Bukkit

+ Can now descend with the crouch/sneak key as well as the right mouse button.

+ Works with http://ci.bukkit.org/job/dev-CraftBukkit/1597/

Using the clear command may cause a java error If you start from land you will descend

Due to missing Bukkit hooks, the player must be holding an item to right click and move down in flying or submarine modes. This doesn't matter so much any-more since you can just press the sneak key instead. Also due to Bukkit issues, even if invincible permission is given, boats will still die on block collision. Nothing I can do to alleviate that at the moment, but rest assured, it will be fixed when possible! Currently, it can be hard to start moving on land from a still position. Just keep jumping and moving, and it'll kick in. I'll fix this issue when I can!