CMAS One Star Diver (*)

Course Overview & Training Objectives

CMAS One Star Diver (*) represents the foundational autonomous diver qualification under the World Underwater Federation, rooted in European club training rigor and physical fitness. The course systematically teaches fundamental diving physics, physiology, decompression table calculation, and safe scuba gear handling through comprehensive pool and open water modules. Graduates are qualified to dive safely in open water to depths of 20 meters accompanied by an adult diver of equal or higher certification.

Operational Envelope

• Max Depth: 20m (65ft)
• Decompression: No decompression
• Breathing Gases: Air
• Equipment Rig: Single

Course Structure & Training Requirements

• Course Duration: 4 to 5 Days
• Required Training Dives: 5 in-water dives
• Classroom & Theory: 8 hours instruction

Entry Gates & Prerequisites

Min age 14; swimming assessment (continuous swim and water treading); valid medical certificate of fitness