I think we should wait for the arrival of the new subs. Then we will see how they impact the game. But at the moment i think subs are not the problem facing lots of ASW-ships in GB and PCVs and PCAs sinking enemy subs or BB5s with premium HHs.

I agree, the pHH's need to be looked at for surface damage - My thought experiment upon this type of destroyer assumes that is fixed and people are actually using HH's for their intended purpose

Maybe they could be remods of current destroyers such as you suggesting the Allen sumner class which I believe was a fletcher with 3 dual 5" mounts instead of 5 singles and some sorta special radar, or for players who want to get really specialized in ASW possibly a whole full DD1-3 line and possibly a new sailor class with an ability that improve anti-submarine weapons effectiveness

If this does happen Briten will prob get the Hunt Destoryers.
thouse were custom biult for ASW they only had 2 main guns and the rest of them were AA guns and DCs Hell i think one of the 3 variants had 2 DC racks at the back as well as 4 DC lanchers on each side O_o. Basicly if the sub dident get hit by all thouse DCs it got EXTREMLY lucky.

I seem to think the DD's we have at the moment are very suitable to hunt enemy submarines. Just need a good sonarman and some depthcharges. Just one problem with the DD's though and thats is that there are just not enough going around and doing the job.

I would like to just see some more DD's though anyway. Got O/P, L/M, Q/R and Tibal within the Royal Navy how about an J/K/N? Might have more suggestions once I finish British Destroyers: From Earliest Days To Second World War and British Destroyers and Frigates: The Second World War and After.

Between the FF-Y and national DDs, NavyField already has ships that are capable of dealing with the submarines. Not to mention, almost all the bigger ships carry hedgehogs anyways. Adding a new line of dedicated national ASW ships will not change anything, unfortunately. People will still prefer to play submarines, battleships, and aircraft carriers. Those are the facts. It simply is not rewarding enough for most people.

HOWEVER, I would like it if the developers gave us a treat in the form of a new neutral frigate specialized for ASW. Such an addition would be simple and harmless. I know that a neutral frigate is no substitute for OP's suggestion, and I hope you're not offended, but it is a small step that the developers might be more willing to take.

Please read my proposal for a new neutral frigate:

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This frigate is meant to be an improvement of the FF-Y, which is currently the premier sub-hunting frigate in NavyField. In addition to that, this frigate proposal also incorporates the qualities of real life Escort Destroyers and Destroyer Escorts (these were the specialized ASW ships of WW2). These qualities includes high AAW rating, rear depth charge launchers, and less deck guns than other ships.

Required level: 36 (Neutral Frigate)
Turning Force: 45
AAW Defense rating: 200
FCS: 20 (same as FF-Y)
Power Plant: 26 (same as FF-Y)
Cruise speed: Should be the same or faster (NOT slower) than FF-Y: high cruise speed, low overheat speed
All other stats: Possibly the same as FF-Y

Armaments:

Aft weapons only.

R Space 30
R Space 30
R Space 30
T Space 22 (Same rear position as FF-Y)
T Space 22 (Same rear position as FF-Y)

Crew:

Sailors 4 (1)

1 Operator
1 Gunner
1 Torpedo
1 Sonarman

I think ASW should be a unique ship, not a refit of existing FF/DD/CLs.

ASW should have special Depth charges fittings, better sonar, and maybe HH fittings.

Other ships should not have sonar (or very limited sonar). This would make ASW a special ship and NF could sell a P-ASW ship.

Regular HHs shoud be removed and only PHH made available at cost. Smoke isn't free, or Mines, HH shouldn't be either.

PHH are already too strong, so why not just overpower em with ASW DD's? We get like 100 Hedgehogs over us and they keep firing till we come out of critical.

Not recc'd