Da Vinci Code Cryptex V1.1

Have updated my Codex to make it a little tighter as the last one was a little loose.

Why make one? For this Christmas I have been stuck as to what to buy my Father. He is into boats and sailing so I thought I would give him some money. Rather then be boring I will make it a challenge to get to it :)

If anyone is interested here is the riddle I made for it:

My first is in Santa and also in Man,
My second's in Star and also in Plan,

My third is in Give but not in Tree,
My forth in A