Ship:Defensive AA Fire Data
| DEFENSIVE AA FIRE | ||||||
|---|---|---|---|---|---|---|
| ||||||
| Ship | Tier | Nation(s) | Duration (seconds) | Effect | Cooldown (seconds) | Charges |
 Florida, West Virginia 1944,  Kansas, Minnesota, Vermont, Wisconsin
|
VII - X | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Mecklenburg
|
X | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Renown, Rooke, Renown '44, Hawke, Duncan, Scarlet Thunder, St. Vincent
|
VI - X | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Hood, Thunderer
|
VII, X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Sun Yat-Sen
|
IX | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
Cruisers (except  Anchorage)
|
VI - XI |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Atlanta (B), Flint
|
VII |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | Unlimited |
| San Diego
|
VIII |
|
30 | +100% continuous damage,, all ranges. Damage from flak bursts quadrupled. |
60 | 4 |
| Yubari
|
IV | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 2 |
| Cruisers (except Huanghe, Mengchong, Tokachi, Ägir, Admiral Schröder, Brennus, Kitakami, Perth, Mysore, Irian, Dalian)
|
VI - XI |    
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
 Petropavlovsk, Moskva, Sevastopol, Kommissar, Novosibirsk
|
X - XI |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Stalingrad
|
X |
|
60 | +25% continuous damage, all ranges. Damage from flak bursts quadrupled. |
180 | 3 |
| Hawkins, Devonshire, Dido, Surrey, Albemarle, Cheshire, Tiger '59, Hampshire, Nottingham, Drake, Goliath, Monmouth
|
V - X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Duca d'Aosta Duca degli Abruzzi
|
VI, VII | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Coronel Bolognesi, Ignacio Allende, Santander, San Martín
|
VII - X | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
180 | 4 |
| Nueve de Julio
|
VII |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Almirante Grau
|
VIII |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Cruisers (except De Zeven Provinciën)
|
VIII - X | 
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
Tech-tree Destroyers,  Halford, Forrest Sherman
|
V - XI |
|
40 | +100% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Premium Destroyers | VI - IX |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
 Ognevoi, Udaloi, Grozovoi, Neustrashimy
|
VIII - X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Marceau
|
X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Loyang (B), Fenyang, Ship Smasha
|
VIII |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 4 |
| Tech-tree Destroyers | VIII - XI |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Friesland, Velos
|
IX |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Groningen, Tromp
|
IX - X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Felix Schultz, ZF-6, Elbing
|
IX - X |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
| Hector
|
IX |
|
40 | +50% continuous damage, all ranges. Damage from flak bursts quadrupled. |
80 | 3 |
Most cruisers can exchange Defensive AA Fire for Hydroacoustic Search 
. Italian and American light cruisers have access to both Defensive AA Fire and Hydroacoustic Search simultaneously. American destroyers can exchange this consumable for Engine Boost 
.
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