Trips are graded:
(1) for ‘Novices’
(2) ‘Flatwater’ (a) day trips (b) car camping (c) kayak camping
(3) ‘Intermediate’ (a) day & weekend trips (b) extended trips
(4) Sea Skills
The grading document can be accessed here
Note that ratios/quotas will apply, depending on the number of Instructors or Guides on a trip.