ANDI Complete SafeAir User (CSU)

Course Overview & Training Objectives

ANDI Complete SafeAir User (CSU, Level 3) certifies divers to execute planned decompression dives to 40 meters utilizing SafeAir mixtures up to 50% oxygen for bottom mix and pure oxygen for accelerated decompression stops. The course enforces ANDI's strict gas purity standards, dedicated oxygen-compatible systems, and precise CNS/OTU oxygen tracking. Practical modules emphasize team gas matching, run-time schedules, and stage cylinder operations.

Operational Envelope

• Max Depth: 40m (130ft)
• Decompression: No decompression
• Breathing Gases: SafeAir 22 through SafeAir 50, and 100% O2 for accelerated decompression
• Equipment Rig: Single

Course Structure & Training Requirements

• Course Duration: 2 to 3 Days
• Required Training Dives: 4 in-water dives
• Classroom & Theory: 8 hours instruction

Entry Gates & Prerequisites

LSU or equivalent