Technical Rescue


The technical rescue diver course is designed to challenge the diver to learn specialized techniques, and procedures for conducting rescues on technical dives.  For this course, you must already be TEC 45 (or comparable) certified to begin the course.

Program Overview

Academic topics

The course should include knowledge development that includes topics such as:

  • Accident avoidance
  • Risk assessment
  • How to spot an emergency situation
  • Emergency signalling protocols (emergency buoys etc)
  • Procedures when reacting to an emergency situation
  • Adjusting plans to fit unexpected hazards
  • Importance of buddy checks and unfamiliar equipment – rebreathers, OC twinsets etc
  • Team diving and signalling techniques (torches etc)
  • O2 toxicity effects
  • Deco logistics – hydration and air breaks
  • Skipping deco stops
  • DCS types
  • Considerations when raising an unconscious technical diver
  • Egress of the technical diver
  • Missed stop protocol
  • Reverse block
  • Inner ear bend / vertigo
  • In water recompression
  • Neuro exam
  • O2 admin
  • Incident management

Diving skills

Tailoring Rescue skills to technical divers. This class includes an initial skill practise in confined or limited Open Water with scenarios to follow during two full open water dives. Scenarios should not be practiced on dives with a real deco obligation – any stops referenced in the skills below should be simulated. Typically dives should be conducted in relatively shallow water (<60 feet) particularly any skills that assisting another diver with an ascent, due to the increased possibility of a fast ascent. Skills of this nature should be conducted in water that is 40 feet or shallower. Skills are spread over dives to avoid multiple ascents.

  • No mask ascent and supporting a diver without a mask making an ascent
  • Diver lifts with deco stops
  • OOA drills including gas switching, buddy breathing etc
  • OOA whilst using DSMB
  • Passing cylinders to deco divers (diver to diver)
  • Passing cylinders from boat of out of air diver at deco stop
  • React to emergency buoy (according to local protocols)
  • Support diver roles
  • Isolator shut down assistance
  • Assisting vertigo diver
  • Gas switching assistance to another diver
  • DCS denial


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