Look in the " Spoilers " forum for this topic:

" Game Guide: Ship Purchase Locations "

Great list complied by a very nice member...

Well first you have to fly to earth. Then you have to fly around the sun really fast. Then you have to fly back to earth where you find out it is in the 1980's. You then take your trusty pointy ear friend to the surface to Sea World. Your trusty friend will then talk to shamu. Shamu will tell him where you can you can find Willey who then will tell your friend where a Humpback is.

Nice answers ?

You can find this ship in the tau-systems

The tau systems are hidden and you cant se them on the world map, but i can say you can jump to one of the tau systems from leeds in bretonia and i know that the planet in this tau-system sells the humpback