Hazard level/Technical difficulty: Sea/tidal waters
- Group Leader instructor: Instructor Level 1 Open Sea
- Technical adviser: Instructor Level 2 Sea or RYA Windsurfing Principal or Trainer Level 2
- Recommended ratios: 1:6
- Instructor Level 1
Hazard level/Technical difficulty: Inland waters
- Group Leader instructor: As above or Instructor Level 1 Inland
- Technical adviser: As above, or Senior Instructor Inland
- Recommended ratios: 1:6
- Ratios of 1:12 per powerboat recommended.
