Principles of watchkeeping in detail from STCW ?

Passage planning on charts , what do you mark on them ?

What xtra precautions to be taken when at anchor watch in a flying moor ?

How do you know your passage plan is complete ?

What factors you take into account when planning a passage from japan to west coast us ?

Buoyage system in japan , uses of special marks , safe water marks etc ?

What are the various navigational hazards you expect during a navigational watch ?