Omaha

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14.8

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Submarine | N/A | Tier

Tech Tree Position

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Purchase price1,200,000

Hit Points23,100

Battle Levels

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Battle Levels

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1,200,000

[[Ship:<value_unset_error>|<value_unset_error>]] — N/A Tier submarine.

IDS_PASC005_descr

Modules

Compatible Upgrades

Player Opinion

Performance

Warning: The data presented in the AA Defense sidebar section may be incorrect.
Refer to the in-game Port screens for more useful data.

The Ship

Tier V Omaha is an evolution of Phoenix. A mix of turret and casemate mounted guns means she has plenty of weapons, although she cannot bring them all to bear against an opponent. Among many players, she has a (somewhat deserved) reputation for exploding. But in the right hands, she is capable of unleashing a rain of fire on the enemy team.

Omaha has a small 600 meter turning circle and a fairly quick 6.4 second rudder shift, making her maneuverable which can help her avoid incoming attacks. Her 34 knot top speed is fairly typical for a Tier V cruiser, placing her firmly in the middle of the pack. Unfortunately, her concealment is rather poor at 13.2 km. This can be reduced to 11.8 km with the Concealment Expert skill, but Omaha is unlikely to sneak up on anything smaller than a battleship.

Omaha mounts a standard cruiser Damage Control Party  which is active for 5 seconds with a 60 second cool down between uses. She also carries a Hydroacoustic Search  and Catapult Fighter . Her Hydroacoustic Search is active for 100 seconds with a 120 second cooldown between uses and has 3 uses as standard. When it is active, Omaha will detect enemy ships at 4 km, torpedoes at 3 km, and fully submerged submarines at 2 km. Her Fighter launches a pair of aircraft which will circle around the ship for 60 seconds, providing emotional support to the player. Occasionally, they will intercept an attack and shoot down two attacking aircraft.

Survivability

Even for a Tier V cruiser, Omaha has a reputation for easily exploding. Her citadel is a large and tempting target as it rises a considerable distance above the waterline. Shells aimed between her funnels are likely to hit the citadel, which is protected by a rather thin 76 mm of armor. A broadside Omaha is likely to attract a lot of incoming fire.

Most of her plating is 13 mm thick, which means anything larger than light cruiser guns can overmatch her armor. Omaha can receive citadel hits from almost any angle. Her plating will also be penetrated by all HE shells.

Her health pool is good for a Tier V cruiser, but her weak armor and large citadel considerably reduce the benefits of this. Under sustained fire, Omaha is likely to melt away — or explode – leading to a rapid return to port. With no way to recover lost health or easily disengage from combat, any mistakes can be costly.

Armament

Where Omaha shines is her main battery DPM. She has a large main battery, coupled with one of the fastest reloads at her tier. Omaha can bring up to eight guns to bear on a single target, overwhelming it with a rain of shells. Her 15.2 km range is fairly good for her tier and allows players to maintain some distance from their intended targets. Like most light cruisers, her shells will tend to float as ranges increase which makes targeting maneuvering ships difficult. However, it does allow her to take advantage of island cover to safely engage targets.

Omaha can be a good fire starter, able to set up to 12 fires per minute in ideal circumstances. 25 mm of HE penetration means that her shells will penetrate the decks or superstructures of most ships, even when downtiered. Her AP is somewhat disappointing; past 10 km, Omaha can struggle to penetrate broadside cruisers.

Omaha mounts a pair of triple torpedo launchers on each side, positioned near the stern. Her torpedoes lack the reach or speed to be used safely. Their 5.5 km range means approaching a target to use these weapons will likely result in receiving catastrophic damage in return. These should be thought of as weapons of last resort; if an Omaha is in position to use her torpedoes then at least one player has made a mistake in their positioning.

Anti-Aircraft

Omaha’s stock AA is woeful, with a short range of 2.4 km that will not deter any attacks. Her upgraded hull gives her much improved AA defenses, with a medium range aura reaching out to 3.5 km and her short range guns will roughly double their DPS. They won’t stop a determined attack, but players can hope to bring down some aircraft. Her fighter is also there, and it might do something on occasion.

Anti-Submarine

Omaha carries an ASW airstrike with a 5 km range, potentially allowing her to engage submarines with a degree of safety. The airstrike has a 20 second reload between attacks, limiting the amount of damage that players can cause to a submarine. Her Hydroacoustic Search can aid in submarine hunting, but the short range means that players will need to know where to start hunting.

Battle Performance

Omaha is somewhat of a glass cannon — although she can put a lot of shells downrange, her large citadel and thin armor leaves her vulnerable to return fire. The temptation to use her DPM can lead inexperienced players to overextend or show too much broadside. Turning at the wrong moment can result in an early return to port. This is particularly true when Omaha is downtiered and her enemies become more accurate.

Players should utilize island cover whenever possible to shield themselves from return fire. If nearby cover is not available, players should use their range to engage distracted targets. In open water combat, Omaha should make frequent course changes to present a more difficult target. With practice, it is possible to use throttle and rudder changes to avoid long range salvos aimed at her.

HE shells will be the usual ammunition of choice. Omaha can pose a serious annoyance to battleships, as her rate of fire can tax Damage Control Parties and set multiple fires. Despite its lower penetration, at short ranges her AP can punch through cruiser armor and swing a fight in her favor.

Pros:

High main battery DPM
Good fire starting potential
Able to bring multiple guns to bear in any direction
Decent maneuverability
Battles are often short

Cons:

Large, exposed citadel
Relatively weak AP shells
Short range torpedoes
Short AA range
Battle are often short

Research

Early experience gains are best invested in Hull (B) — providing significant upgrade to Omaha’s firepower — followed quickly by the improved 152mm guns. Finally, boost her firing range next by picking up the Fire Control System upgrade.

Optimal Configuration

Upgrades

Slot 1: [[Ship:Upgrades#Main_Armaments_Modification.C2.A01|]] keeps the guns active and firing.
Slot 2: [[Ship:Upgrades#Engine_Room_Protection|]] keeps the engines and steering working.
Slot 3: [[Ship:Upgrades#Aiming_Systems_Modification.C2.A01|]] improves accuracy and generates more main battery hits.

Commander Skills

Recommended Commander Skills
Cost (points)	Attack				Defense
1	Grease the Gears +15% main battery traverse speed.	Swift Fish +5% torpedo speed.	' −7.5% cooldown time of all Consumables except: Damage Control Party  Repair Party .	Gun Feeder -40% time to switch shell type. ★	Incoming Fire Alert Receive a warning of a salvo fired at your ship from more than 4.5km. ★★	Last Stand The ship remains able to move and maneuver - slowly - while the engine or steering gears are incapacitated. ★★★
2	Demolition Expert +1% chance of main and secondary HE shells causing a fire. +15% to the fragmentation damage area of HE ordnance fired at submarines. ★★	Fill the Tubes -10% torpedo tubes reload time.	Consumables Enhancements +10% action time of Hydroacoustic Search, Surveillance Radar, Smoke Generator, & Engine Boost. ★★	Eye in the Sky Spotting Aircraft: • +2 charges • -50% cooldown time.	Priority Target The detection indicator will show the number of enemies targeting you with main battery. ★★★	Focus Fire Training In an active priority AA sector: • +1.5% (to 5%) immediate damage. • +25% continuous damage. • +1 flak burst per salvo. −10% aircraft preparation time. −15% reload time of Airstrike armament..
3	Heavy HE and SAP Shells +10% HE and SAP shell damage. +15% ship detectability guns 149mm and up.	Pack a Punch +15% torpedo damage. +20% secondary battery range..	Adrenaline Rush -0.2% reload time of all armaments per 1% HP lost +0.2% AA continuous damage per 1% HP lost. ★★	Heavy AP Shells +5% damage for AP shells 190mm and larger.	Superintendent +1 charge to all consumables. ★	Survivability Expert +450 HP per ship tier. ★★★
4	Top Grade Gunner -10% reload time of secondary batteries If enemy ship is spotted within detectability range, -8% reload time of main battery.	Outnumbered If there are fewer allies than visible enemies within the ship's base main caliber firing range: +8% ship speed -10% main battery dispersion.	Radio Location Shows the direction to the nearest enemy ship. The enemy is alerted that a bearing has been taken..	Inertial Fuse for HE Shells +25% armor penetration of HE shells Base fire chance reduced by half. ★★	Concealment Expert -10% detectability range of the ship. ★★★	AAA & ASW Expert +25% continuous AA and flak damage. +15% damage inflicted by depth charges. While AAA is active: −50% ship consumables reload time..
Key: ★★★ - Extremely Useful ★★ - Frequently Useful ★ - Occasionally Useful No stars - Not Useful

Consumables

Omaha equips the following

Slot 1: Damage Control Party 
Slot 2: Hydroacoustic Search 
Slot 3: Catapult Fighter

Signals

Recommended Signal Flags
Combat
Charlie Kilo +5% ship HP; +2.5% squadron HP.	Juliet Yankee Bissotwo -20% to flooding duration.	India Yankee -20% to fire duration.	Hotel Yankee -20% to damage received when ramming the enemy. +50% to damage dealt when ramming the enemy.	Victor Lima +1% chance for HE bombs and shells with a caliber above 160mm causing a fire. +0.5% chance for bombs and smaller shells causing a fire. +4% chance of torpedoes causing flooding. ★★★	India X-Ray +1% chance for HE bombs and shells with a caliber above 160mm causing a fire. +0.5% chance for bombs and smaller shells causing a fire. ★★★
Juliet Whiskey Unaone +15% chance of causing flooding.	Mike Yankee Soxisix +5% to secondary battery maximum firing range. -5% to maximum dispersion of secondary battery shells. -5% to secondary battery loading time.	November Echo Setteseven +5% continuous AA damage at all ranges. +5% damage from flak bursts. ★	Sierra Mike +5% to the ship's maximum speed. ★	November Foxtrot -5% reload time on all consumables. ★	India Delta +20% to the amount of HP recovered when Repair Party  is used.
X-Ray Papa Unaone +10% action time of a Smoke Generator .	Sierra Bravo +10% action time of Hydroacoustic Search  -10% reload time of Defensive AA Fire .

Gallery

Hull A
Hull B(best)
Hull C(removed from game)

Historical Info

References

Ship Change Log

See here for links to Update notes.

Added to the game in Update 0.1.6.
Update 0.2.2.5:
- The AA defense was replaced on the top hull: instead of 350 Mk22, 1Mk2 were installed.
Update 0.3.:
- Hull C was added.
Update 0.4.0.4:
- The Hydroacoustic Search consumable was added to the stock hull.
Update 0.5.0:
- Base firing range increased from 11,500 to 13,465 m.
- Viewing distance increased from 18,390 to 21,080 m.
- The Experience and Credit earnings were reduced by a value in the range of 5-10%.
Update 0.5.1:
- The number of charges of the "Catapult Fighter I" consumable was reduced to 2 ("Catapult Fighter II" to 3).
Update 0.5.2:
- Fixed a bug with the torpedo view of the camera.
- Experience earnings increased by 5%.
- Credit earnings increased by 7%.
Update 0.5.6:
- Decorative air defense installations on the main battery turrets were removed from Hull B, the game characteristics of the ship did not change.
Update 0.5.8:
- The armor model of the hull was refined.
Update 0.5.9:
- The thickness of the casemate closest to the bow was increased from 6 to 10 mm.
Update 0.6.3:
- Base firing range increased to 13,830 m.
Update 0.6.12:
- Detectability when firing main guns in smoke changed to 6.87 km.
Update 0.6.13:
- Fire extinguishing time now 30 s instead of 60 s.
- Improved display of thin elements.
- Hull A: Forward compartment HP reduced by 200, service space HP above casemate increased by 100 HP, aft compartment HP reduced by 100 HP, superstructure HP increased by 100 HP
- Hull B: Forward compartment HP reduced by 200, service space HP above casemate increased by 100 HP, aft compartment HP reduced by 100 HP, superstructure HP increased by 100 HP
- Hull C: Forward compartment HP reduced by 200, aft compartment HP reduced by 200 HP, superstructure HP increased by 500 HP
- The survivability of air defense weapons was tested and brought to a single standard. The change affects 76.2 mm and 40 mm guns.
Update 0.7.10:
- The range of the Hydroacoustic Search consumable was unified - 4 km for detecting ships, 3 km for detecting torpedoes.
Update 0.8.8:
- Updated silhouette of the ship.
Update 0.9.2:
- HE shell penetration increased from 24 to 25 mm.
- Central armor reinforced from 13 to 16 mm.
Update 0.10.3:
- Hulls A and C were removed. Hull B was renamed to Hull A. A new researchable Hull B was created on the basis of the old Hull B with a different air defense composition.
Update 0.10.11:
- Added the Snow and Stars permanent camouflage.
Update 0.11.4:
- Fixed an issue with a missing horn sound when using the Snow and Stars permanent camouflage.
Update 0.11.9:
- Minor fixes to geometry and textures of the ship.

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