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Celtic is a Tier VII British cruiser built around the super-heal: each Repair Party charge returns dramatically more HP than a standard heal, so her durability comes from sustain rather than armor. Surveillance Radar (9.9 km, 25 s active, every 180 s) is the cap-control consumable on top, so she sets fights as well as winning them. AA (540 AA DPS at 5 km, +100% Defensive AA flak burst) is heavy enough to make her the team's air-defense anchor on top of the lead role; CV strikes route around her, not through. Standout traits: best AP always-pen window in T7 CAs (60°).
Hold 12-15 km from a contested cap with an island close enough to break sightline when focus shifts. Push the radar forward only once the destroyer fight is yours; burning the drop to fish for a lone DD kill leaves the next push with no answer to smoke or vision.
The consumable's value is locking down a cap your team can take, not stealing a single salvo on a lone DD. Burn it early to fish for a kill and the next push has no answer to smoke or vision.
9.9 km range, 25 s duration. Detects all enemy ships within a fixed radius regardless of line-of-sight. Controls caps and punishes smoke-firing DDs.
Repair Party heals 2.0%/s, best of T7 CAs. Restores more HP per active second than peers.
Radar consumable. Controls caps and reveals smoke-firing DDs without spotting risk.
Celtic is a Premium ship and not available to unlock in the Tech Tree. Acquisition path: Premium/Event.
Pair with a commander whose unique skill complements her main armament; check the build tool for current recommendations.
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Where Celtic sits among Tier VII CAs (55 ships). Notable standouts are shown first; the rest of the cohort-ranked stats are in the expand below. Acquisition variants (Black Friday, Founders Edition) are counted once with their base ship, not as separate peers.
Not standouts for Celtic -- here's where she sits on every other ranked stat in the cohort. Stats tagged NORM are tied across more than half the cohort, so the value is the cohort default rather than a standout.
Damage Control Party∞ charges · 60 s reload · 5 s active
Sonar2 charges · 180 s reload · 94 s active · 4.2 km ship detect 
Defensive AA Fire3 charges · 140 s reload · 25 s active · +100% flak burst boost
Surveillance Radar2 charges · 180 s reload · 25 s active · 9.9 km radar range 
Catapult Fighter4 charges · 80 s reload · 90 s active · 5 km patrol radius 
Repair Party2 charges · 60 s reload · 20 s active · 14,680 HP (40% of max HP) total heal (per charge) All values are ship base stats with modifications and upgrade changes denoted inline.
Numbers the spec table cannot show directly: alpha-strike math, DPM, dispersion, AP penetration. Click the formula chip on any row to reveal how it is calculated.
Horizontal dispersion ellipse width at max range, from the verified WoWS dispersion model: $\sigma_H = \left(\dfrac{R}{30}\cdot\dfrac{\text{idealRadius}-\text{minRadius}}{\text{idealDistance}} + \text{minRadius}\right)\cdot 30$ $= \left(\dfrac{15470}{30}\cdot\dfrac{8-1.1}{1000} + 1.1\right)\cdot 30 = 139.7\,\text{m}$How wide your shells scatter at 10 km, from the same dispersion model as the max-range figure above. Picking a fixed range makes this number directly comparable from ship to ship: max-range dispersion makes a longer-range gun look worse even when it's tighter at any common range. The interactive Dispersion tab on the Charts card plots the full curve from 0 to max range.Vertical dispersion ellipse height at max range: $\sigma_V = \sigma_H \cdot \text{radiusOnMax}$ $= 139.7 \cdot 0.6 = 83.8\,\text{m}$How tall the same scatter ellipse is at 10 km. Comparable from ship to ship for the same reason as the width value above.50%-hit horizontal radius: $\sigma_{H,50} = \sigma_H \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 139.7 \cdot 0.32\;(\sigma = 2) = 44.7\,\text{m}$50%-hit vertical radius: $\sigma_{V,50} = \sigma_V \cdot \text{GetHalfHitsRatio}(\sigma)$ $= 83.8 \cdot 0.32\;(\sigma = 2) = 26.8\,\text{m}$Canonical community AP formula (jcw780/wows_shell), evaluated at muzzle velocity: $P = 10^{-7}\cdot K \cdot m^{0.69} \cdot d^{-1.07} \cdot v_0^{1.38}$ $= 10^{-7}\cdot 2846 \cdot 118^{0.69} \cdot 0.203^{-1.07} \cdot 853^{1.38} = 467.2\,\text{mm}$. Matches the in-game spec card.Same formula at the ship's max firing range (19.3 km), where the shell has slowed to 360 m/s: $P = 10^{-7}\cdot 2846 \cdot 118^{0.69} \cdot 0.203^{-1.07} \cdot 360^{1.38} = 142.1\,\text{mm}$.34 mm ≈ 203 mm caliber / 6 (standard HE penetration ratio).floor(203 mm caliber / 14.3) = 14 mm (AP auto-penetrates plating this thick or less).AP shell over-penetration splash radius; scales with shell mass. Wickes 102mm = 3, standard 152mm CL ~ 20, Iowa 406mm ~ 270, Yamato 460mm = 400, Incomparable 650mm = 550 (max). Larger value = bigger splash damage area when AP over-pens.All 9 barrels bear on the broadside.180 degrees / 6 deg/s traverse speed = 30 s.2,700 HE damage x 9 broadside guns = 24,300.4,500 AP damage x 9 broadside guns = 40,500.24,300 HE full-salvo alpha x 60 / 10 s base reload = 145,800.40,500 AP full-salvo alpha x 60 / 10 s base reload = 243,000.24,300 HE full-salvo alpha x 60 / 9 s installed reload (Main Battery Mod. 3 = -10%) = 162,000.40,500 AP full-salvo alpha x 60 / 9 s installed reload (Main Battery Mod. 3 = -10%) = 270,000.9 broadside guns x 60 / 10 s base reload = 54.9 broadside guns x 60 / 9 s installed Artillery reload = 60.54 shells/min x 10% fire chance = 5.4.60 shells/min x 10% fire chance = 6.Sum across every AA aura on this ship of (aura.continuous_damage x 3.5 x aura.hit_probability). Here: (94×3.5×0.9) + (49×3.5×0.85) + (31×3.5×0.9) = 540. Covers AA-only mounts plus dual-purpose secondaries (Bismarck 105mm, USN 5"/38 cruiser secondaries) and dual-purpose main batteries (Sumner-class 5"/38, Akizuki-line 100mm). Formula validated against in-game captures on California, Sumner, Manfred von Richthofen, Dante Alighieri (exact) and within +/-17% on the remaining verified ships.Longest-reaching aura across AA-only + dual-purpose auras.SUM over AA auras of (aura DPS x aura range km). A plane crossing the AA bubble is exposed to each aura for a time proportional to that aura's range, so long-reach DPS is worth more than the same DPS in a short bubble. Units: DPS*km; used to rank overall AA threat across the cohort.Max dispersion = range (km) × 57 + 30. Each dispersion type sets its own slope; this is not a percentage applied to a standard baseline.5 km × 57 + 30 = 315 m.Sum across all secondary families of (per-side barrels × 60 / reload_s × alpha), where per-side barrels = mounts × barrels-per-mount / 2 (the guns that bear on one broadside target). Per-family: 6×2 127 mm (6/side) × 60/6 × 1800 = 108,000. Assumes every shell hits (real hit rate is lower; the Brawl matchup tool on the Compare page folds in dispersion + target armor).Maximum HE damage per shell across secondary HE families. Best on this ship: 1800 from the 127 mm family.Maximum per-shell fire chance across secondary HE families (before target fire resistance is applied). Best on this ship: 5% from the 127 mm family.Maximum HE armor penetration across secondary HE families (caliber × 1/6 for most nations; 1/4 for German/UK BBs). Shells whose pen falls under a plate's armor thickness shatter for 0 hull damage though fire chance still applies. Best on this ship: 21 mm from the 127 mm family.Every custom exterior Celtic can equip, from in-game data.
Filtered to official World of Warships: Legends pages where this ship is a focus, reward, line member, or high-context variant mention.