PADI Tec Trimix 65

Course Overview & Training Objectives

PADI Tec Trimix 65 qualifies technical divers to employ normoxic trimix blends to an extended depth limit of 65m (213ft). By replacing nitrogen with helium to cap narcotic depth to 30m or less, divers maintain cognitive sharpness while managing two decompression stages. The curriculum develops proficiency in decompression software planning, multi-gas dive tracking, and decompression obligation management.

Operational Envelope

• Max Depth: 65m (213ft)
• Decompression: Unlimited accelerated deco
• Breathing Gases: Normoxic Trimix (min 18% O2); up to 2 decompression stage cylinders (EAN50 and 100% O2)
• Equipment Rig: Manifolded Twinset or Sidemount + 2 Deco Stages

Course Structure & Training Requirements

• Course Duration: 4 to 5 Days
• Required Training Dives: 5 in-water dives
• Classroom & Theory: 16 hours instruction

Entry Gates & Prerequisites

Tec 50 + Rescue Diver + 100 logged dives