NSS-CDS Diver Training

Little River Springs Map -  Survey and Cartography by Adam Hughes 28" x 46" printed in full color on glossy styrene paper.

CCR Trimix Cave TrainingNSS-CDS CCR Trimix Cave Diver is the closed-circuit rebreather equivalent of the open-circuit Trimix Cave Diver course. The official NSS-CDS page states that it covers the...

Nitrox Diver TrainingNSS-CDS Nitrox Diver trains certified divers to use enriched air nitrox mixtures up to 40% oxygen as a breathing gas with the aid of a programmable nitrox computer. The official...

Trimix Cave Diver TrainingNSS-CDS Trimix Cave Diver is for cave divers with a legitimate need to go deeper than entry-level cave training limits while using helium-based breathing gas properly. The...

CCR Cave Diver TrainingNSS-CDS CCR Cave Diver is the closed-circuit rebreather equivalent of the Apprentice and full Cave Diver pathway combined. The official NSS-CDS page explains that it covers...

Tech Nitrox and Cave DecompressionNSS-CDS Tech Nitrox and Cave Decompression Diver trains cave divers in staged decompression strategies, emergency management, and proper procedures for using EAN-21...

Cave First Responder TrainingNSS-CDS First Responder is a non-diving course for cave divers who may be among the first people present after a serious cave-diving incident. The official NSS-CDS page...

Cave Cartography TrainingNSS-CDS Cartography is the companion course to Underwater Cave Surveying, focused on turning survey data into finished underwater cave maps. The official NSS-CDS page...

Cave Surveying TrainingNSS-CDS Cave Surveying teaches certified cave divers the fundamentals of surveying underwater caves. The official NSS-CDS page describes the course as suitable for cave divers...

Advanced Sidemount TrainingNSS-CDS Advanced Sidemount Diver is for experienced cave divers who want training for sidemount cave diving that goes beyond simply wearing sidemount equipment. The...

DPV Cave Diver TrainingNSS-CDS DPV Cave Diver trains experienced cave divers to use diver propulsion vehicles without letting range, speed, and excitement undermine safety. The official NSS-CDS page...

Stage Cave Diver TrainingNSS-CDS Stage Cave Diver teaches certified cave divers how to use stage cylinders as a range-extending tool without adding unnecessary risk or damaging the cave. The official...

Advanced Cave Diver TrainingNSS-CDS Advanced Cave Diver is an alternative to the standard NSS-CDS Cave Diver course. The official NSS-CDS page states that it includes all academic and skill...

Full Cave Diver TrainingNSS-CDS Cave Diver builds on the knowledge, skills, and experience developed during Apprentice Cave Diver training. The official NSS-CDS page explains that the course checks...

Apprentice Cave Diver TrainingNSS-CDS Apprentice Cave Diver is Part I of the two-part process that leads to full NSS-CDS Cave Diver certification. The official NSS-CDS page explains that the...

Cavern Tech TrainingNSS-CDS Cavern Tech Diver is a standalone course intended to prepare a student for NSS-CDS cave training while using a technical equipment configuration. The official NSS-CDS page...

Single Tank Cavern TrainingNSS-CDS Single Tank Cavern Diver is a safety and awareness course for open-water sport divers who want to understand cavern environments while using standard single-tank...