 3.79 CPM

Citadel Damage Rate: 150%

• HE Citadel Damage: 690

• AP Citadel Damage: 828

Turret Traverse: 12 deg/s

Secondary Guns (127 mm L/38 MK12 4x2)

Reload Time: 6 s

• Rate of Fire: 40 RPM

Range: 5.74 km

• Flight Time: 3.06 s

  • Initial Velocity: 251.47 m/s

  • Deceleration: 10.01 m/s²

Dispersion Min/Max/Vertical: 60 m / 192 m / 54 m

Sigma: 1 σ

HE Damage: 345

• Raw Alpha: 1,380

• Raw DPM: 13,800

Fire Chance: 3%

• Raw Alpha: 11.47%

• Raw FPM: 1.15 FPM

Turret Traverse: 16 deg/s

Anti-Aircraft Armament

Large Caliber AA Damage: 147

Large Caliber AA Range: 3.60 km

Small Caliber AA Damage: 170

Small Caliber AA Range: 1.50 km

Total AA Damage: 317

Concealment

Surface Detection: 8.28 km

After Firing Guns: 11.04 km

Air Defense Alert I x2

Large Caliber AA damage: +75% for 20 s

Small Caliber AA damage: +75% for 20 s

Before: 147 / 170

After: 257 / 298

Cooldown time: 60 s

Radar I x2

Detects hostile ships:

7.20 km for 10 s

Cooldown: 105 s

Escort Specialization

Main Battery Traverse Speed: +7%

Max Speed: +3%

Large Caliber AA Damage: +5%

Before: 12 deg/s / 31.68 Knots / 147

After: 12.84 deg/s / 32.63 Knots / 154

AA Specialization

Large Caliber AA damage: +7% 

Small Caliber AA damage: +7%

Before: 147 / 170

After: 157 / 182