Pre Dive Checklist


Before you enter the water, review your ABCs.

dive buddies

A – Make sure your Air is on by inhaling from your primary second stage while looking at your pressure gauge. If the needle drops significantly when you inhale, it indicates that the valve is either closed or only partially opened.


B – Next, make sure your BCD is inflated enough to support you at the surface. Use your auto-inflator button to be sure it works.


C – Check that your Computer is turned on and has not retreated into a surface mode or a sleep mode.


D – Put on the rest of your Dive gear, such as your mask, fins, and gloves. When you and your buddy have exchanged the OK signal and the dive master has cleared you.


E – Enter the water.

ERDI Swift Water Ops

This course is designed to provide information and hands on training to students / team members who may be called upon to respond to a swift water call where no water entry is practical or possible. This is defined by NFPA 1006/1670 guideline as “water moving at a rate greater than 1 knot.”Swift water is typically found in high hills, mountain areas or in flash flood areas designed for moving water away and represents water in a natural setting moving downhill. With large scale flooding now common in rural and urban environments, moving water may be swift and the need for safe and effective training programs are in demand.

The purpose of the ERDI Swift Water program is to provide necessary skills and knowledge in performing life saving operations in swift water, and the importance of understanding the dangers of moving water such as strainers and hydraulics.

After successful completion of the ERDI Swift Water Ops program, responders are expected to understand how to recognize the presence of hazardous conditions, protect themselves, secure the area, call for additional resources, activate an emergency plan, assess conditions and attempt a rescue.

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ERDI Underwater Crime Scene

This course is designed to provide information and hands on training to Certified Peace Officer Standards and Training (P.O.S.T) officials, Coroners, Deputy Coroners, Certified Medical legal Investigators (ABMDI) and non-P.O.S.T. members to include; search and recovery dive personnel, rescue personnel who may respond to an in water evidence search or a water related drowning. Evidence search may include items of interest or cadavers.The purpose of the ERDI Underwater Crime Scene Investigations program is to provide necessary skills and knowledge in performing underwater crime scene investigations, preservation and proper documentation for court ready testimony.

After successful completion of the ERDI Underwater Crime Scene program, responders are expected to understand the constitution, responding, preparing the crime scene, death investigations, medical aspects, fingerprints, characteristics of bodies in water, recovery procedures, and court ready documentation.

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Underwater Crime Scene Articles

Crime Scene Management and the Dive Team’s Role
Recovering Evidence at Depth

ERDI Testifying in Court

This awareness level course is designed to introduce the non-law enforcement public safety diver or team member to the court system and the requirements and techniques of presenting testimony in legal proceedings.The purpose of the ERDI Testifying in Court program is to provide insight into the requirements and techniques of presenting testimony in legal proceedings, provide insight into legal systems and how criminal legal processes work.

After successful completion of ERDI Testifying in Court program, the non-law enforcement public safety diver or team member will have a better understanding of the court system, how to present testimony and how to prepare for testimony as well.

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Testifying in Court Articles

Are You Prepared to go to Court?

ERDI Non-Diving Specialty Instructor

The ERDI Non-Diving Specialty Instructor course is designed to teach non-diving members of a public safety dive team, the knowledge to safely function as an independent instructor of the non-diving specialties listed below:

  1. Visual Inspection Procedures
  2. ERDI Tender
  3. Other non-diving specialties, i.e. unique specialties, offered by ERDI (subject to headquarters approval)

In order to become an instructor for one of the above courses; a candidate must be certified by a qualified Instructor Trainer; experience based upgrades are not available. Instructors who hold equivalent certifications with another recognized agency who wish to cross over as a non-diving specialty instructor may do so by applying via current instructor crossover procedures.

Upon successful completion of this course, graduates may teach the appropriate ERDI Non-Diving Specialty.

The candidate may be certified to teach multiple specialties at once, provided all corresponding prerequisites and graduation requirements are met and the instructor trainer conducting the course is qualified.

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SDI Equipment Diver

There is nothing worse than prepping for a dive and facing some form of equipment failure…

Whether it’s your SPG leaking, a torn O-ring, regulator malfunction or more, during the SDI Equipment Diver course you can learn how to fix these problems and how to spot potential failures before they occur.

This course is designed to give you a more in depth look at the operation and maintenance required of your dive equipment. The SDI Equipment Diver course covers general repairs and maintenance of various types of exposure suits, Buoyancy Compensator Devices, regulators, accessories and more.

No dives are required for the SDI Equipment Diver course so you can schedule your course any time of the year!

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SDI Master Scuba Diver


Are you a true dive fanatic ready for the challenge of earning the highest non-professional diver rating available?The SDI Master Scuba Diver program was designed to set divers apart and distinguish them as true masters… This earned rating can be acquired after an Open Water Scuba Diver completes four (4) SDI Specialties, the Rescue Diver course, and logged 50 dives. Once you have achieved these goals, go to your local SDI Dive Facility with verification of experience to submit for the SDI Master Scuba Diver rating.

After successful completion of the SDI Master Scuba Diver program, you will have gained the knowledge, experience, and necessary skills associated with diving in a variety of underwater environments and settings.

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Non-Diving Specialty Instructor

The SDI Non-Diving Specialty Instructor course is designed to teach members of the scuba diving industry such as: store owners, service technicians, etc the knowledge to function as an independent instructor for the non-diving specialties listed below:

  1. Visual Inspection Procedures
  2. CPROX
  3. CPR1st
  4. CPROX1stAED
  5. SDI Snorkeling
  6. Equipment Specialists

Upon successful completion of this course, graduates may teach the appropriate SDI Non-diving specialty. Instructor candidates may be certified to teach multiple specialties at once.

Graduates of the SDI Non-Diving Specialty Instructor Course may upgrade to other non-diving specialties without completing the full course again; all prerequisites, skill performance, and graduation requirements for any additional specialty must be met and it must be conducted by a qualified Instructor Trainer or IT Staff Instructor.

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SDI Scubility Diver Program

The SDI Scubility Diver Program is designed to give physically disabled divers the necessary skills and techniques used to conduct open water dives in conditions similar to their training without the direct supervision of a SDI Scubility Instructor. However, some SDI Scubility divers require supervision of a qualified SDI Dive Buddy.

The SDI Scubility Diver Program takes a closer look at the techniques and equipment adjustments to meet a disabled divers needs allowing individuals to dive with safe diving practices.

The following courses are offered under the SDI Scubility Diver Program:

  • Scubility Snorkel Diver Course
  • Scubility Scuba Discovery Program
  • Scubility Surface Buddy Program
  • Scubility Open Water Diver
  • Scubility Inactive Diver / Refresher Program
  • Scubility Advanced Diver
  • Scubility Diver Buddy Program

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SDI Shallow Water Scuba Diver

shallow water equip

The SDI Shallow Water Scuba Diver course will teach you the necessary skills and techniques associated with using a shallow water scuba system.

Shallow water scuba systems were designed to be an all-in-one piece of equipment that is compact, light, and easy to assemble.

Whether you are a water enthusiast looking to swim around a shallow reef or a boat owner seeking an option to look underneath their vessel for maintenance, the SDI Shallow Water Scuba Diver course is for you!

Upon successful completion of the SDI Shallow Water Scuba Diver course, graduates may conduct open water dives in conditions similar to training using a shallow water scuba system to a maximum depth of 9 metres / 30 feet.

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