What officiating roles are there at a surf carnival?

The Surf Sports Manual lists these officials (not a complete list; organisers can appoint others, and at smaller carnivals some functions can be combined as long as safety is not compromised).

Technical

• Referee, Deputy Referee, Area Referee, Sectional Referee
• Event Administrator, Competition Liaison Personnel, Course Supervisor(s), Scrutineer Coordinator
• Judges: Chief Judge, Finish Judge, Lane Judge, Course Judge, Specialist Judge, Electronic Device Specialist Judge, Timekeeping Judge, Recording Judge
• Starter, Check Starter, Marshall, Check Marshall
• Announcing Coordinator, Gear and Equipment Coordinator, Presentation Coordinator, Course Statistician

Safety

• Safety Coordinator, Safety Officers, Water Safety Coordinators, Power Craft Coordinator, Water Safety Personnel
• Communications Coordinator, Medical/First Aid Coordinator, Course Statistician

Committees and panels: Organising Committee, Competition Committee, Safety Committee, Competition Disciplinary Committee (or other judicial panel), and a Competition Appeals Panel with a Convenor.

Source: SLSA Surf Sports Manual, 38th Edition, clause 13.5.