Photo by Teemu Virtanen · CC BY-SA 3.0
GUE Technical Diver 2
A six-day advanced course enhancing deep diving proficiency using helium breathing gases and oxygen-enriched decompression mixtures. Covers complex mixed-gas decompression, multi-stage operations with three or more bottles, and deep technical diving protocols. Emphasizes advanced gas management, extended decompression planning, and expedition logistics. Designed for experienced technical divers pursuing extreme depth exploration.
Prerequisites
Minimum age 18; GUE Technical Diver 1 certification; minimum 25 logged Tech 1 or CCR-T1 level dives; drysuit experience (25 non-training dives or 15 dives after Drysuit Primer) if applicable; physically and mentally fit; non-smoker; able to swim.
Standards
What a diver must demonstrate to pass this course — not always published by the certifying agency.
Minimum of seven dives (including three trimix experience dives) and at least 48 hours of instruction.
Instructors Teaching This Course
Mexico
United States
Other locations
We're still building out the directory country by country, so this list isn't every instructor or dive centre teaching it in the world — more locations are coming soon.
Common questions about GUE Technical Diver 2
What are the prerequisites for GUE Technical Diver 2?
GUE's standards require: Minimum age 18; GUE Technical Diver 1 certification; minimum 25 logged Tech 1 or CCR-T1 level dives; drysuit experience (25 non-training dives or 15 dives after Drysuit Primer) if applicable; physically and mentally fit; non-smoker; able to swim.
What is the minimum age for GUE Technical Diver 2?
GUE's standards state: Minimum age 18.
How many dives do I need before starting GUE Technical Diver 2?
GUE's standards state: Minimum 25 logged Tech 1 or CCR-T1 level dives.
What does GUE Technical Diver 2 training involve?
According to GUE's published standards: Minimum of seven dives (including three trimix experience dives) and at least 48 hours of instruction.
Where can I take GUE Technical Diver 2?
6 instructors in the TecDiveTools directory teach GUE Technical Diver 2, in Mexico and the United States. Each is listed further up this page.