So what this pack does is change some of the items often used in flying machines, especially one created by Stamsite (<Missile Download>) It makes cauldrons the best airplane seats (rotatable by changing the water amount) makes Slime blocks look metallic and makes overserverblocks very nice as tables
It changes the most common blocks in a minecraft SlimeblockMissile (See images)
For a quick exemple of it, take a look at this youtube video: