TDI Cavern / Cave / Full Cave

Course Overview & Training Objectives

The initial entry module of TDI's overhead cave curriculum conducted strictly within the daylight zone of a cave entrance. Diver envelope is bounded by 61 linear meters (200 feet) from the surface, 40m depth, continuous daylight visibility, and no decompression. Standard configurations allow single tanks with redundant dual orifices/H-valves, twinsets, or sidemount, governed by the Rule of Sixths (single) or Rule of Thirds (redundant).

Operational Envelope

• Max Depth: 40m (130ft)
• Decompression: No decompression
• Breathing Gases: Air
• Equipment Rig: Double/Sidemount + Stages

Course Structure & Training Requirements

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

Entry Gates & Prerequisites

Min age 18, 25 logged dives