Optional Skills
Depending on time and logistics of your area, your instructor may decide to perform these optional surface and underwater skills.
- Surface Skills: Optional surface skills include:
- Cramp relief
- Tired diver towing
- Removal and replacement of the scuba equipment and the weight system
- Removal and replacement of the weight system
- Underwater Skills: Optional underwater skills include the following.
- SMB Deployment: Your instructor will stay close by while you perform this skill. A demonstration will be performed before you attempt the skill. While hovering, you will deploy your SMB, tie off the line at 5 meters/15 feet, and simulate a safety stop.
- Controlled emergency swimming ascent (CESA): This skill:
- Simulates having no gas supply and no buddy.
- Can be completed on any dive after open water dive 1.
- Is performed at a maximum depth of 9–12 meters/30–40 feet.
- Is performed with the regulator staying in your mouth.