The ERDI Emergency Response Diver II Operations course builds on your ERD I foundation, developing the operational skills a public safety diver needs on more demanding call-outs. At the Operations level you work as an active in-water member of the team, applying advanced search patterns, tending and communications, and scene management under realistic conditions.

This course is designed for certified public safety divers who are ready to take on greater responsibility within their dive team and progress toward the Technician level.

Why train with Sink or Swim Scuba

You’ll train with an instructor who spent years as a working public safety diver and still supports local dive teams today. As an authorized Interspiro distributor, we keep rental and demo equipment on hand and offer on-site demo dives, so your team can try gear before investing — and we can assist with your dive operations as you build capability. ERDI training runs across three levels — Awareness, Operations, and Technician — and we train public safety divers locally, nationally, and internationally, including teams as far away as Spain.

Explore the pathway: Training Pathway · Public Safety Diving hub · ERDI I Public Safety Diver