I did this course in early april last year, I doubt it has changed much since then.
Did mine in ripon but we had one instuctor from the scotish JSATC.
the basic outline is
Split in to groups of 6-7
Day 1 arrive
introduction
short theory lecture
Day2
more thoery (weather)
Navigation exercise (used perminant orienteering course)
debrief and thoery start planning overnight ex
Day 3
surpirse suprise thoery again
rope work (one of the more enjoyable parts of the course)
debreief draw and check stores for exped
Day 4
Start of exped
each person alternates to 'lead'
night nav in simular format (overnight in tent)
Day 5
continue exped.
arrive back
post exped admin
Day 6
river crossing
Final Debrief
Bugger off home.
Tips
Pretty much an attendance course for anyone with decent nav skills, for the rest just listen to the insturctor and do what they say.