If you've been watching the portal, there's information regarding another hotfix for AA coming in the near future.  I wanted to illustrate why.  Actually, I wanted to show you what I had discovered myself but Sub_Octavian and the dev team decided to fix the issue before I could look all smart and announce I had found it all by my onesies.  The issue primairly is that there's a huge jump up in AA damage at about tier 8.  Patch 0.8.0.1 was supposed to reduce flak damage (which it did) and increase sustained DPS (which it did).  However, all values weren't increased equally.  In particular, flak damage at tier 8 wasn't reduced anywhere near what it was at lower tiers.  Let's look at the Royal Navy Battleships as an example:   AA Changes For Large / Medium / Small AA and Large / Medium Flak Explosions between 0.8.0 and 0.8.0.1 Ship Name (tier) DPS .8.0
(L/M/S) DPS 8.0.1
(L/M/S) % Increase
(L/M/S) Flak 8.0
(L/M) Flak 8.0.1
(L/M) % of Original
(L/M) Bellerophon (3) 0/40/0 0/51/0 0/28%/0 0/910 0/210 23% Dreadnought (3) NA NA NA NA NA NA Orion (4) 26/28/26 46/43/33 77%/54%/27% 1400/840 350/210 25%/25% Iron Duke (5) 28/124/28 49/190/33 75%/53%/18% 1400/1050 350/280 25%/27% Queen Elizabeth (6) 71/113/263 129/167/321 82%/48%/22% 1960/1470 350/280 18%/19% Warspite (6) 29/113/164 52/167/200 79%/48%/22% 1890/1470 350/280 19%/19% King George V (7) 58/203/274 104/313/321 79%/54%/17% 2170/1400 420/280 19%/20% Hood (7) 59/55/89/30 107/99/130/38 81%/80%/46%/27% 2170/2170/1470 420/420/280 19%/19%/19% Nelson (7) 31/172/473 58/259/609 87%/51%/29% 1960/1470 350/280 18%/19% Duke of York (7) 58/370/664 104/585/609 79%/58%/(-8%!) 2170/1400 420/280 19%/20% Monarch (8) 60/320/475 112/493/672 87%/54%/41% 2170/1400 1610/1050 74%/75% Vanguard (8) 63/425/0 117/640/0 86%/51%/0 2170/1330 1610/980 74%/74% Lion (9) 62/556/0 112/883/0 81%/59%/0 2170/1400 1610/1050 74%/75% Conqueror (10) 66/530/0 125/862/0 89%/63%/0 2170/1330 1610/980 74%/74% Yes, Hood has two long AA auras.  A couple of other ships have them too.  Also, poor Duke of York -- she's the only ship I've found (so far) that got her DPS nerfed in one aura.  I think it's a C&P error from Nelson.  This trend for preserving AA explosion damage carries across all nations and all ship types.  This is why AA power at higher tiers feels so unmanageable for tier 8+ CVs at the moment.  You'll note the inconsistency of it -- where Duke of York and King George V  (both tier 7) share the same long and medium flak damage as Monarch (tier 8) in 0.8.0 but they have vastly different flak output in 0.8.0.1.