A technical diver handling decompression stage cylinders during a dive

Photo by Teemu Virtanen · CC BY-SA 3.0

OC Tech (40m)PADI TecRec

Tec 40 Instructor

Official course standards ↗Last updated September 7, 2026

Become a certified technical diving instructor qualified to teach open-circuit decompression diving at the entry-level Tec 40 standard. You'll master instructional techniques for decompression theory, double-tank configuration, emergency procedures, and gas management. This qualification enables you to certify recreational divers transitioning into technical diving, manage confined-water drills, and supervise open-water technical certification dives in professional technical environments.

Prerequisites

PADI Open Water Scuba Instructor (or higher rating), PADI Enriched Air Diver Specialty Instructor, PADI Deep Diver Specialty Instructor, PADI Tec 45 Diver, minimum 25 EANx dives deeper than 30m/100ft, minimum 10 decompression dives in full technical equipment. Prior to application: certified 25 divers (max 5 from non-dive courses), minimum 20 decompression dives total, completed PADI Tec 40 Instructor course or equivalent from another organization with documentation of training assist/teaching requirements.

Standards

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

Successful demonstration of technical decompression instruction methodology, student assessment in decompression theory and emergency procedures, ability to conduct confined-water and open-water certification dives, management of technical diving risks, and teaching of proper double-tank configuration and gas management protocols to students at 40m/130ft.

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 PADI TecRec Tec 40 Instructor

What are the prerequisites for PADI TecRec Tec 40 Instructor?

PADI TecRec's standards require: PADI Open Water Scuba Instructor (or higher rating), PADI Enriched Air Diver Specialty Instructor, PADI Deep Diver Specialty Instructor, PADI Tec 45 Diver, minimum 25 EANx dives deeper than 30m/100ft, minimum 10 decompression dives in full technical equipment. Prior to application: certified 25 divers (max 5 from non-dive courses), minimum 20 decompression dives total, completed PADI Tec 40 Instructor course or equivalent from another organization with documentation of training assist/teaching requirements.

How many dives do I need before starting PADI TecRec Tec 40 Instructor?

PADI TecRec's standards state: Minimum 25 EANx dives deeper than 30m/100ft.

What does PADI TecRec Tec 40 Instructor training involve?

According to PADI TecRec's published standards: Successful demonstration of technical decompression instruction methodology, student assessment in decompression theory and emergency procedures, ability to conduct confined-water and open-water certification dives, management of technical diving risks, and teaching of proper double-tank configuration and gas management protocols to students at 40m/130ft.

Where can I take PADI TecRec Tec 40 Instructor?

2 dive centres and 2 instructors in the TecDiveTools directory teach PADI TecRec Tec 40 Instructor, in Indonesia and Thailand. Each is listed further up this page.