You can use the boat but it will stuck all the time by a delay of a few seconds. I made a video for the demostration that you can use but it stucks all the time. http://www.youtube.com/watch?v=uQDnLMM7VKc
Confirmed
2013-01-10, 03:22:57 PM UTC
2013-02-28, 03:55:22 PM UTC
2013-04-18, 07:08:23 PM UTC
[13w16a] - Horse's suffocated
You can use the boat but it will stuck all the time by a delay of a few seconds.
I made a video for the demostration that you can use but it stucks all the time.
http://www.youtube.com/watch?v=uQDnLMM7VKc
Confirmed