Anyone know the pressure at the top of Titan's ocean? (That is, just under the ice) At first blush I was thinking it might be pretty substantial for a submersi

Anyone know the pressure at the top of Titan's ocean? (That is, just under the ice) At first blush I was thinking it might be pretty substantial for a submersible with that much ice, but then the gravity is significantly less than earth (0.138*g). Using: Pressure = density * g * h ...with density of water as 997 kg/m^3, g = 0.138 * 9.8 m/s^2, and h = 40000 m, you get a pressure of ~540 atmospheres. But I don't know if the ice sheet would have a structural component that doesn't add as much as a naive calculation would suggest.