Beriev Be-200. The jet powered flying boat sub hunter.

[Ultima Thule]

Aerial tankers don't have the range and endurance of replenishment ships. Flying boats can be refueled anywhere in the ocean. Land based ASW planes can only patrol within a and few thousand km of the coast.

and do you know better than those on military/Navy and we thousand kilometres is enough for take care of enemy subs

 

[Ultima Thule]

Aerial tankers don't have the range and endurance of replenishment ships. Flying boats can be refueled anywhere in the ocean. Land based ASW planes can only patrol within a few thousand km of the coast.

And how many amphibious sub hunters aircraft are being used by the world, and other Naval assets like (multi purpose frigates/ destroyers/subs etc etc) also continuously searching enemy subs 24/7