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Difference between revisions of "Line of Sight"

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'''Line of Sight''' (LoS) is a stat that will indirectly affect several mechanics, being:
−
Currently, there are three known purposes for Line of Sight (LoS):
+
* [[#Effective Line of Sight|Effective Line of Sight]] for map [[routing]],
−
* Increasing success rate in the detection phase, which allows participation in aerial combat.
+
* [[#Detection|Detection]] success rate,
−
* A higher '''Fleet total LoS''' (FLoS) [http://kancolle.wikia.com/wiki/Artillery_Spotting#The_Trigger_Chance_of_Artillery_Spotting:_.28Beta_ver..29 positively correlates] with the trigger chance of [http://kancolle.wikia.com/wiki/Combat#Combat_Equipment_Setups artillery spotting] for a ship's double/cut-in attack in day battle. Fleet total LoS is simply the summation of all LoS stats from your ships, including bonus from the equipment.
+
* [[#Contact|Contact]] trigger rate, for airstrike damage,
−
* '''Effective LoS '''(ELoS), which allows the fleet to reach a specific node (usually a pre-boss or boss node) instead of being diverted to a dead end. Effective LoS is employed in special maps, such as [[Events|event maps]] and extra operations maps ([http://kancolle.wikia.com/wiki/World_2:_%E5%8D%97%E8%A5%BF%E8%AB%B8%E5%B3%B6%E6%B5%B7%E5%9F%9F#Stage_Guide_2 2-5], [http://kancolle.wikia.com/wiki/World_3:_%E5%8C%97%E6%96%B9%E6%B5%B7%E5%9F%9F#World_3-5_.E3.80.90Extra_Operation.E3.80.91_.E5.8C.97.E6.96.B9AL.E6.B5.B7.E5.9F.9F_Aleutian_Islands_Campaign 3-5]).
+
* [[#LBAS LoS|Reconnaissance Defense Bonus]] for LBAS Defense Fighter-Power,
−
* There are special formula being used to calculate ELoS. As a general consensus, LoS bonus from equipment (esp. recon planes) are more important than individual ship's LoS stats.
+
* [[#Artillery Spotting|Artillery Spotting]] trigger rate.
  
−
== Effective Line of Sight (old formula) ==
+
For details on the LoS {{LOS}} stat growth please see ''[[Stats#Stat Growth|Stats]]''.
−
* Effective LoS = Recon LoS×2 ＋ Radar LoS ＋ √(Fleet total LoS - Recon LoS - Radar LoS). This is the formula used since Spring 2014 event; in 2-5, 3-5 boss node, and any node with the seaplane-searching animation.
 
−
* '''Due to the formula, recon planes will contribute more to effective LoS than radars. For the purposes of fulfilling effective LoS, avoid using radars that do not give at least +10 LoS. '''
 
−
* You can make an exception to the above if your ships require other equipment for more damage, in which case you can make a DD/[[Yuubari]] a radar 'mule' to contribute to LoS by stacking radars.
 
−
* <s>ONLY Recon planes' (yellow & seaplanes) LoS values are doubled. LoS from carrier-based bomber planes (red & blue) are not doubled, but in fact square rooted. Avoid doubling dive bomber and torpedo bomber LoS values when calculating LoS.</s> [It is currently uncertain whether LOS from bombers contribute to Recon LOS (x2) or Fleet LOS (sqrt). Testing required.]
 
−
* ''You know you fulfilled the LoS requirement if you see a short animation with a seaplane flying to the node and back to your ship icon, plus the flagship's image appearing on-screen. Otherwise, you will be diverted off-course to a dead end without the animation playing.''
 
  
−
5:06-5:11 of this video here shows what the animation looks like: http://www.youtube.com/watch?v=J-x1tNuCeSE
+
=Effective Line of Sight=
−
* You can have a high''' total '''LoS and still fail the '''''effective LoS''''' requirement. '''<u>Do not use the total LoS as a guide.</u>'''
+
"'''Effective Line of Sight'''" (ELoS, also called "Fleet LoS") is the Line of Sight (LoS) that affect certain maps' [[routing]]. Certain branching requirements in sorties are affected by the LoS of the entire fleet, this total LoS following unintuitive behaviors.
 +
*As a general rule: '''equipment LoS is more impactful than ship LoS''' when determining ELoS.
  
−
* If you have trouble reaching LoS requirements, take a look at the sortie page (for 2-5, 3-5) or other players' reports (for event maps) and adjust your equipment accordingly
+
==Formula 33==
−
=== (Events) Variations in effective LoS between players ===
+
The Formula 33, sometimes referred to as F33, is the most accurate "Fleet LoS" calculation formula known. It is described as follows<ref>http://ja.kancolle.wikia.com/wiki/%E3%83%9E%E3%83%83%E3%83%97%E7%B4%A2%E6%95%B5</ref>:
−
During the Summer 2014 event, there were many player reports where players of similar HQ levels have differing effective LoS requirements, leading to confusion among many players. This hinted to a ''possibility'' that effective LoS scales to level. Do not be surprised if you level up or reach the next HQ bracket (e.g. HQ lvl 60-99, 100+) and fail to reach boss node when you did reach the node the previous sortie.
+
{{Formula
 +
|Title=LoS Formula 33
 +
|Math= \text{LoS}_\text{Fleet} = \sum_{\text{All Ships} } \sqrt{LoS_\text{Ship} } + C_{n} \times \sum_{\text{All Equipment} } C_{e} \times ( \text{LoS}_{e} + C_{\star} \times \sqrt{\bigstar} ) - \lceil Q \times Lv_\text{HQ} \rceil + 2M
 +
|Var=<math>\text{LoS}_\text{Ship}</math> the ship's base LoS {{LOS}}.
 +
**Total LoS {{LOS}} of [[Visible Fit Bonuses]] should be added to this part, unlike equipment improvement bonuses.
 +
*<math>C_{n}</math> the Node factor, it represents the weighting of the formula that is '''known to vary''' across different maps and nodes (''see [[#Estimated LoS|below]]''),
 +
*<math>C_{e}</math> the equipment multiplier (''see [[#Equipment Types|below]]''),
 +
*<math>LoS_{e}</math> the equipment's base LoS {{LOS}}, excluding visible fit bonus,
 +
*<math>C_{\star}</math> is the [[improvement]] modifier of the equipment (''see [[#Equipment Types|below]]''),
 +
*<math>\bigstar</math> the equipment's [[improvement]] {{Star}} level,
 +
*<math>Q</math> the HQ level modifier, varying depending on the map:
 +
** '''0.35''' on [[5-2]] and [[6-3]].
 +
** '''0.4''' otherwise.
 +
*<math>Lv_\text{HQ}</math> the [[HQ]] level.
  
−
== Effective Line of Sight (new formula) ==
+
*<math>M</math> the number of empty ship slots in the fleet:
−
With the advent of the 2014 Fall Event a new formula for Effective LoS has been devised to account for inconsistencies of the old formula. ([http://wikiwiki.jp/kancolle/?%C6%EE%C0%BE%BD%F4%C5%E7%B3%A4%B0%E8#area5 Source 1]) ([http://ch.nicovideo.jp/biikame/blomaga/ar663428 Source 2])
+
**'''0''' for 6 ships fleet,
−
* Effective LoS = Dive Bomber LoS x (1.04) + Torpedo Bomber LoS x (1.37) + Carrier-based Recon Plane LoS x (1.66) + Recon Seaplane LoS x (2.00) + Seaplane Bomber LoS x (1.78) + Small Radar LoS x (1.00) + Large Radar LoS x (0.99) + Searchlight LoS x (0.91) + √(base LoS of each ship) x (1.69) + (HQ Lv. rounded up to the next multiple of 5) x (-0.61)
+
**'''+1''' increase per missing ship,
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* √(base LoS of each ship) x (1.69) = Calculate the square root of each ship's LoS (base value without any equipment) separately, then add the values together and multiply by 1.69
+
***This value can increase mid-sortie if a ship is ''sunk'' or ''[[Evacuation|evacuated]]''.
−
* Regarding the HQ Level: For example, if your HQ Lv. is 101~105, use 105. If it's 106~110, use 110. And so on.
+
**'''-1''' for a full [[Striking Force Fleet]] (7 ships).
−
Excel file that calculates the fleet's LOS for you: http://1drv.ms/1IlzXGX (courtesy of [[User:Kouma231|Kouma231]])[[Category:Game Mechanics]]
+
|Notes=Equipment LoS weight more than ship LoS.
 +
}}
 +
 
 +
==Equipment LoS Weighting Modifier==
 +
The node factor <math>C_{n}</math> affects the weighting of equipment LoS.
 +
* It depends on the map (''see the [[#Estimated LoS|below]]'').
 +
The equipment and improvement multiplier <math>C_{e}</math> and <math>C_{\star}</math> will affect the "real" LoS given per equipment.
 +
* It depends on the equipment type (''see the [[#Equipment Types|below]]'').
 +
 
 +
Because of those factors:
 +
*Some equipment are more efficient to provide LoS,
 +
*Ship LoS is less relevant, notably in maps with higher node factors.
 +
 
 +
===Equipment Types===
 +
{|class="wikitable" style="text-align:center"
 +
!colspan=2|Equipment type
 +
!width=50px|<math>C_{e}</math>
 +
!width=50px|<math>C_{\star}</math>
 +
|-
 +
!{{SPR}}!![[Seaplane Recon]]s
 +
|1.2
 +
|1.2
 +
|-
 +
!{{SPB}}!![[Seaplane Bomber]]s
 +
|1.1
 +
|1.1
 +
|-
 +
!{{Carrier Recon}}!![[Carrier Recon]]s
 +
|1
 +
|1.2
 +
|-
 +
!{{Torpedo Bomber}}!![[Torpedo Bomber]]s
 +
|0.8
 +
|0
 +
|-
 +
!{{LFB}}!![[Large Flying Boat]]s
 +
|rowspan=5|0.6
 +
|1.2
 +
|-
 +
!{{Small Radar}}!![[Small Radar]]s
 +
|1.25
 +
|-
 +
!{{Large Radar}}!![[Large Radar]]s
 +
|1.4
 +
|-
 +
!colspan=2|
 +
{|class="wikitable mw-collapsible mw-collapsed"
 +
!colspan=2|All other equipment types:
 +
|-
 +
|{{Fighter}}||[[Fighter]]s
 +
|-
 +
|{{Dive Bomber}}||[[Dive Bomber]]s
 +
|-
 +
|{{SPF}}||[[Seaplane Fighter]]s
 +
|-
 +
|{{ASWPlane}}||[[Liaison Aircraft]]
 +
|-
 +
|{{Sonar}}||[[Sonar]]s
 +
|-
 +
|{{Searchlight}}||[[Searchlights]]
 +
|-
 +
|{{SurfaceShipPersonnel}}||[[Lookout]]s
 +
|-
 +
|{{Aviation Personnel}}||[[Aviation Personnel]]
 +
|-
 +
|{{FCF}}||[[Command Facilities]]
 +
|-
 +
|{{SubmarineRadar}}||[[Submarine Equipment]]
 +
|-
 +
|{{Landing Craft}}||[[Landing Craft]]
 +
|-
 +
|{{Minisub}}||[[Midget Submarine]]s
 +
|-
 +
|{{Light Gun}}||[[Small Caliber Main Gun]]s
 +
|-
 +
|{{Med Gun}}||[[Medium Caliber Main Gun]]s
 +
|}
 +
|0
 +
|}
 +
Other equipment types are speculated to be:<ref>Default based on Vita datamine</ref>
 +
*<math>C_{e}=0.6</math>
 +
*<math>C_{\star}=0</math>
 +
 
 +
===Estimated LoS===
 +
''Data sourced from [http://kc.piro.moe/nav/#/ TsunDB]. Values are the lowest and highest reported LoS for routing. Please note that there may be some margin of error due to random routing.''
 +
 
 +
{|class="wikitable" style="text-align: center"
 +
!Map!!C<sub>n</sub>!!Origin Node!!Lower Threshold!!Upper Threshold!!Destination Node!!Fail Destination!!Notes
 +
|-
 +
![[1-6]]
 +
| 3|| M|| 29.7|| 159.6|| J||L
 +
|Not meeting composition requirements also routes to L.
 +
|-
 +
!rowspan=3| [[2-5]]
 +
|rowspan=3| 1
 +
| G|| 37.3|| 87.8|| L||K
 +
|-
 +
| I|| 31.2|| 59.4|| O|| H
 +
|-
 +
| J|| 42.4|| 91.2|| O|| H
 +
|-
 +
!rowspan=2| [[3-5]]
 +
|rowspan=2| 4
 +
| G|| 24|| 337|| K|| I
 +
|-
 +
| H|| 39.1|| 321.4|| K|| J
 +
|-
 +
!rowspan=2| [[7-2]]
 +
| ??|| E|| -32.1|| 136.5|| G||F
 +
| Appears to be fixed routing based on composition but still plays the LoS routing animation.
 +
|-
 +
| 4|| I|| 66.1|| 294.5|| M|| L
 +
|-
 +
!rowspan=3| [[7-4]]
 +
| ??|| G|| ??|| ??|| L||F
 +
|-
 +
| ??|| E|| ??|| ??|| K/P||L
 +
|Not meeting composition requirements also routes to L.
 +
|-
 +
| 4|| M|| 50?|| ??|| O||N
 +
|Not meeting composition requirements also routes to N or P.
 +
|-
 +
!rowspan=2| [[7-5]]
 +
|rowspan=2|4 || O|| 57|| ??|| M||L
 +
|-
 +
| P|| 58|| ??|| T/R||S
 +
|Composition determines the T/R route.
 +
|-
 +
!rowspan=3| [[4-5]]
 +
|rowspan=2| 2
 +
| K|| 64.8|| 146.5|| T|| L
 +
|-
 +
| Q|| 62|| 167|| N/O|| P
 +
| '''Low number of reports.'''
 +
|-
 +
| ??|| O|| 62|| 167|| T|| N
 +
| Appears to be fixed routing based on composition but still plays the LoS routing animation.
 +
|-
 +
!rowspan=2| [[5-2]]
 +
|rowspan=2| 2
 +
| F|| 64|| 147|| O|| H
 +
|-
 +
| L|| 73.8|| 81|| K|| N
 +
| '''Low number of reports.'''
 +
|-
 +
!rowspan=2| [[5-4]]
 +
|rowspan=2| 2
 +
| L|| 57|| 185|| P|| N
 +
|-
 +
| M|| 42.3|| 150.1|| P|| O
 +
|-
 +
!rowspan=2| [[5-5]]
 +
|rowspan=2| 2
 +
| O|| 63.8|| 134.5|| S|| R
 +
|-
 +
| P|| 74.4|| 167.7|| S|| Q
 +
|-
 +
!rowspan=3| [[6-1]]
 +
|rowspan=3| 4
 +
| G|| 16.7|| 218.1|| H|| I
 +
|-
 +
| H|| 25.4|| 201.4
 +
|rowspan=2| K
 +
|rowspan=2| E
 +
|With [[AS]]
 +
|-
 +
| H|| 23.3|| 218.1
 +
|Without [[AS]]
 +
|-
 +
!rowspan=3| [[6-2]]
 +
|rowspan=3| 3
 +
| E|| 46|| 179.8|| J|| I
 +
|-
 +
| H|| 42.8|| 42.8|| K|| G
 +
| '''Low number of reports.'''
 +
|-
 +
| I|| 35.7|| 205.8|| K|| G
 +
|-
 +
![[6-3]]
 +
| 3|| E|| 19.4|| 180|| G|| F
 +
| Routing is heavily influenced by composition as well.
 +
|-
 +
!rowspan=2| [[6-5]]
 +
| 3|| G|| 56.3|| 196.2|| M|| K
 +
|-
 +
| ??|| J|| 37.2|| 193|| M|| L
 +
| Appears to be fixed routing based on composition but still plays the LoS routing animation.
 +
|}
 +
 
 +
===Events===
 +
In [[events]], LoS cheks are also performed following the same rules, but will additionally vary with difficulties, higher difficulties recruiting higher LoS.
 +
 
 +
===FAQ===
 +
'''Q: Why do I keep getting offrouted?'''
 +
 
 +
'''A:''' Double check that your fleet LoS according to relevant formula meets the LoS threshold for the map. Viewers such as KanColle Command Center Kai, Poi Viewer, KCANotify, KanColle Viewer and Electronic Observer can calculate your fleet's LoS easily for you.
 +
 
 +
 
 +
'''Q: How do I increase my LoS?'''
 +
 
 +
'''A:''' Reconnaissance seaplanes are the fastest way to raise LoS. The other easy way is to stack radars. Upgrades to reconnaissance seaplanes are also a good way to increase LoS when slots are limited. It is not recommended to stack carrier-based recons or seaplane bombers because too many can compromise the combat ability of your fleet.
 +
Another way is to level your ships. Because LoS increases as you level, marrying your ships means their LoS stat can go even higher.
 +
 
 +
 
 +
'''Q: I had enough LoS, how did I get off routed?'''
 +
 
 +
'''A:''' Planes that are wiped out no longer contribute to LoS. If you were depending on bombers to hit the LoS threshold, you can fall under the threshold when encountering heavy enemy anti-air.
 +
 
 +
<references/>
 +
 
 +
=Detection=
 +
{{details|Detection}}
 +
 
 +
At the start of any [[Day Battle]], "detection" will be attempted by the fleet. Detection is required to take part in the [[Aerial Combat]] phase.
 +
 
 +
Only the Ship's LoS and the LoS from the participating planes is taken into account for the trigger rate:
 +
* {{Carrier Recon}}{{Large Recon}} [[Carrier Recon]]s,
 +
* {{SPR}}/{{Night Recon}} [[Seaplane Recon]]s,
 +
* {{SPB}}/{{Night SPB}} [[Seaplane Bomber]]s,
 +
* {{LFB}} {{Equipment/Link|Type 2 Large Flying Boat|PBY-5A Catalina|text=Large Flying Boats|link_category=Large Flying Boat}}.
 +
 
 +
=Contact=
 +
{{details|Contact}}
 +
 
 +
At the start of any [[Airstrike]] phase, "contact" may be triggered, increasing the airstrike power if triggered.
 +
 
 +
Only the LoS from the participating planes is taken into account for the trigger rate (step 1):
 +
* {{Carrier Recon}}{{Large Recon}} [[Carrier Recon]]s,
 +
* {{SPR}}/{{Night Recon}} [[Seaplane Recon]]s,
 +
* {{LFB}} {{Equipment/Link|Type 2 Large Flying Boat|PBY-5A Catalina|text=Large Flying Boats|link_category=Large Flying Boats}},
 +
 
 +
Only the LoS from the participating planes is taken into account for the plane selection (step 2):
 +
* {{Carrier Recon}}{{Large Recon}} [[Carrier Recon]]s,
 +
* {{SPR}}/{{Night Recon}} [[Seaplane Recon]]s,
 +
* {{LFB}} {{Equipment/Link|Type 2 Large Flying Boat|PBY-5A Catalina|text=Large Flying Boats|link_category=Large Flying Boats}},
 +
* {{Torpedo Bomber}}/{{Night Torpedo Bomber}} [[Torpedo Bomber]]s.
 +
 
 +
=LBAS LoS=
 +
{{details|LBAS#Defense Fighter-Power|l1=LBAS Defense Fighter-Power}}
 +
 
 +
Unlike ship mechanics, [[LBAS]] do not need/utilize the LoS stat and so this stat is mostly useless.
 +
 
 +
The only use for LoS is for "[[LBAS#Defense Fighter-Power|Defense Fighter-Power]]" in air defense mode, where it determines the "Reconnaissance Defense Bonus" (<math>\text{Mod}_\text{recon}</math>) for {{SPR}} [[Seaplane Recon]]s, {{LFB}} [[Large Flying Boat]]s, {{Carrier Recon}} [[Carrier Recon]]s, and {{LB Recon}} [[Land-based Recon]]s:
 +
 
 +
{|class="wikitable" style="text-align:center"
 +
!colspan=4|Reconnaissance Defense Bonus
 +
|-
 +
!LoS
 +
!{{SPR}}Seaplane<br>{{LFB}}Large Flying Boat
 +
!{{Carrier Recon}}Carrier-based
 +
!{{Land-Based Recon}}Land-Based
 +
|-
 +
|≥9||1.16||1.3||1.24
 +
|-
 +
|8||1.13|| -||1.18
 +
|-
 +
|≤7||1.1||1.2|| -
 +
|}
 +
 
 +
The LoS on all other aircraft or in other LBAS modes is not counted.
 +
 
 +
=Artillery Spotting=
 +
{{details|Artillery Spotting}}
 +
 
 +
Artillery Spotting attacks require the use of recons/bombers.
 +
 
 +
Only the Ship's LoS and the LoS from the participating planes is taken into account for the trigger rate:
 +
* {{SPR}}/{{Night Recon}} [[Seaplane Recon]]s,
 +
* {{SPB}}/{{Night SPB}} [[Seaplane Bomber]]s,
 +
* {{Torpedo Bomber}}/{{Night Torpedo Bomber}} [[Torpedo Bomber]]s,
 +
* {{Dive Bomber}} [[Dive Bomber]]s.
 +
 
 +
=See Also=
 +
{{Mechanics}}

Revision as of 14:20, 17 November 2024

Line of Sight (LoS) is a stat that will indirectly affect several mechanics, being:

For details on the LoS Line of Sight stat growth please see Stats.

Effective Line of Sight

"Effective Line of Sight" (ELoS, also called "Fleet LoS") is the Line of Sight (LoS) that affect certain maps' routing. Certain branching requirements in sorties are affected by the LoS of the entire fleet, this total LoS following unintuitive behaviors.

  • As a general rule: equipment LoS is more impactful than ship LoS when determining ELoS.

Formula 33

The Formula 33, sometimes referred to as F33, is the most accurate "Fleet LoS" calculation formula known. It is described as follows[1]:

LoS Formula 33
[math]\displaystyle{ \text{LoS}_\text{Fleet} = \sum_{\text{All Ships} } \sqrt{LoS_\text{Ship} } + C_{n} \times \sum_{\text{All Equipment} } C_{e} \times ( \text{LoS}_{e} + C_{\star} \times \sqrt{\bigstar} ) - \lceil Q \times Lv_\text{HQ} \rceil + 2M }[/math]
With
  • [math]\displaystyle{ \text{LoS}_\text{Ship} }[/math] the ship's base LoS Line of Sight.
    • Total LoS Line of Sight of Visible Fit Bonuses should be added to this part, unlike equipment improvement bonuses.
  • [math]\displaystyle{ C_{n} }[/math] the Node factor, it represents the weighting of the formula that is known to vary across different maps and nodes (see below),
  • [math]\displaystyle{ C_{e} }[/math] the equipment multiplier (see below),
  • [math]\displaystyle{ LoS_{e} }[/math] the equipment's base LoS Line of Sight, excluding visible fit bonus,
  • [math]\displaystyle{ C_{\star} }[/math] is the improvement modifier of the equipment (see below),
  • [math]\displaystyle{ \bigstar }[/math] the equipment's improvement Improved level,
  • [math]\displaystyle{ Q }[/math] the HQ level modifier, varying depending on the map:
    • 0.35 on 5-2 and 6-3.
    • 0.4 otherwise.
  • [math]\displaystyle{ Lv_\text{HQ} }[/math] the HQ level.
  • [math]\displaystyle{ M }[/math] the number of empty ship slots in the fleet:
    • 0 for 6 ships fleet,
    • +1 increase per missing ship,
      • This value can increase mid-sortie if a ship is sunk or evacuated.
    • -1 for a full Striking Force Fleet (7 ships).
Notes
  • Equipment LoS weight more than ship LoS.

Equipment LoS Weighting Modifier

The node factor [math]\displaystyle{ C_{n} }[/math] affects the weighting of equipment LoS.

  • It depends on the map (see the below).

The equipment and improvement multiplier [math]\displaystyle{ C_{e} }[/math] and [math]\displaystyle{ C_{\star} }[/math] will affect the "real" LoS given per equipment.

  • It depends on the equipment type (see the below).

Because of those factors:

  • Some equipment are more efficient to provide LoS,
  • Ship LoS is less relevant, notably in maps with higher node factors.

Equipment Types

Equipment type [math]\displaystyle{ C_{e} }[/math] [math]\displaystyle{ C_{\star} }[/math]
Reconnaissance SeaplaneRecon Seaplane Recons 1.2 1.2
Seaplane BomberBomber Seaplane Bombers 1.1 1.1
Reconnaissance Aircraft Carrier Recons 1 1.2
Torpedo Bomber Torpedo Bombers 0.8 0
Large Flying Boat Large Flying Boats 0.6 1.2
Small RADARSmall Small Radars 1.25
Large RADARLarge Large Radars 1.4
All other equipment types:
Fighter Fighters
Dive Bomber Dive Bombers
Seaplane Fighter Seaplane Fighters
Liaison Aircraft Liaison Aircraft
SONAR Sonars
Searchlight Searchlights
Lookout Lookouts
Aviation Personnel Aviation Personnel
Command Facility Command Facilities
Submarine Equipment Submarine Equipment
Landing Craft Landing Craft
Midget SubmarineMinisub Midget Submarines
Small Caliber Main Gun Small Caliber Main Guns
Medium Caliber Main Gun Medium Caliber Main Guns
0

Other equipment types are speculated to be:[2]

  • [math]\displaystyle{ C_{e}=0.6 }[/math]
  • [math]\displaystyle{ C_{\star}=0 }[/math]

Estimated LoS

Data sourced from TsunDB. Values are the lowest and highest reported LoS for routing. Please note that there may be some margin of error due to random routing.

Map Cn Origin Node Lower Threshold Upper Threshold Destination Node Fail Destination Notes
1-6 3 M 29.7 159.6 J L Not meeting composition requirements also routes to L.
2-5 1 G 37.3 87.8 L K
I 31.2 59.4 O H
J 42.4 91.2 O H
3-5 4 G 24 337 K I
H 39.1 321.4 K J
7-2 ?? E -32.1 136.5 G F Appears to be fixed routing based on composition but still plays the LoS routing animation.
4 I 66.1 294.5 M L
7-4 ?? G ?? ?? L F
?? E ?? ?? K/P L Not meeting composition requirements also routes to L.
4 M 50? ?? O N Not meeting composition requirements also routes to N or P.
7-5 4 O 57 ?? M L
P 58 ?? T/R S Composition determines the T/R route.
4-5 2 K 64.8 146.5 T L
Q 62 167 N/O P Low number of reports.
?? O 62 167 T N Appears to be fixed routing based on composition but still plays the LoS routing animation.
5-2 2 F 64 147 O H
L 73.8 81 K N Low number of reports.
5-4 2 L 57 185 P N
M 42.3 150.1 P O
5-5 2 O 63.8 134.5 S R
P 74.4 167.7 S Q
6-1 4 G 16.7 218.1 H I
H 25.4 201.4 K E With AS
H 23.3 218.1 Without AS
6-2 3 E 46 179.8 J I
H 42.8 42.8 K G Low number of reports.
I 35.7 205.8 K G
6-3 3 E 19.4 180 G F Routing is heavily influenced by composition as well.
6-5 3 G 56.3 196.2 M K
?? J 37.2 193 M L Appears to be fixed routing based on composition but still plays the LoS routing animation.

Events

In events, LoS cheks are also performed following the same rules, but will additionally vary with difficulties, higher difficulties recruiting higher LoS.

FAQ

Q: Why do I keep getting offrouted?

A: Double check that your fleet LoS according to relevant formula meets the LoS threshold for the map. Viewers such as KanColle Command Center Kai, Poi Viewer, KCANotify, KanColle Viewer and Electronic Observer can calculate your fleet's LoS easily for you.


Q: How do I increase my LoS?

A: Reconnaissance seaplanes are the fastest way to raise LoS. The other easy way is to stack radars. Upgrades to reconnaissance seaplanes are also a good way to increase LoS when slots are limited. It is not recommended to stack carrier-based recons or seaplane bombers because too many can compromise the combat ability of your fleet. Another way is to level your ships. Because LoS increases as you level, marrying your ships means their LoS stat can go even higher.


Q: I had enough LoS, how did I get off routed?

A: Planes that are wiped out no longer contribute to LoS. If you were depending on bombers to hit the LoS threshold, you can fall under the threshold when encountering heavy enemy anti-air.

  1. ↑ http://ja.kancolle.wikia.com/wiki/%E3%83%9E%E3%83%83%E3%83%97%E7%B4%A2%E6%95%B5
  2. ↑ Default based on Vita datamine

Detection

For more information on this topic, see Detection.

At the start of any Day Battle, "detection" will be attempted by the fleet. Detection is required to take part in the Aerial Combat phase.

Only the Ship's LoS and the LoS from the participating planes is taken into account for the trigger rate:

Contact

For more information on this topic, see Contact.

At the start of any Airstrike phase, "contact" may be triggered, increasing the airstrike power if triggered.

Only the LoS from the participating planes is taken into account for the trigger rate (step 1):

Only the LoS from the participating planes is taken into account for the plane selection (step 2):

LBAS LoS

For more information on this topic, see LBAS Defense Fighter-Power.

Unlike ship mechanics, LBAS do not need/utilize the LoS stat and so this stat is mostly useless.

The only use for LoS is for "Defense Fighter-Power" in air defense mode, where it determines the "Reconnaissance Defense Bonus" ([math]\displaystyle{ \text{Mod}_\text{recon} }[/math]) for Reconnaissance SeaplaneRecon Seaplane Recons, Large Flying Boat Large Flying Boats, Reconnaissance Aircraft Carrier Recons, and Land-based Reconnaissance AircraftLB Land-based Recons:

Reconnaissance Defense Bonus
LoS Reconnaissance SeaplaneReconSeaplane
Large Flying BoatLarge Flying Boat 		Reconnaissance AircraftCarrier-based Land-based Reconnaissance AircraftLBLand-Based
≥9 1.16 1.3 1.24
8 1.13 - 1.18
≤7 1.1 1.2 -

The LoS on all other aircraft or in other LBAS modes is not counted.

Artillery Spotting

For more information on this topic, see Artillery Spotting.

Artillery Spotting attacks require the use of recons/bombers.

Only the Ship's LoS and the LoS from the participating planes is taken into account for the trigger rate:

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
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