List of Combat Signals

{| class="wikitable" style="text-align:center; width:100%"
|+ List of Combat Signals
! style="width: 125px; vertical-align:middle" | Flag 
! style="width: 125px; vertical-align:middle" | Name 
! style="width: 125px; vertical-align:middle" | Associated Achievement 
! style="width: 125px; vertical-align:middle" | Sale Price 
! style="vertical-align:middle;" | Historical Meaning 
! style="width: 375px; vertical-align:middle;" | Effect
|-
| style="vertical-align:middle;" | [[Image:PCEF006 HY SignalFlag.png|100 px|frameless|center|link=]] 
| style="vertical-align:middle;" |''' Hotel Yankee '''
| style="vertical-align:middle;" | Die Hard 
| style="vertical-align:middle;" | 750{{Credits}}
| style="vertical-align:middle;" | ''"The vessel with which I have been in a collision has sunk." ''
| style="text-align:left; vertical-align:middle;"|
* -20% to damage received when ramming the enemy. 
* +50% to damage dealt when ramming the enemy.
|-
| style="vertical-align:middle;" | [[Image:PCEF007 ID SignalFlag.png|100 px|frameless|center|link=]] 
| style="vertical-align:middle;" | '''India Delta '''
| style="vertical-align:middle;" | Dreadnought 
| style="vertical-align:middle;" | 7,500{{Credits}}
| style="vertical-align:middle;" | ''"Damage can be repaired at sea."''
| style="text-align:left; vertical-align:middle;" | 
* +20% to the amount of HP recovered when the Repair Party consumable is used.
|-
| style="vertical-align:middle;" | [[Image:PCEF008 IY SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''India Yankee '''
| style="vertical-align:middle;" | Fireproof 
| style="vertical-align:middle;" | 6,000{{Credits}}
| style="vertical-align:middle;" | ''"I can get the fire under control without assistance." ''
| style="text-align:left; vertical-align:middle;" |
* -20% to fire duration.
|-
| style="vertical-align:middle;" | [[Image:PCEF010 JC SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''Juliet Charlie'''
| style="vertical-align:middle;" | Detonation 
| style="vertical-align:middle;" | 6,000{{Credits}}
| style="vertical-align:middle;" | ''"There is no danger of explosion." ''
| style="text-align:left; vertical-align:middle;" |
* -100% to the risk of your ship's magazine detonating.<br><br>'''Note:''' This flag reduces detonation chance to zero, regardless of other modifiers that may increase the chance of detonation (such as India X-Ray and Juliet Whiskey Unaone).
|-
| style="vertical-align:middle;" | [[Image:PCEF009 JY2 SignalFlag.png|100 px|frameless|center|link=]] 
| style="vertical-align:middle;" | '''Juliet Yankee Bissotwo '''
| style="vertical-align:middle;" | Unsinkable 
| style="vertical-align:middle;" | 1,500{{Credits}}
| style="vertical-align:middle;" | ''"Leak is under control."  ''
| style="text-align:left; vertical-align:middle;" | 
* -20% to flooding duration.
|-
| style="vertical-align:middle;" | [[Image:PCEF012 MY6 SignalFlag.png|100 px|frameless|center|link=]] 
| style="vertical-align:middle;" | '''Mike Yankee Soxisix '''
| style="vertical-align:middle;" | Close Quarters Expert 
| style="vertical-align:middle;" | 3,000{{Credits}}
| style="vertical-align:middle;" | ''"It is dangerous to approach close to my vessel."''
| style="text-align:left; vertical-align:middle;" | 
* +5% to secondary battery maximum firing range.
* -5% to maximum dispersion of secondary battery shells.
* -5% to secondary battery loading time.
|-
| style="vertical-align:middle;" | [[Image:PCEF005 SM SignalFlag.png|100 px|frameless|center|link=]] 
| style="vertical-align:middle;" | '''Sierra Mike''' 
| style="vertical-align:middle;" | Double Strike 
| style="vertical-align:middle;" | 7,500{{Credits}}
| style="vertical-align:middle;" | ''"I am undergoing speed trials." ''
| style="text-align:left; vertical-align:middle;" | 
* +5% to the ship's maximum speed.
|-
| style="vertical-align:middle;" | [[Image:PCEF014 NF SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''November Foxtrot'''
| style="vertical-align:middle;" | High Caliber
| style="vertical-align:middle;" | 6,000{{Credits}}
| style="vertical-align:middle;" | ''"You are running into danger."''
| style="text-align:left; vertical-align:middle;" | 
* -5% reload time on all consumables.
|-
| style="vertical-align:middle;" | [[Image:PCEF016 NE7 SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''November Echo Setteseven'''
| style="vertical-align:middle;" | Clear Sky
| style="vertical-align:middle;" | 6,000{{Credits}}
| style="vertical-align:middle;" | ''"Proceed with caution; hostile aircraft sighted."''
| style="text-align:left; vertical-align:middle;" | 
* +10% average damage per second of all anti-aircraft mounts.
* +10% average damage per second of self-defense armament for aircraft with rear gunners.
|-
| style="vertical-align:middle;" | [[Image:PCEF017_VL_SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''Victor Lima'''
| style="vertical-align:middle;" | Witherer
| style="vertical-align:middle;" | 12,000{{Credits}}
| style="vertical-align:middle;" | ''"Hurricane is approaching; take appropriate precautions."''
| style="text-align:left; vertical-align:middle;" | 
* +1% chance of causing a fire for bombs and shells with a caliber above 160mm.
* +0.5% chance of causing a fire for bombs and shells with a caliber below 160mm.
* +4% chance of causing flooding.
|-
| style="vertical-align:middle;" | [[Image:PCEF018 IX SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''India X-Ray'''
| style="vertical-align:middle;" | Arsonist
| style="vertical-align:middle;" | 9,000{{Credits}}
| style="vertical-align:middle;" | ''"Fire is gaining."''
| style="text-align:left; vertical-align:middle;" | 
* +1% chance of causing a fire for bombs and shells with a caliber above 160mm.
* +0.5% chance of causing a fire for bombs and shells with a caliber below 160mm.
* <span style="color:#A52A2A;">+5% to the risk of your ship's magazine detonating.</span>
|-
| style="vertical-align:middle;" | [[Image:PCEF019 JW1 SignalFlag.png|100 px|frameless|center|link=]]
| style="vertical-align:middle;" | '''Juliet Whiskey Unaone'''
| style="vertical-align:middle;" | Liquidator
| style="vertical-align:middle;" | 4,500{{Credits}}
| style="vertical-align:middle;" | ''"Leak is dangerous."''
| style="text-align:left; vertical-align:middle;" | 
* +15% chance of causing flooding.
* <span style="color:#A52A2A;">+5% to the risk of your ship's magazine detonating.</span>
|}