"AI Boat Utility" you can create routes for your fleets
using Google Earth and compile the ,files into FSX
traffic BGLs. You will then have your fleets sailing your
routes on schedules that you define.
You can then also place your aircraft onboard a carrier
and save the flight so in the future you can reload
it and start a flight without having to land first.
I use both the AI Boat Utility and aicarriers2.