1. The flatboat was dripping with blood.

2. Huck was sitting on the gunwale of a flatboat, listlessly dangling his feet in the water and looking very melancholy.

3. They were all set to poling now, and it was hard work navigating the flatboat upstream.

4. Finnan knew the harbour master well, and found a berth for the flatboat.

5. The first is historical fiction called By Wagon and Flatboat.