IANTD Advanced Nitrox

Course Overview & Training Objectives

IANTD Advanced Nitrox Diver bridges recreational diving and foundational technical diving, qualifying divers to plan and conduct dives to 42 meters using EANx blends up to 40% with limited staged decompression up to 1.5 bar bottom PO2 and 1.6 bar deco PO2. Training covers gas management, cylinder oxygen cleaning standards, switchable gas dive planning, and CNS/OTU tracking. Divers master foundational trim, stage cylinder handling, and team communication skills.

Operational Envelope

• Max Depth: 42m (140ft)
• Decompression: 15 minutes
• Breathing Gases: Nitrox blends up to 40% O2 bottom gas, up to 100% O2 decompression gas
• Equipment Rig: Single + Stage or Double

Course Structure & Training Requirements

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

Entry Gates & Prerequisites

Min age 12