Dejah Thoris

The  was the Fourth Doctor's houseboat. He took Leela and K9 Mark I to Mars to sail on the canals.

It was constructed similar to the houseboats on the English canals with the words I.M. Foreman (London) stenciled on the cabin.

The houseboat was destroyed by the Last Martian, but the Doctor rebuilt it. (PROSE: Crimson Dawn)