HMS Chatham


This class is also known as the Sydney class, since several of its number were built for the Royal Australian Navy. For the duration of the war in European waters, however, most of the Australian ships are serving in the North Sea or Mediterranean. Only slight differences separate them from their predecessors: the deck armour was slightly reduced to allow the introduction of an armour belt with a higher quality protection. The addition of the armour belt resulted in a larger displacement.

Ship data

Relative combat value: 957

Basic damage control capacity: 113%


Displacement: 5400 tons

Length: 140 m

Width: 15 m

Draught: 5 m

Standard crew: 475


Maximum speed (undamaged): 25 knots

Endurance: 8338 km

Coal capacity: 1500 tons

Armour protection

Conning tower armour: 4

Hull armour: 1

Main belt armour: 3.5 (includes backing slope of deck armour)

Deck armour: 0.75 (sloped at edges to provide extra belt-level protection)

Best armour type: Harvey


8 x 6in BL Mk XI(PVI), centrally controlled. Ammo: 1200 rounds

1 x 12-pdr 20cwt HA Mk I, centrally controlled. Ammo: 200 rounds

2 x 21in Mk II(M) Torpedoes, locally controlled. Ammo: 6 torpedoes

Ships in classEdit

  • Chatham
  • Dublin
  • Southampton (away in foreign waters)
  • Sydney
  • Melbourne
  • Brisbane (away in foreign waters)