Haida is what Cossack used to be prior to 0.7.4.
| Hit Points | 15700 |
| Plating | 19mm |
| Maximum Speed | 36.5 kn |
| Turning Radius | 630 m |
| Rudder shift time | 3.8 sec |
| Surface Detectability | 7.2 km |
| Aerial Detectability | 3.81 km |
| Consumable 1 |   |
| Consumable 2 |   (Perth ver.) |
| Consumable 3 |   |
| Consumable 4 |   (Cossack ver.) |
| 120mm/45 CPXIX | |
| Layout | 3×2, AB-X |
| Reload Time | 5 sec |
| 180° rotating time | 18 sec |
| Sector of Fire | A ±115°, B ±152°, X ±139° |
| Firing Range | 12.32 km |
| σ | 2.0 |
| 120mm HE | |
| Damage | 1700 |
| Muzzle Velocity | 808 m/s |
| Chance of Fire | 8% |
| 120mm AP | |
| Damage | 2100 |
| Muzzle Velocity | 808 m/s |
| Firing Range | 4.0 km |
| 102mm/45 QF Mark XIX | |
| Layout | 1×2 |
| Reload Time | 3 sec |
| HE Damage | 1500 |
| Chance of Fire | 6% |
| 533mm QR Mark II | |
| Layout | 1×4 |
| Torpedo firing sector | 55° – 130° |
| 533mm Mark IX | |
| Reload Time | 96 sec |
| Torpedo Damage | 16767 |
| Torpedo Speed | 62 knots |
| Torpedo Range | 10 km |
| Detectability | 1.3 km |
| 40mm 2-pdr. Mark VII | ||
| Layout | Average DPS | Firing Range |
| 1×4 | 13 | 2.5 km |
| 20mm Orelikon Mark V | ||
| Layout | Average DPS | Firing Range |
| 6×2 | 37 | 2.0 km |
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