In your humble opinion

[Skybird]

Originally Posted by ASWnut101

beat it.

Depends on place, time, environment, and the comparison of the efficiency of the sonar suits of both competing boats. Your choice is not invulnerable, and can be beaten.

I probably would also choose the 212/214, if I could choose the place. Can't get any quieter than this, currently, and some grim armament possible.

If needing to patrol globally, I probably would choose a nuclear boat, too.