A cave diver at the exit of an underwater cave

Photo by Mikhail Vedyokhin · CC BY-SA 2.5

Cave ITTDI

Full Cave Evaluator

Official course standards ↗Last updated September 7, 2026

Specialized evaluator certification for experienced Full Cave instructors seeking to assess other instructors' competency and ensure standards compliance in cave diving instruction. This course trains evaluators to verify that instructors meet TDI's teaching standards and can deliver the Full Cave curriculum to student divers. Evaluators play a critical quality-assurance role in maintaining professional standards across TDI cave diving instruction.

Prerequisites

TDI Full Cave Diver with 1 year as a certified Full Cave Instructor, having taught a minimum of 5 complete Full Cave courses; minimum 50 non-training full cave dives; minimum age 18.

Standards

What a diver must demonstrate to pass this course — not always published by the certifying agency.

Evaluators must observe and assess Full Cave Instructor performance against TDI standards, including classroom delivery, confined water skills demonstration, and open water dive execution. They verify that instructors comply with TDI's course structure, student-to-instructor ratios, required materials, and safety procedures.

Instructors Teaching This Course

Dive Centres Offering This Course

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 TDI Full Cave Evaluator

What are the prerequisites for TDI Full Cave Evaluator?

TDI's standards require: TDI Full Cave Diver with 1 year as a certified Full Cave Instructor, having taught a minimum of 5 complete Full Cave courses; minimum 50 non-training full cave dives; minimum age 18.

What is the minimum age for TDI Full Cave Evaluator?

TDI's standards state: Minimum age 18.

How many dives do I need before starting TDI Full Cave Evaluator?

TDI's standards state: Minimum 50 non-training full cave dives.

What does TDI Full Cave Evaluator training involve?

According to TDI's published standards: Evaluators must observe and assess Full Cave Instructor performance against TDI standards, including classroom delivery, confined water skills demonstration, and open water dive execution. They verify that instructors comply with TDI's course structure, student-to-instructor ratios, required materials, and safety procedures.

Where can I take TDI Full Cave Evaluator?

9 dive centres and 11 instructors in the TecDiveTools directory teach TDI Full Cave Evaluator, in Mexico and Thailand. Each is listed further up this page.