Deepest part of the ocean

[MR_AUS]

Has anyone come across a part of the map during the game where the depth is greater than 1915 ft.? It looks like that this is the max on the deeper maps.

Reason I ask is I was looking at the Russian "Mike" class and it has a maximum test depth of over 4000 ft. which would be cool to take it down that far and see how it goes trying to evade detection etc.