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Partials/Opening ASW

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Revision as of 08:09, 19 May 2019 by Botkaze (talk | contribs) (Adjust wording slightly)
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The opening anti-submarine attack (OASW) can be performed by any ship with displayed ASW value of 100 or greater (ship's ASW stat + any equipment ASW stats, not counting equipment improvements) and at least one sonar.

  • Isuzu Kai NiIsuzu Kai Ni, Tatsuta Kai NiTatsuta Kai Ni, Jervis KaiJervis Kai, Samuel B. Roberts KaiSamuel B. Roberts Kai, and JohnstonJohnston can always perform OASW, even with less than 100 displayed ASW or without any ASW equipment.
  • TaiyouTaiyou, ShinyouShinyou, Gambier BayGambier Bay, and Zuihou Kai Ni BZuihou Kai Ni B can perform OASW with 1+ planes with 7 ASW stat equipped and a total displayed ASW of 65 or greater. For TaiyouTaiyou and ShinyouShinyou Kai and Kai ni the bombers are not required, 65 displayed ASW is sufficient (however, if she is not using a torpedo or dive bomber with ASW stat, she will be able to perform OASW attack but will be unable to perform ASW attacks in the shelling phase). OASW attacks will be performed even if she is at medium damage or all her planes were shot down.
  • Coastal Defense Ships can perform OASW with displayed ASW of 60 or greater. With displayed ASW of 75 or greater and equipment ASW of 4 or greater they can perform OASW without a sonar equipped.
  • Hyuuga Kai NiHyuuga Kai Ni can perform OASW even with less than 100 displayed ASW if she is equipped with at least 2 autogryosKa Type Observation Autogyro
    O Type Observation Autogyro Kai
    O Type Observation Autogyro Kai Ni
    OR at least 1 helicopterS-51J
    S-51J Kai
    .
  • If several ships fulfill the requirements, then they all can perform preemptive attacks, each attacking a random submarine in the enemy fleet. The firing order is determined by the range order, similar to the First Shelling Phase. The order for ships of the same range is random.
  • The damage follows the usual ASW formula and is affected by the usual modifiers (formation, engagement, health, ammo), as well as equipment improvements.The following tables show how much base ASW is needed (in form of required ship level) to enable OASW with a given equipment setup (T4: Type 4 Passive Sonar, T3: Type 3 Active Sonar, DC: Type 3 Depth Charge Projector).

Enemy Ships with OASW

Destroyer

Light Carrier

DD
Ship 3 Slots 2 Slots 1 Slot
T4/T4/T4
36 + 64
T4/T4/T3
34 + 66
T4/T4/DC
32 + 68
T4/T3/DC
30 + 70
T3/T3/DC
28 + 72
T4/T4
24 + 76
T4/T3
22 + 78
T4/DC
20 + 80
T3/DC
18 + 82
T4
12 + 88
T3
10 + 90
Asashio K2DAsashio Kai Ni D 85 97 102
Libeccio KaiLibeccio Kai
Maestrale KaiMaestrale Kai
60 65 70 75 80 90 95 99 104 119 124
Satsuki K2Satsuki Kai Ni 75 78 82 90 94 98 101 113 117
Fumizuki K2Fumizuki Kai Ni 77 78 82 90 94 98 101 113 117
Asashimo KaiAsashimo Kai 66 70 75 79 84 93 97 102 106 120 124
Shigure K2Shigure Kai Ni 74 78 82 87 91 99 104 108 112 125 130
Ushio K2Ushio Kai Ni 74 79 83 88 93 102 106 111 116 129 134
ВерныйВерный 77 81 86 90 95 104 108 113 117 131 135
Akizuki KaiAkizuki Kai
Teruzuki KaiTeruzuki Kai
Hatsuzuki KaiHatsuzuki Kai
81 85 90 95 99 109 114 118 123 137 142
Harukaze KaiHarukaze Kai 84 88 92 96 99 107 111 115 119 131 135
Matsukaze KaiMatsukaze Kai 88 92 96 99 103 111 115 119 123 135 139
Kamikaze KaiKamikaze Kai 87 91 95 99 104 112 117 121 125 138 143
Yuudachi K2Yuudachi Kai Ni
Murakumo K2Murakumo Kai Ni
Hatsushimo K2Hatsushimo Kai Ni
Mutsuki K2Mutsuki Kai Ni
87 92 97 102 107 116 121 126 131 145 150
Hatsuharu K2Hatsuharu Kai Ni 87 92 97 102 107 117 122 127 132 148 153
Kisaragi K2Kisaragi Kai Ni 88 92 97 102 107 116 121 125 130 144 149
Fubuki K2Fubuki Kai Ni 90 95 99 104 109 118 123 128 132 147 151
Kasumi K2Kasumi Kai Ni
Kasumi Kai Ni B
90 95 99 104 109 119 124 129 134 149 154
Asakaze KaiAsakaze Kai 92 96 99 103 107 115 119 123 127 139 143
Akatsuki K2Akatsuki Kai Ni 94 99 105 110 115 126 131 136 141 157 162
Ooshio K2Ooshio Kai Ni 99 105 110 115 120 131 136 141 146 162 N/A
Ayanami K2Ayanami Kai Ni
Kawakaze K2Kawakaze Kai Ni
102 107 113 118 123 133 139 144 149 165 N/A
Arashio K2Arashio Kai Ni 114 120 126 132 138 150 156 162 N/A N/A N/A
Shimakaze KaiShimakaze Kai
Yukikaze KaiYukikaze Kai
115 121 127 134 140 152 158 164 N/A N/A N/A
CL/CLT
Ship 3 Slots 2 Slots 1 Slot
T4/T4/T4
36 + 64
T4/T4/T3
34 + 66
T4/T4/DC
32 + 68
T4/T3/DC
30 + 70
T3/T3/DC
28 + 72
T4/T4
24 + 76
T4/T3
22 + 78
T4/DC
20 + 80
T3/DC
18 + 82
T4
12 + 88
T3
10 + 90
Naka K2Naka Kai Ni 48 49 54 59 65 75 81 86 91 108 113
Kinu Kai/Kai NiKinu Kai
Kinu Kai Ni
52 58 64 71 75 80 86 91 108 113
Yura Kai/Kai NiYura Kai
Yura Kai Ni
52 58 64 71 77 79 85 91 97 114 120
Tama Kai NiTama Kai Ni 70 72 84 87 92 97 112 118
Abukuma Kai/Kai NiAbukuma Kai
Abukuma Kai Ni
52 58 64 71 75 82 88 94 99 117 123
Sakawa KaiSakawa Kai 63 66 70 74 77 85 88 92 96 107 110
Kiso K2Kiso Kai Ni 65 68 72 76 80 88 92 96 99 111 115
Agano KaiAgano Kai
Noshiro KaiNoshiro Kai
Yahagi KaiYahagi Kai
68 71 75 78 82 89 92 96 99 110 114
Jintsuu K2Jintsuu Kai Ni 60 65 70 75 80 90 95 99 104 119 124
Kitakami K2Kitakami Kai Ni
Ooi K2Ooi Kai Ni
71 75 79 82 86 94 98 101 105 117 120
Kuma KaiKuma Kai
Tama KaiTama Kai
Natori KaiNatori Kai
72 76 80 83 87 94 98 101 105 116 119
Sendai K2Sendai Kai Ni 72 77 83 88 94 105 110 116 121 138 143
Tenryuu Kai NiTenryuu Kai Ni 87 91 95 99 105 113 118 122 126 139 144
4 Slots CL/CT/DD
Ship 4 Slots
T4/T4/T4/T4
48 + 52
T4/T4/T4/T3
46 + 54
T4/T4/T4/DC
44 + 56
T4/T4/T3/DC
42 + 58
T4/T3/T3/DC
40 + 60
T3/T3/T3/DC
38 + 62
Tashkent KaiTashkent Kai 50 50 50 54 60 66
Yuubari KaiYuubari Kai
Kashima KaiKashima Kai
62 66 71 75 80 84
Katori KaiKatori Kai 75 80 85 90 95 99
Ooyodo KaiOoyodo Kai 132 138 143 148 153 158
Ship 3 Slots
T4/T4/T4
36 + 64
T4/T4/T3
34 + 66
T4/T4/DC
32 + 68
T4/T3/DC
30 + 70
T3/T3/DC
28 + 72
Tashkent KaiTashkent Kai 72 78 84 90 96
Yuubari KaiYuubari Kai
Kashima KaiKashima Kai
88 93 97 102 106
Katori KaiKatori Kai 104 109 114 119 124
Ooyodo KaiOoyodo Kai 163 N/A N/A N/A N/A
Ship 2 Slots 1 Slot
T4/T4
24 + 76
T4/T3
22 + 78
T4/DC
20 + 80
T3/DC
18 + 82
T4
12 + 88
T3
10 + 90
Tashkent KaiTashkent Kai 108 114 120 126 144 150
Yuubari KaiYuubari Kai
Kashima KaiKashima Kai
115 119 124 129 141 146
Katori KaiKatori Kai 134 139 144 149 164 N/A
Ooyodo KaiOoyodo Kai N/A N/A N/A N/A N/A N/A

See Also