GUE RB80 Rebreather

Course Overview & Training Objectives

The GUE RB80 Rebreather course trains divers on the Halcyon RB80 non-depth-responsive passive addition semi-closed rebreather (PASCR). It teaches loop mechanics, respiratory ratio management, and seamless transitions to standard backmounted double tank open circuit configurations. Divers retain classic GUE standardized protocols while extending gas range by a factor of 8 to 10.

Operational Envelope

• Max Depth: 75m (250ft)
• Decompression: No decompression
• Breathing Gases: Standard GUE trimix diluents (21/35, 18/45), GUE deco mixes, backmounted doubles bailout
• Equipment Rig: Halcyon RB80 pSCR semi-closed rebreather + OC Bailout

Course Structure & Training Requirements

• Course Duration: 5 to 6 Days
• Required Training Dives: 8 in-water dives
• Classroom & Theory: 16 hours instruction

Entry Gates & Prerequisites

GUE Fundamentals (Technical Pass) + Tech 1 or Cave 1