https://www.nodc.noaa.gov/OC5/AZOV2006/HTML/TOPOGRAPHY/AzovSeaBatimetry.jpg
In any case, it is pretty dumb for us to sail in the Black sea. We really have no need for it as anything you can do there from a ship can be done from probably a dozen land bases and not bottle up a fleet. It’s very roughly 250 miles x 700 miles.
As for the sea of Azov, that would be the height of insanity to sail there even if we had a right to (we don’t, it’s legally similar to the great lakes).
But to go there would be the utterly crazed for our fleet. Shallow, small, and with two heavily controlled choke points. Imagine a USN ship in the Sea of Azov for some nutty reason, and the captain hears the news that the bridge over the straight has “collapsed”. He is trapped