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Questions & Answer

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Becoming a Certified Diver is a cool thing! The Certification (i.e.  H. Obtaining a Diver's License) involves three phases:

1. Knowledge Development:

During the first phase of your scuba diving course, you will learn basic principles of scuba diving such as:

  • What to consider when planning dives.

  • How to choose the right scuba gear for you.

  • Underwater signals and other diving procedures.


You can acquire this valuable information by reading the PADI Open Water Diver Manual or the Tablet Version  PADI Open Water Diver Touch™  using, or by going online with the  PADI eLearning®  pProgramm. At the end of each chapter, you'll answer questions about the content to make sure you understand everything. As you learn, let your PADI Instructor know if there is anything you don't understand. At the end of the course, you will be required to answer the final exam questions, ensuring you have a solid understanding of the basics of scuba diving.

You will also watch videos previewing the scuba skills you will be practicing in a pool or body of water with pool-like conditions. In addition to the video, your instructor will demonstrate each of the scuba skills.


2. Confined Water Dives:

This is where the real thing takes place – DIVING. You will learn the basic skills of scuba diving in a swimming pool, or in a body of water with conditions similar to a swimming pool - in PADI this is called "Confined Water"; this can also be a limited area in open water such as a calm lake. The basic scuba skills learned in your scuba diving course will help you become comfortable with your scuba gear and explore the underwater world. Some of the most important skills you will learn are:

  • Setting up your scuba gear.

  • How to get water out of your scuba mask.

  • Getting in and out of the water.

  • Buoyancy control.

  • Basics of navigating underwater.

  • Security procedures.


You will practice these and other skills with your Instructor until you feel comfortable doing them. When you're ready, it's time for your first underwater adventure at an open water dive site, i.  H. in a lake or in the sea.

3. Open water dives:

After your confined water dives, head to open water (ie.  H. in a lake or in the sea) where you will do four dives with your instructor, usually spread over two days. During these dives you will explore the respective underwater world. You'll apply the scuba skills you've learned in confined water while enjoying what the local underwater environment has to offer. Most student divers do these dives in the area where they live, but with PADI there is also the opportunity to complete your diver training while on vacation. Your PADI Instructor can explain how to transfer you to another PADI Instructor in a different location.


Your scuba gear allows you to visit the underwater world by allowing you to breathe underwater, see clearly and move around comfortably. This gear will help you go from being a "land creature" to being a little "underwater creature" - if only for a short time. The diving mask lets you see clearly. The regulator (also known as the regulator) provides you with the air you need to breathe. Fins allow you to swim efficiently, and a wetsuit helps you stay warm underwater. Whether you're just starting out or are an experienced diver looking for new gear, you'll find helpful suggestions and tips here. Remember that the three most important considerations when choosing scuba equipment are: it must fit you well, you must be comfortable in it, and it must be appropriate for the environment. But you don't have to do without an attractive color scheme to look good in your diving gear. Your local PADI Dive Center is the place to go for more information and advice on finding the best scuba equipment for you.

Learn more about scuba gear - how to choose gear that's best for you; visit our page  diving gear .


You can dive almost anywhere there is water, and the individual pieces of your scuba gear will vary only slightly depending on the environment you're diving in. Scuba gear falls into four general categories, but some items belong to all categories; for example, you will use your diving mask in all diving environments.

  • Equipment for diving in warmer waters -  In warm, clear water, you need minimal protection from the cold and other environmental elements, allowing you to choose streamlined, lightweight gear. Use the following diving equipment in water temperatures of 24° and above  C / 75°  f

  • Scuba gear for cooler water -  If you are equipped for diving in moderate temperature waters, you have maximum flexibility because you can dive in the tropics as well as in water that is a little cooler. The following diving equipment is used at a water temperature of 15-24°  C / 60-75°  f

  • Equipment for diving in cold water -  Diving in cool/cold climates is often spectacular. With a good wetsuit to protect you from the cold and the right gear, you'll be comfortable diving in cold water. Use the following diving equipment when the water is colder than 15°  C / 60°  f is


In Technical Diving (tec diving), the appropriately trained divers go beyond the limits of recreational diving. Tec diving requires additional experience, training and (of course) equipment.

Recreational divers (usually) use only a single scuba tank, while tec divers typically use twin tanks or closed-circuit rebreathers (CCRs) and carry one or more tanks, each filled with a different gas mixture.

Tec divers are usually equipped with one or more fully independent regulators and dive computers, as well as other backup components.

search your PADI Dive Center or Resort  for advice on tec diving gear; Below is what typical tec divers use in terms of gear:

  • Main and backup mask - Even if as a mask any diving mask  is viable, tec divers prefer compact masks that have minimal water resistance. A spare mask is carried in a pocket in case the main mask is lost or damaged.

  • Fins - Tec divers often use drysuits, which require large fins with an open toe and adjustable fin strap.

  • Wing Jacket and Harness - A large volume one BC  with a backup buoyancy compensator located between the “harness” (the attachment) and the scuba tank. The backup BC is required because a tec diver may be too heavy to swim to the surface should the BC fail. The harness consists of a unit with shoulder, waist and crotch straps, with which the scuba tank is held on the back of the diver. Equipment can be attached to D-rings on the shoulders and waist.

  • Main and secondary regulators - The main regulator  features a 2 meter / 7 foot hose to share breathing gas with a dive buddy in an emergency. The secondary regulator serves as a stand-alone backup in case the main regulator fails. The secondary regulator is also used when sharing gas with a buddy who is breathing from the main regulator.

  • Double tanks, decompression tanks / stage tanks - Die scuba tanks  large capacity are filled with compressed air, enriched air nitrox (EANx) or trimix, depending on the requirements of the dive. An independent decompression bottle with regulator is hung on the side of the "harness". Additional tanks are used to increase dive time and/or to carry a breathing gas to optimize decompression. Tec divers often use twin tanks.

  • Multigas dive computer and pressure gauge - dive computer  - a main computer and a backup computer - track and display the decompression requirements; they allow tec divers to switch between the different gas mixes to optimize the decompression process. If not integrated into the dive computers, the pressure gauge  based on the cylinder pressure at any time how much breathing gas is still in the cylinders.

  • Drysuit - Provides an adequate cold protection  for a comfortable dive, even over a longer period of time.

  • Other Equipment - Compass, Slate, DSMB Buoy, Emergency Beacons, Backup Dive Tables, Dive Knife, Scissors, Safety Reel, Lift Bag.


When snorkeling you look at the underwater world from the surface with a mask and snorkel. Snorkelers don't need to have any training and just stay on the surface most of the time. Snorkel diving takes it a step further by descending from the surface for short periods of time. Snorkel divers may have training that has taught them specific skills, such as descending efficiently and clearing their snorkel. Freediving uses advanced breathing techniques and descent techniques to increase time underwater. Through training, freedivers learn to conserve oxygen when holding their breath; different freediving disciplines are practiced, such as static apnea, dynamic apnea, free immersion and constant weight freediving.


The PADI Freediver course consists of the following three parts – Knowledge Development, a Confined Water Session and Open Water Sessions. As you develop your skills, you will learn how your body responds to breath holding and how the water pressure affects you as you descend. You will also learn about freediving equipment, important safety rules and buddy procedures.
In confined water, such as a swimming pool, you will learn breathing techniques and then practice holding your breath while floating on the surface (static apnea) and swimming (dynamic apnea). You'll also practice basic rescue techniques and learn your role as a buddy.
During at least two open water sessions, you will practice breath-holding descents, either by pulling yourself down on a line (free immersion) or by snapping at the hip at the surface and keeping weight constant (constant weight freediving). follow a leash down. You learn to increase your depth step by step by relaxing and enjoying each dive. Rescue drills are another important part of open water lessons.

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