“We have always been taught that navigation is the result of civilization, but modern archaeology has demonstrated very clearly that this is not so.” Thor Heyerdahl
It could be argued that navigation has held a special fascination for our species since we first walked upright. Certainly, the history of exploration and discovery – the sisters to navigation – would have been a different cloth were it not woven with early attempts at accurate navigation. Long before the arrival of the magnetic compass to Europe, the Vikings guided by nothing more than bravado, a mighty sense of adventure and a rudimentary navigational aid akin to a sundial, sailed across the top of the Atlantic Ocean and made landfall in present-day Newfoundland, Canada. read more →
One of the most important skills a diver can have is good navigation, this could be with a compass or by natural formations. The SDI Underwater Navigation Diver course will teach you the necessary skills to navigate using a compass and natural navigation. During the course your SDI Instructor will teach you: read more →
TDI Nitrox course is an entry level course for divers wishing to utilize enriched air nitrox as a breathing gas. Little else has impacted recreational diving more than the introduction of nitrox, allowing more time underwater. During this course, you will learn the benefits, hazards and proper procedures for diving with EAN 22 to EAN 40 your TDI Instructor will also cover
- Equipment considerations
- Cylinder labelling
- Analysing of Nitrox
The course follows an easy to read and understand diver manual titled Understanding Nitrox and water proof tables for quick on site reference.
While taking your Open Water Scuba Diver course you learned the basics of how to control and use your buoyancy, now take the SDI Advanced Buoyancy control course and make diving even more effortless and truly enjoy the freedom from gravity. Some of the tricks you will learn from your SDI Instructor include
- Breath control
- Proper weighting
- Placement of trim weights
- Body position and trim
- Streamlining equipment
- Factors that affect buoyancy
Scuba diving from boats is an everyday occurrence. Whether on a private vessel or one of the many charter dive boats available worldwide, divers are frequently not aware of the special procedures and etiquette used when boat diving. The SDI Boat Diver course will introduce you to some different types of boat diving and the skills needed to plan and conduct a boat dive with maximum safety. The list of skills and knowledge you will obtain during this course is long an includes
- Safe entries and exits
- Proper stowing of equipment
- Safety procedures
- Planning boat dives
- Drift diving from live boats
During the course you go on two dives on our own dive charter boat and put to use the valuable information you have learned
The SDI Computer Nitrox course is a great next step after the Open Water Diver certification and is structured in an easy to understand manner by making use of a Nitrox programmable computer. Nitrox as a breathing gas has a lot of benefits for both new and experienced. The course will cover the use of Nitrox mixtures from 22 to 40 percent oxygen. The benefits of using Nitrox include
- Increased safety margins
- Reduced post dive fatigue
- Extended no-decompression times
The CPROX course is a straight forward no nonsense approach to teaching you as the first responder to an emergency how to handle the situation. The course is Cardiopulmonary Resuscitation and Emergency Oxygen administration combined into one program. You will learn how to use what is at your disposal to treat and stabilize victims until medically trained professionals arrive. Subjects that are covered included
- Scene assessment
- O2 administration
SDI’s Deep Diver course is a must for any diver wishing to explore a little more and will teach you the risks and benefits of deep diving. Many interesting sights lie just beyond 18m/60ft such as beautiful wall dives, ship wrecks, and critters that don’t come into the shallows. During the course, your SDI Instructor will take you on two dives to cover skills like
- Proper descents
- Air management
- Effects of nitrogen narcosis
- Dive planning,
By the end of the course your knowledge and comfort level will have increased. The Deep Diver course has a maximum depth of 40m/130′, the suggested sport diving limit.
For those divers wishing to go a little father or a little faster, the SDI Diver Propulsion Vehicle course (DPV) is the perfect course. This course is also ideal for divers needing a little assistance getting through the water due to leg problems. While taking the course your SDI Instructor will teach you about
- Battery burn times
- Selecting a DPV
- Ear equalizations
- Care and maintenance of the DPV
Some of the best dives in the world are found in currents where the nutrients are rich and ready to be feed on by soft corals, sponges, and Manta rays. Whether you’re planning on drifting down a wall or shooting through a passage, the SDI Drift Diver course will teach you the techniques for doing it safely. The course covers
- Tides and currents
- Buddy procedures
- Entries from live boats
- Buoyancy control
The SDI Dry Suit Diver course will open up a whole new world of diving to you. Many of the waters around the world are better dove in a dry suit. These waters have an abundance of marine life waiting to be seen and photographed, dry suits are also being used in tropical waters during the cooler months. Your SDI Instructor will teach you
- Selection of a dry suit
- Care and maintenance
- Emergency procedures
- Proper weighting
- Buoyancy control
There are many things that you as a diver can do to maintain your equipment and the SDI Equipment Speciality course is just the place to learn how to do that maintenance. This course covers BCs’, regulators, wetsuits, dry suits and many more of the equipment items used while diving. Your SDI Instructor will teach
- Proper cleaning of equipment
- Proper storage
- Transportation and storage of dive cylinders
Divers often have a need, or want, to effectively communicate underwater. The SDI Full Face Mask Course is the perfect starting point. Full face mask diving allows the diver to relax and enjoy diving while not worrying about maintaining the second stage regulator. In addition, the full face mask will help insulate the diver from a cold water environment.
As divers, we have a vested interest in protecting the marine environment. In many cases, divers do not have environmental information about their own local sites. The SDI Marine Ecosystems Awareness speciality will increase the Open Water Diver’s understanding of marine environments, the problems facing these unique ecosystems, and the role that divers can play in protecting our marine resources. Your SDI Instructor will cover your local diving ecosystems as well as others around the globe.
Many divers find that night diving is their favourite type of diving. As with all speciality diving applications, procedures are different than those associated with Open Water Diving. The purpose of the SDI Night & Limited Visibility Diver course is to acquaint the Open Water Scuba Diver with the procedures, techniques, and potential hazards associated with diving at night or in limited visibility. By becoming familiar with the use of dive lights and night diving techniques such as navigation
- Buddy system procedures
- Buoyancy control
- Interacting with nocturnal aquatic life
You will be able to enjoy night diving with maximum safety and comfort.
The SDI Research Diver course will acquaint the open water diver with the fascinating topic of Research Diving. After the completion of this course, you will be better able to discover, explore, and appreciate the underwater environment by using research techniques and better preserve and protect the underwater environment. Some of the topics your SDI Instructor will cover include
- Food chain
- Data collection
- Survey techniques
- Basic oceanography
SDI’s Search and Recovery Diver speciality will teach you the basic of searching for a lost object from outboard boat motors to jewellery. You will also learn to recovery the object once it is located this includes the use of lift bags and tying lines underwater to secure and lift the object. Your SDI Instructor will cover skills such as
- Carrying deploying and attaching lift bags
- Conducting search patterns
- Entanglement avoidance
- Recovering and preserving objects
Many great dives are located just off shore and can be easily accessed from shore. The SDI Shore and Beach Diver course will teach you the proper techniques for entries and exits, navigation, avoiding currents, and planning of safe shore dives.
One of SDI’s most popular courses, the solo diver program teaches experienced recreational divers how to safely dive independently of a dive buddy or strengthen your buddy team skills. The course stresses on proper dive planning, personal limitations, accident prevention as well as the benefits, hazards, and proper procedures for diving solo. You will also learn the additional equipment that is required for solo diving including it’s proper usage and assembly. This is the prefect course for underwater photography and underwater video divers.
Wreck diving can be one of the most exciting aspects of sport diving and can uncover pieces of history seen by few others, however every effort must be made to maximize safe diving techniques. In the SDI Wreck Diver course, we will discuss and use equipment and techniques commonly employed while wreck diving. This course may be taught as a 1) non-penetration (2 total dives) or 2) limited-penetration (3 total dives) course. In the event of “Limited Penetration Training,” limited penetration is defined as “swim through or within the ambient light of entry point,”. Your SDI Instructor will teach you how to safely plan and execute wreck dives in a fun and enjoyable way.
The SDI Underwater Hunter Collector course will teach you the proper techniques for collection and hunting of certain species of marine life. You will learn which species can be taken according to local laws and regulations and how this collection can be done safely with low environmental impact. During the two dives with your SDI Instructor you will
- Use collection devices
- Practice on underwater targets
- Identify habits
Making a dive and seeing wonders of the aquatic environment can only be topped by taking pictures of it to share with friends and family. The SDI Underwater Photography course allows you to experience some of the special considerations of underwater photography, with a discussion of many areas of interest to the photographer. Your SDI Instructor will assist you in selecting a camera, good buoyancy techniques, lighting, and framing of the perfect shot. Whether you want to use film or digital this course and your SDI Instructor will teach you what you need to know.
Most divers have a desire to bring home the sights and sounds of being underwater, if a picture tells a thousand words a video tells a thousand words per second. The SDI Underwater Video course makes it possible for you to save your underwater experiences and share them with others. Shooting underwater video is fun, exciting, and easy to learn. Some of the things you will learn during the course are equipment, techniques, and procedures needed to plan and shoot underwater video with maximum safety.
One of the most important skills a diver can have is good navigation, this could be with a compass or by natural formations. The SDI Underwater Navigation Diver course will teach you the necessary skills to navigate using a compass and natural navigation. During the course your SDI Instructor will teach you
- Compass features
- Distance estimating
- Reading ocean bottom contours
- Practice skills
Atlantic Scuba dive school, Cornwall and the south west’s only SDI 5* centre, UK.