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Aircraft veterancy

The Aircraft Proficiency System (tentative name) is a system introduced in the August 10th 2015 update along with the Summer 2015 Event, which enables planes to acquire experience in sorties. This system applies to all aircraft in the game, with the exception of Autogyros and Liaison Aircraft.

By acquiring experience from repeated sorties, planes will eventually gain ranks. As planes reach higher ranks, they acquire hidden stat bonuses that increase their overall effectiveness during battle.

Planes may lose their ranks when shot down, or in the worst case, lose all their ranks. It is important to gain air superiority whenever possible to prevent plane loss.

While Abyssal Planes do not have aircraft proficiency, PvP fleets do.

RanksEdit

As the plane gains experience, they acquire a ranking insignia on the right of their name.

  • The ranks progress as follows: Aircraft Proficiency Blue Line 1Aircraft Proficiency Blue Line 2Aircraft Proficiency Blue Line 3Aircraft Proficiency Gold Line 1Aircraft Proficiency Gold Line 2Aircraft Proficiency Gold Line 3Aircraft Proficiency Gold Chevron
  • The double gold chevron insignia is the highest known attainable rank.
  • Planes without ranks have default stats without hidden bonuses.
  • Speculation has it that these ranks are just generalizations of the planes' actual proficiency, so two planes of the same rank may not have the same bonuses.

Acquiring ExperienceEdit

Planes gain experience in regular sorties and PvP.

Viable maps for planes levelingEdit

  • Method 1: Concentrating on training 4/3 bomber planes repetitively in quick succession. Train in 1-1-A, cycling Shouhou and Zuihou, or Chitose and Chiyoda. This can be done almost non-stop, low exp but uses fewer resources and requires less micro-management.
    • It's possible to bring two additional light carriers, to level up more non-bomber planes while retaining the ease of micromanagement, though the latter two ships would be subjected to fatigue.
  • Method 2: Concentrating on leveling multiple planes simultaneously. A red fatigue setup in 3-2-A with 3-4 CV/L and BBV+SS can be used to yield good ship and pilot experience.
  • Method 3: Utilizing the ASW capabilities of light aircraft carriers. Training planes in 1-5 allow one to rank up both seaplane bombers and carrier planes in a full run of the map, but may require buckets.
  • Method 4: 2-3 with 6 CV filled with planes.
  • Method 5: You can also just use CVs and planes normally to naturally level them.

Planes leveling speedEdit

  • Plane leveling speed has been changed after Nov 18, 2015 update. Further investigation is needed to figure out the new leveling speed, but in general, leveling planes is easier.
  • Currently, Type 3 Command Liaison Aircraft (ASW)s, and Ka-type Observation Autogyros don't gain ranks.
  • Plane slot size does not directly affect the rate of gaining ranks.
  • Lower-tier aircraft takes much longer to gain a rank compared to higher-tier aircraft.
  • Leveling speed isn't affected by battle rank, morale/fatigue, slot size, equipment order, sea area, enemy formation, MVP, training cruisers or air control status.[citation needed]

Effects of Aircraft RanksEdit

Fighter PowerEdit

  • Planes (mainly fighters) gain an increase in fighter power. Experiments[1] show that:
    • With double chevron, pure (carrier-based/seaplane[2]) fighters gain an additional flat 24.6-25.5 fighter power per slot. However, further experimentation indicate that there are some additional and currently unknown variables affecting the bonus fighter power planes are getting within that range.[3]
    • (Carrier-based) Bombers get an extra 3-4 air power with double chevron regardless of whether they have anti-air stats or not.
      • Max Proficiency Bombers get an extra 3.443-3.519 air power.[4]
        • As such, for bombers without any built-in AA stats, the maximum AA value they get would be 3.00 as AA values are rounded down on a 'per slot' basis.
    • Seaplane Bombers with double chevron most likely get an extra 9 fighter power.
    • Carrier-based Reconnaissance plane, Reconnaissance Seaplane, or Flying Boat do not get Fighter Power from Chevrons.
    • Note that the final value is rounded down per slot, after adding with the actual air power given by the plane itself.[5]
    • Simplified Table:
Proficiency   Aircraft Proficiency Blue Line 1 Aircraft Proficiency Blue Line 2 Aircraft Proficiency Blue Line 3 Aircraft Proficiency Gold Line 1 Aircraft Proficiency Gold Line 2 Aircraft Proficiency Gold Line 3 Aircraft Proficiency Gold Chevron
Fighter Power Bonus Carrier-Based Fighters
Seaplane Fighters
0-11-23-47-811-1216-1716-1825-26
Seaplane Bombers 0-11-22-33-43-45-65-79-10
Carrier-Based Bombers 0-11-21-22-32-32-32-43-4

Note: The data displayed above is a rough estimation. See #Fighter Planes' Air Power Bonus Test Result for more information.

Critical HitEdit

Bombers (dive, torpedo, jet, seaplane, flying boat) gain increased post-cap damage when they score a critical hit.

  • This bonus applies to the shelling phase, opening airstrike, and anti-submarine attacks.
  • A double chevron bomber increases post-cap critical damage by 10%, two increase it by 20%, three by 30%, four by 40%.
  • Bombers equipped on the first slot receive a double bonus, so a double chevron bomber would get a 20% increase in post-cap critical damage when equipped on the first slot. As a result, a carrier carrying double chevron bombers in all 4 slots would receive a 50% increase in post-cap critical damage.
  • Planes loaded onto empty slots do not grant proficiency bonuses.
  • Doesn't affect support expeditions.
  • Accuracy and critical hit rate for bombers increase for both opening airstrike and shelling phase.[citation needed]
  • A current theory is that the critical damage bonus is (depending on internal proficiency)[6]
Formula Aircraft Proficiency Blue Line 1 Aircraft Proficiency Blue Line 2 Aircraft Proficiency Blue Line 3 Aircraft Proficiency Gold Line 1 Aircraft Proficiency Gold Line 2 Aircraft Proficiency Gold Line 3 Aircraft Proficiency Gold Chevron
Level 0 1 2 3 4 5 6 7
Level bonus b 0 1 2 3 4 5/7 7 10
Inner proficiency p 0-9 10-24 25-39 40-54 55-69 70-84 85-99 100-120
First slot \lfloor \sqrt{p} + b \rfloor 0-3% 4-5% 7-8% 9-10% 11-12% 13-16% 16% 20%
Other slots \lfloor \sqrt{p} + b \rfloor / 2 0-1.5% 2-2.5% 3.5-4% 4.5-5% 5.5-6% 6.5-8% 8% 10%

LoS?Edit

  • According to the official Kancolle Twitter account, planes [with LoS stats ?] gain bonuses to Line of Sight and contact rate. [7] However, the amount its increased remains unconfirmed.[8]
    • People have failed to observe any effect from aircraft proficiency on eLoS either.[citation needed]
    • Comptiq Volume H28-01 claims that aircraft proficiency helps to increase the artillery spotting rate.
  • Appears to increase Night Reconnaissance's contact rate.[9]

OthersEdit

  • There's no sign of Saiun's Aircraft Proficiency system affecting engagement form, but it hasn't been thoroughly tested.[8]
  • No effect is provided from an empty plane slot.
  • Proficiency doesn't seem to affect plane resistance to anti-air, nor increasing quantity of planes shot down.[citation needed]

Factors Affecting Aircraft RankEdit

  • Numbered air group planes such as Zuiun (634 Air Group), Suisei (601 Air Group) and Reppuu (601 Air Group) start with single blue stripes.
  • Famed and skilled air group planes such as Type 21 Zero Fighter (Skilled), Type 99 Dive Bomber (Egusa Squadron) and Type 97 Torpedo Bomber (Tomonaga Squadron) start with double blue stripes.
  • The model conversion quest for Suisei (Egusa Squadron) and Tenzan Model 12 (Tomonaga Squadron) will retain their original rank if it's higher than the default rank.
  • Some model conversions such as Tenzan Model 12 (Murata Squadron), Jet Keiun Kai and Seaplane Fighters may downgrade by one rank due to the higher proficiency cap[citation needed][dubious] of the converted aircraft.
  • The Skilled Pilot conversion and model conversion for Iwamoto and Iwai flight requires the converting planes to be at Rank 7 and to start over from Rank 2 after the conversion, necessitating repeated training after every conversion.
  • Ranks can decrease slightly (1-2) if a large proportion of planes is shot down.
  • Planes will have their rank reset if the entire squadron occupying a slot is shot down.
  • When a slot of planes is completely shot down, it can still receive ranks for the sortie prior to being shot down, and the ranks will be added after the rank reset. So in some cases, a wiped-out squadron can still return to base with 1 or 2 stripes left, given that the squadron performed well before being wiped out.
  • Planes that are assigned to equipment slots with 0 planes will neither gain nor lose ranks.
  • Planes used in aerial supports do not lose ranks even if completely shot down.
  • As air superiority greatly reduces the amount of aircraft that are shot down during the air combat phase, it is important to maintain air superiority where possible to minimize plane loss and therefore plane rank, especially against enemies that have a high anti-air stat.
  • Bombers are vulnerable to enemy anti-air fire and are at risk of getting completely shot down in smaller plane slots, while fighters aren't. It is recommended to put fighters or reconnaissance planes instead of bombers in the smallest aircraft carrier slots.
  • Proficiency does not increase/decrease during sorties, it only changes when the fleet returns to port.
  • Improving a plane to another plane will carry over some (roughly 60%) of the plane's original proficiency.[10]
  • Planes may gain and lose ranks in Exercises (PvP) runs though the rank is not updated till the next sortie.

Internal Proficiency Level HypothesisEdit

In order to explain the different performance given by planes of the same rank as listed in #Fighter Planes' Air Power Bonus Test Result, a hypothesis has been created in an attempt to attribute the difference in performance.[5]

The hypothesis states that those aircraft proficiency markers are simply a generalization of the internal proficiency of those planes, and there is actually some internal proficiency level that also affects performance of those planes. For convenient purposes, when a Type 0 Fighter Model 21 plane fought a battle under AP or above status before Nov 18, 2015 update, the experience gained by that plane is treated as an one unit increase. Supposedly, the leveling speed of a Type 0 Fighter Model 21 is same as Type 97 Torpedo Bomber, Type 99 Dive Bomber, Zuiun, Type 0 Observatory Seaplane, and Type 2 Reconnaissance Aircraft. Base on this unit, a mapping between inner proficiency and displayed proficiency is drafted as follow:

Displayed Proficiency   Aircraft Proficiency Blue Line 1 Aircraft Proficiency Blue Line 2 Aircraft Proficiency Blue Line 3 Aircraft Proficiency Gold Line 1 Aircraft Proficiency Gold Line 2 Aircraft Proficiency Gold Line 3 Aircraft Proficiency Gold Chevron
Inner Proficiency Range  0- 9  10-24  25-39  40-54  55-69  70-84  85-99  100-120[11]
Hypothesis for Air Power bonus from the "Displayed-Rank-based" part for: Carrier-Based Fighters
Seaplane Fighters
00259141422
Seaplane Bombers 00111336
Carrier-Based Bombers 0
Theoretical Total Air Power Bonus Range:[† 1] Carrier-Based Fighters
Seaplane Fighters
0-0.9491-1.5493.581-3.9757-7.32411.345-11.62716.645-16.89916.915-17.14725.162-25.465
Seaplane Bombers 0-0.9491-1.5492.581-2.9753-3.3243.345-3.6275.645-5.8995.915-6.1479.162-9.464
Carrier-Based Bombers 0-0.9491-1.5491.581-1.9752-2.3242.345-2.6272.645-2.8992.915-3.1473.162-3.464

And as seen in #Fighter Planes' Air Power Bonus Test Result, while they do have variations within the same displayed range, those ranges are discontinuous over different displayed proficiency markings. It has been proposed that the total bonus given by the aircraft superiority system is given by adding up the bonus from the displayed value plus the bonus from inner proficiency value. The bonus from inner proficiency part is obtained by dividing the inner proficiency value by ten and then taking the square root. The bonus from the displayed value part for carrier fighter is assumed to be [0, 0, 2, 5, 9, 14, 14, 22] for displayed proficiency from 0 to 7 in air superiority calculation.[5] For Seaplane bombers, it is currently hypothesized that the value would be [0, 0, 1, 1, 1, 3, 3, 6] [12], and for carrier-based bombers, the displayed value bonus part is hypothesized to be all zero, i.e. only receiving bonus from internal proficiency part.[13]

Note: Please report any case that you seen/tested that does not match this hypothesis.

TriviaEdit

  • In the official Fubuki 4koma webcomic, the Aircraft Proficiency system is described as a process that fairies gain attachment toward their plane. When they lose their planes, they get resupplied new ones, meaning they would need to rebuild their attachment all over again.
  • When the system was first implemented on Aug 10, 2015, there was a bug causing your fleet's Aircraft Proficiency to change even if you didn't do anything. This was due to the program mistakenly counting in battle data when other players challenged player's fleet in PvP. This was fixed a day later.
  • Type 96 Fighter, Type 0 Reconnaissance Seaplane were capable of obtaining plane ranks since the implementation of the system, though it was basically impossible to level them till the Fall 2015 Event (November 18).
  • It has been suggested that the highest proficiency >> might be formed by combining \\ and //, thus >> = ////. This might explain the existence of double chevron but the lack of single/triple chevron.

AppendixEdit

Fighter Planes' Air Power Bonus Test ResultEdit

Carrier-Based Fighter[5]
Rank Bonus Air Power Value
Lower BoundUpper Bound
New0-0.0260.845+
Aircraft Proficiency Blue Line 11-1.0191.504-1.715
Aircraft Proficiency Blue Line 23.212-3.5963.845-3.984
Aircraft Proficiency Blue Line 36.845-7.0197.277-7.504
Aircraft Proficiency Gold Line 111.205-11.50511.613-11.786
Aircraft Proficiency Gold Line 216.639-17
Aircraft Proficiency Gold Line 3below 1717-17.205
Aircraft Proficiency Gold Chevron24.679-25.38425.458-25.467[14]
  • Upper bound refer to the maximum amount of additional fighter power obtained from plane of this rank, while lower bound mean the minimum. It is known that in same rank, under different condition, the additional fighter power varies between upper bound and lower bound
  • See text above for brief description for other types of planes.
  • See #Internal Proficiency Level Hypothesis for a theory on one of the potentially viable explanations to these numbers, especially the part about why planes with same rank giving different extra air power value as this table implies.

External LinkEdit

NotesEdit

  1. with 120 as contemporary assumption for max. internal proficiency value

ReferencesEdit

  1. http://ja.kancolle.wikia.com/wiki/スレッド:464
  2. https://twitter.com/Kensho_KanColle/status/728850181303631874
  3. http://jbbs.shitaraba.net/bbs/lite/read.cgi/netgame/13745/1400461230/983
  4. http://jbbs.shitaraba.net/bbs/read.cgi/netgame/13745/1439793270/24
  5. 5.0 5.1 5.2 5.3 http://jbbs.shitaraba.net/bbs/read.cgi/netgame/13745/1439793270/22-23
  6. http://ja.kancolle.wikia.com/wiki/%E3%82%B9%E3%83%AC%E3%83%83%E3%83%89:464#49
  7. Official Twitter Statement
  8. 8.0 8.1 http://kancolle.aemedia.org/thread-22344-1-1.html
  9. Cite error: Invalid <ref> tag; no text was provided for refs named aemedia22344p11
  10. https://mobile.twitter.com/7ka7a/status/709007770888982528
  11. http://jbbs.shitaraba.net/bbs/read.cgi/netgame/13745/1439793270/61
  12. http://jbbs.shitaraba.net/bbs/read.cgi/netgame/13745/1439793270/42
  13. http://ja.kancolle.wikia.com/wiki/艦載機熟練度
  14. http://jbbs.shitaraba.net/bbs/read.cgi/netgame/13745/1439793270/61