Programs / courses

The objective of the Commercial Deep Sea Diving and Professional Commercial Diving Technology Programs is to prepare you for entry-level employment as a commercial diver, tender, or underwater welder. The curriculum, training, and real-world experience are carefully designed to develop your ability to follow standard professional practices in order to operate independently, work safely, and act wisely.

Courses include:

  • Diving and Welding Training
  • Specific Types of Diving
  • Equipment
  • Health and Safety


Diving and Welding Training

Mixed Gas Diving
This course introduces you to one of the most advanced phases of diving. Emphasis will be placed on the types of gases used in diving. You will further develop the concepts of operating a mixed gas rack and performing open water mixed gas dives from a diving stage.

This course introduces you to the concepts of saturation systems and personnel transfer capsules and the various life support systems commonly used by employers.

Underwater Cutting and Welding
Welding is one of the main events in our training program. DAI is a Lincoln Electric-sponsored welding school and we are proud to feature training on Lincoln welding equipment, including the new state-of-the-art Lincoln VRTEX 360. This virtual welding system will help you analyze and perfect your welding skills. You will learn wet-shielded metal-arc welding and underwater burning and then continue to develop and refine these skills through extensive practice, enabling graduates who excel in this area to qualify for AWS D3.6 field test with prospective employers.

Decompression and Treatment Tables
After understanding how pressure affects the body, you will study decompression. This course includes recompression chamber operations, decompression procedures, air decompression tables, repetitive dive tables, mixed gas (HeO2) decompression tables, routine and emergency dive medicine treatment tables, air and O2 treatment tables, surface decompression and altitude diving procedures.

Because the diving professional must be able to communicate clearly and accurately, this course presents you with the visual, voice and line pull communications systems between the diver and topside tenders.

Dive Tending
The ability to properly set up and maintain a safe dive station is often the first responsibility an employer will assign. You will acquire techniques in proper dressing and undressing, water entry and descent, signals and communication, rate of ascent and decompression, and recording dive charts and timekeeping. You will be introduced to air systems, chamber operations, and dive helmet maintenance. You will also continue to master dive charts and air decompression tables.

Upon successful completion, you will be certified to the American Petroleum Industry, RP-2D standard. Rigging skills and the ability to tie knots are valuable skills for a diver to master. You will learn to identify various fiber and synthetic lines and associated hardware. You will become familiar with the concepts of computing safe working loads; master the skill of knot-tying to include bends, hitches, and splicing line; and progress onto various essential rigging tools.

Underwater Projects
This course refines and integrates practical skills with real-world scenarios designed to build and correlate with the functions of the diving industry. As you rotate through a variety of responsible positions, you will learn to think critically and to make decisions and learn techniques essential for successful careers and advancement. This course includes flange assembly projects.

Dive Boat Seamanship
You will learn to perform in a real world environment from our barges. Scenarios are designed to give you the opportunity to refine and to integrate your commercial diving skills. You will develop the skills of small craft safety and Rules of the Road.

Inspections and Report Writing
It is imperative for graduates to be able to read and understand employer’s job plans. You will be introduced to proper inspection procedures and will develop report writing skills and blueprint reading, job hazard analysis, and material handling procedures.

Specific Types of Diving

Offshore Oil Operations
The offshore industry specializes in oil rig platforms and pipeline inspection, maintenance and repair. You will be introduced to the nomenclature of the various types of structures. As you advance in the program you will refine your skills while performing a pipeline flange assembly on our pipeline project, as you safely conduct surface decompression dives in the hyperbaric chamber. This is an advanced project that is as exciting as it is challenging.

Inland Diving Operations
Divers Academy International is the leading Inland Diving school and was the first school to introduce Inland Dive training. Inland diving is fast becoming the leading area of growth in the commercial diving industry due to aging harbors, bridges and the evolving diversity in technology and increasing regulations governing inland structures. Working in the country’s rivers requires special skills and procedures for zero visibility diving and working with fast moving currents and tidal changes. You will become proficient in vessel inspections, intake structures, dams, water treatment plants, traveling water screens and be able to perform a pipe penetration inspection on our pipeline system project.

This course will include salvage theory, types of vessel salvage, and stability factors and buoyancy. You will be instructed in dewatering methods, gas hazards, towing principles, cofferdams and the use of lift bags. As rigging skills and diving skills are enhanced, you will concentrate on combining skills to perform a boat salvage project.

Bridge Inspections
Bridge inspection requirements have increased substantially, causing a large demand for divers in the inland commercial diving community. You will be introduced to the proper nomenclature and bridge elements, how to evaluate damage, the various techniques for evaluating steel, concrete and timber substructures and proper waterway evaluation based on the Bridge Inspectors Reference Manual.

Non-Destructive Testing (NDT)
NDT MAG Particle and NDT Liquid Penetrant Certifications are provided after successful completion. Retrieving data for evaluation has become an essential part of inspecting structures for strength and soundness. Technology has revolutionized non-destructive inspection abilities. The most popular underwater application is MAG Particle and Liquid Penetrant. You will learn to perform flaw detection and inspection techniques.

Pipe Penetration
Resources are pumped through pipelines or transferred through filtration systems which require divers to perform pipe inspections internally. This course will prepare you to effectively develop the skills required to operate safely in this environment while penetrating inside and outside a pipeline.

You receive 40 hours of training certification under OSHA’s HAZWOPER standard, covering hazard recognition and control, basic chemical and toxicological principles and decontamination procedures. This training is a basic requirement for workers with hazardous materials and for diving in contaminated waters.


Underwater Tools
The most common tools used underwater are pneumatic and hydraulic. Upon completion, you will be familiar with the use of impact wrenches and grinders. You will have acquired hands-on training of airlifts and wrenches.

Hot Water Systems
You will experience diving hot water systems while performing open water mixed gas dives. You will be exposed to the safety procedures required when working in and around hot water systems. This is a sought-after skill by employers that work with mixed gas and adverse weather conditions.

Commercial Scuba
The commercial scuba course, as it relates to commercial diving, will include nomenclature and function of equipment, pool training, charging air tanks, maintenance and safety precautions, and search procedures. PADI scuba certification is not included in this class but is available through the school store.

Hyperbaric Chamber Operations
As a professional in the commercial dive industry, you will be required to use hyperbaric chambers to perform decompression dives on a regular basis. This course covers hands-on chamber operations as inside and outside operators, timekeeping, the importance of proper communications and intercom systems, various chamber piping systems, lock-out and lock-in procedures, and practical decompression dives.

Underwater Video, Monitoring & Recording Devices
This course introduces you to the various applications for underwater videography and monitoring equipment. Today’s workplace relies heavily on informational data collected through the use of video monitoring.

Remotely Operated Vehicles
ROVs are one of the most advanced pieces of search and recovery equipment in today’s industry. This course features the new state-of-the-art Video Ray ROV system, and introduces you to the operations, field maintenance and search procedures needed to continue to develop and refine your skills.

Diving Equipment Maintenance
You will become familiar with the latest brands and styles of equipment currently used in the industry. You will be introduced to advanced commercial air and mixed gas dive helmets, including Superlite 17 helmets, Superlite 27, 37, 77 helmets, Desco commercial hard hats, and Miller diving helmets. You will progress onto repair of dive helmets and the diver’s umbilical assembly. You will be introduced to diver manifold systems with pneumofathometers, diver intercom systems, and air systems diagramming.

You will be certified in the proper maintenance of Dive Systems International (DSI) helmets and will receive DSI hat maintenance certification upon successful completion of the course.

Health and Safety

Diving Physics & Physiology
You will acquire the knowledge of the effects of pressure on the body. Through carefully planned instruction, you will study pressure, how to select and calculate proper air supply and required proper breathing mediums, and the importance of buoyancy controls.

Safety Standards
Safety standards will cover OSHA and Coast Guard Regulations, as well as the ADCI Standards of safe dive practices, IMCA Standards and all of our affiliated association industry safety standards.

First Aid & CPR
This course will provide you with the knowledge and skills necessary to prevent, recognize, and provide basic care for injuries and sudden illness until advanced medical personnel arrive. Upon successful completion, you will receive your oxygen provider certification.

Oxygen Provider
You will receive training in anatomy and physiology and be instructed in treating diving injuries. The hazards and benefits of oxygen will be covered in this course, as well as oxygen delivery systems. Upon completion, you will have gained the knowledge for providing oxygen to an injured diver.

Medical Aspects of Diving
You will receive training in anatomy and physiology and be instructed in the prevention and treatment of diving injuries. You will learn about the primary and secondary effects of pressure on the body and be introduced to air and oxygen treatment tables. You will also become familiar with environmental hazards and marine life.