20 Basic Scuba Skills for Skill Evaluation:
1. Equipment assembly, adjustment, preparation, donning and disassembly
2. Predive safety check (BWRAF)
3. Deep water entry
4. Buoyancy check at surface
5. Five point descent
6. Remove and replace weight system
7. Fin pivot (neutral buoyancy)
8. Five point ascent
9. Snorkel-regulator/regulator snorkel exchange
10. Remove and replace scuba unit underwater
11. Hovering motionless
12. Buddy breathing stationary, donor and receiver
13. Buddy breathing while swimming, donor
14. Mask removal, replacement and clearing
15. Buddy breathing while swimming, receiver
16. Alternate Air Source (AAS) stationary.
17. Freeflow regulator breathing
18. Controlled Emergency Swimming Ascent (CESA)
19. Underwater swim without a mask
20. Air depletion exercise
FYI, in the last couple of years the u/w swim without the mask & the air depletion exercise were added to the "original" 18 skills.
P.S. great suggestions on demo-ing skills! 