Naval technology
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Note, in-game these technologies appear on two tabs: Escorts and Capital. They are here divided in the same manner. Most naval technologies, once researched, cannot be applied to preexisting ships by Upgrade.
Escorts
One-Time Techs
| Name | Prerequisite | Difficulty | Research Bonus | Year | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|
| Assault Ships | Landing Craft Invasion Tactics - 2 Landing Craft Support - 2 |
10 | Naval Engineering 1.0 | 1942 | Naval Engineering | Assault Ship - Activated |
| Destroyer | 1 | Naval Engineering 1.0 | 1918 | Naval Engineering | Destroyers - Activated Naval Base - Activated | |
| Landing Craft | Destroyer | 8 | Naval Engineering 1.0 | 1940 | Naval Engineering | Landing Craft - Activated |
| Light Cruiser | 1 | Destroyer Practical 0.7 Naval Engineering 0.3 |
1918 | Naval Engineering | Light Cruiser - Activated Coastal Fort - Activated | |
| Submarine Technology | At least 1 Naval Base | 7 | Submarine Engineering 1.0 | 1918 | Submarine Engineering | Submarine - Activated |
Scaled Techs
Max level of 12
Technologies marked with a * can be applied to previously existing ships by Upgrade
| Name | Prerequisite | Difficulty | Research Bonus | Start Year | First Offset | Additional Offset | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|---|---|
| Destroyer Anti-Aircraft Armament * | Destroyer | 1 | Destroyer Practical 0.6 Naval Engineering 0.3 Fleet In Being Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Destroyers - Air Attack +1.25, Air Defence +1 |
| Destroyer Armour | Destroyer | 1 | Destroyer Practical 0.6 Naval Engineering 0.3 Fleet In Being Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Destroyers - Hull +0.05 |
| Destroyer Engine | Destroyer | 1 | Destroyer Practical 0.6 Naval Engineering 0.3 Fleet In Being Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Destroyers - Sea Defence +2, Mission Max Range +400, Maximum Speed +2, Fuel Consumption +0.01 |
| Destroyer Main Armament | Destroyer | 1 | Destroyer Practical 0.6 Naval Engineering 0.3 Fleet In Being Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Destroyers - Convoy Attack +0.5, Sea Attack +0.25 |
| Invasion Tactics * | Landing Craft | 4 | Naval Engineering 1.0 | 1940 | 1942 | 2 | Naval Engineering | Assault Ships - Amphibious invasion speed +0.1 Landing Craft - Amphibious invasion speed +0.1 Transport - Amphibious invasion speed +0.1 |
| Landing Craft Support * | Landing Craft | 5 | Naval Engineering 1.0 | 1940 | 1942 | 2 | Naval Engineering | Assault Ships - Amphibious craft defence +0.1 Landing Craft - Amphibious craft defence +0.1 Transport - Amphibious craft defence +0.1 |
| Light Cruiser Anti-Aircraft Armament * | Light Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 0.1 |
1918 | 1934 | 2 | Naval Engineering | Light Cruiser - Air Attack +1.5, Air Defence +1.5 |
| Light Cruiser Armour | Light Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Light Cruiser - Hull +0.05 |
| Light Cruiser Engine | Light Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Light Cruiser - Sea Defence +1.5, Mission Max Range +500, Maximum Speed +1.5, Fuel Consumption +0.01 |
| Light Cruiser Main Armament | Light Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Light Cruiser - Convoy Attack +0.5, Sea Attack +0.5 |
| Small Warship Radar * | Light Cruiser OR Destroyer IF < 3, RADAR (Industry technology) - 1 IF >= 3, RADAR (Industry technology) - 3 |
2 | Electronic Engineering Theory 0.5 Cruiser Practical 0.25 Destroyer Practical 0.25 |
1939 | 1940 | 2 | Electronic Engineering Theory | Destroyers - Surface Detection +1, Air Detection +1, Night: Attack +10% Light Cruiser - Surface Detection +1, Air Detection +1, Night: Attack +10% |
| Small Warship ASW * | Light Cruiser OR Destroyer IF < 3, Radar (Industry technology) - 1 IF >= 3, Radar (Industry technology) - 3 |
3 | Electronic Engineering Theory 0.5 Cruiser Practical 0.25 Destroyer Practical 0.25 |
1940 | 1941 | 3 | Electronic Engineering Theory | Destroyers - Submarine Attack +2, Submarine Detection +4 Light Cruiser - Submarine Attack +1, Submarine Detection +3 |
| Sonar and Detection Equipment * | Submarine Technology RADAR (Industry technology) - 1 |
3 | Submarine Practical 0.7 Electronic Engineering Theory 0.3 |
1939 | 1940 | 2 | Electronic Engineering Theory | Submarine - Sea Defence +0.75, Surface Detection +2, Submarine Detection +1 |
| Submarine Air Warning Equipment * | Submarine Technology RADAR (Industry technology) - 1 |
3 | Submarine Practical 0.7 Electronic Engineering Theory 0.3 |
1939 | 1940 | 2 | Electronic Engineering Theory | Submarine - Air Detection +0.5 |
| Submarine Anti-Aircraft Armament * | Submarine Technology | 1 | Submarine Practical 0.6 Submarine Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 3 | Submarine Engineering | Submarine - Air Attack +0.25, Air Defence +1 |
| Submarine Engine | Submarine Technology | 1 | Submarine Practical 0.6 Submarine Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 3 | Submarine Engineering | Submarine - Sea Defence +0.25, Max Mission Range +900, Maximum Speed +1.5, Fuel Consumption +0.015 |
| Submarine Hull | Submarine Technology | 3 | Submarine Practical 0.6 Submarine Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 3 | Submarine Engineering | Submarine - Visibility -1 |
| Submarine Torpedoes * | Submarine Technology | 1 | Submarine Practical 0.6 Submarine Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 3 | Submarine Engineering | Submarine - Convoy Attack +4.5, Sea Attack +0.25 |
Capital
One-Time Techs
| Name | Prerequisite | Difficulty | Research Bonus | Year | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|
| Aircraft Carrier Technology | Escort Carrier Technology At least 1 Naval Base |
3 | Capital Ship Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | Naval Engineering | Carrier - Activated |
| Battlecruiser Construction | At least 1 Naval Base | 2 | Capital Ship Practical 0.7 Naval Engineering 0.3 |
1918 | Naval Engineering | Battlecruiser - Activated |
| Battleship Construction | At least 1 Naval Base | 3 | Capital Ship Practical 0.7 Naval Engineering 0.3 |
1918 | Naval Engineering | Battleship - Activated |
| Carrier Aircraft Development | Single-Engine Aircraft (Air technology) At least 1 Naval Base |
1 | Capital Ship Practical 0.4 Aeronautical Engineering 0.3 Single Engine Aircraft Practical 0.3 |
1918 | Aeronautical Engineering | Carrier Air Group - Activated |
| Escort Carrier Technology | Carrier Aircraft Development At least 1 Naval Base |
2 | Capital Ship Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | Naval Engineering | Escort Carrier - Activated |
| Heavy Cruiser | At least 1 Naval Base | 1 | Cruiser Practical 0.7 Naval Engineering 0.3 |
1918 | Naval Engineering | Heavy Cruiser - Activated |
| SH Battleship Construction | Battleship Construction Battleship Anti-Air Armament - 2 Battleship Armour - 2 Battleship Engine - 2 Capital Ship Main Armament - 2 |
4 | Capital Ship Practical 0.7 Naval Engineering 0.3 |
1938 | Naval Engineering | SH Battleship - Activated |
Scaled Techs
| Name | Prerequisite | Difficulty | Research Bonus | Start Year | First Offset | Additional Offset | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|---|---|
| Aircraft Carrier Anti-Aircraft Armament * | Aircraft Carrier Technology | 3 | Carrier Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Carrier - Air Attack +0.5, Air Defence +1 Escort Carrier - Air Attack +0.5, Air Defence +1 |
| Aircraft Carrier Armour | Aircraft Carrier Technology | 3 | Carrier Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Carrier - Hull +0.1 Escort Carrier - Hull +0.08 |
| Aircraft Carrier Engine | Aircraft Carrier Technology | 3 | Carrier Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Carrier - Sea Defence +0.5, Mission Max Range +600, Maximum Speed +1, Fuel Consumption +0.01 Escort Carrier - Sea Defence +1, Mission Max Range +500, Maximum Speed +0.5, Fuel Consumption +0.01 |
| Aircraft Carrier Hangar | Aircraft Carrier Technology | 3 | Carrier Practical 0.6 Naval Engineering 0.3 Base Strike Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Carrier - Visibility -3 Escort Carrier - Visibility -3 |
| Battlecruiser Anti-Aircraft Armament * | Battlecruiser Construction | 2 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battlecruiser - Air Attack +0.5, Air Defence +1 |
| Battlecruiser Armour | Battlecruiser Construction | 2 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battlecruiser - Hull +0.08 |
| Battlecruiser Engine | Battlecruiser Construction | 2 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battlecruiser - Sea Defence +0.5, Mission Max Range +600, Maximum Speed +1, Fuel Consumption +0.01 |
| Battleship Anti-Aircraft Armament * | Battleship Construction | 3 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battleship - Air Attack +0.5, Air Defence +1 SH Battleship - Air Attack +0.35, Air Defence +0.65 |
| Battleship Armour | Battleship Construction | 3 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battleship - Hull +0.1 |
| Battleship Engine | Battleship Construction | 3 | Capital Ship Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Battleship - Sea Defence +0.25, Mission Max Range +600, Maximum Speed +0.5, Fuel Consumption +0.01 |
| Capital Ship Main Armament | Battleship Construction OR Battlecruiser Construction | 3 | Capital Ship Practical 0.7 Naval Engineering 0.3 |
1918 | 1934 | 2 | Naval Engineering | Battleship - Convoy Attack +1, Sea Attack +2 Battlecruiser - Convoy Attack +1, Sea Attack +1.5 |
| Heavy Cruiser Anti-Aircraft Armament * | Heavy Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 0.1 |
1918 | 1934 | 2 | Naval Engineering | Heavy Cruiser - Air Attack +1.5, Air Defence +1.5 |
| Heavy Cruiser Armour | Heavy Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Heavy Cruiser - Hull +0.05 |
| Heavy Cruiser Engine | Heavy Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Heavy Cruiser - Sea Defence +1, Mission Max Range +600, Maximum Speed +1.5, Fuel Consumption +0.01 |
| Heavy Cruiser Main Armament | Heavy Cruiser | 1 | Cruiser Practical 0.6 Naval Engineering 0.3 Sealane Interdiction Doctrine 0.1 |
1918 | 1934 | 2 | Naval Engineering | Heavy Cruiser - Convoy Attack +0.5, Sea Attack +1 |
| Large Warship Radar * | Aircraft Carrier Technology OR Battlecruiser Construction OR Battleship Construction OR Heavy Cruiser IF <3, RADAR (Industry technology) - 1 IF >=3, RADAR (Industry technology) - 3 |
2 | Electronic Engineering Theory 0.4 Capital Ship Practical 0.2 Carrier Practical 0.2 Cruiser Practical 0.2 |
1939 | 1940 | 2 | Electronic Engineering Theory | Battlecruiser - Surface Detection +1, Air Detection +1, Night: Attack +10% Battleship - Surface Detection +1, Air Detection +1, Night: Attack +10% Carrier - Surface Detection +1, Air Detection +1, Night: Attack +10% Escort Carrier - Surface Detection +1, Air Detection +1, Night: Attack +10% Heavy Cruiser - Surface Detection +1, Air Detection +1, Night: Attack +10% SH Battleship - Surface Detection +1, Air Detection +1, Night: Attack +10% |
