Max delegated the arrival procedures for aquatic species to the logistics team and double-checked the underwater cities for any possible flaws. Since they were filled with water, the pressure would change drastically between the surface and bottom floors, so there would have to be some consideration of that implemented into the docking procedures.
But other than that, it looked like all was well. Even the elevators had been appropriately slowed to allow bodies to adjust to the pressure changes as they ascended and descended.
It wasn't a set of problems that he was very familiar with, but the ship's computer kept him up to speed with the basics, and the designer's notes filled in the rest.