Diver_training

Diver training is the process of developing skills and building experience in the use of diving equipment and techniques so that the diver is able to dive safely and have fun.

Not only is the underwater environment hazardous but diving equipment can be dangerous when used by the untrained; there are many unexpected problems that the new diver must be taught to avoid. Also, beginners need practice and a gradual increase in experience to build their confidence in their equipment and themselves, to develop the skills needed to control the equipment and to respond safely when they encounter difficulties.

Most commercial operators and dive clubs serving divers insist that each diver is able to show them "certification", evidence of a minimum level of training, for the type of diving the diver intends to do. Reputable dive operators, dive shops and compressor operators refuse to allow uncertified people to dive, hire diving equipment or fill diving cylinders.

Sources of diver training

Many diver training organizations exist, throughout the world, offering diver training leading to certification: the issuing of a "C-card" or qualification card.

A good dive training organization, such as a dive school based at a dive shop, will always offer courses to the standard of a recognized certification organization, such as those listed below. Many dive shops in popular holiday locations offer courses that can teach you to dive in a few days, and can be combined with your vacation. Upon completing the course the student is issued a certification card.

Many diver training organizations exist:

• Entry-level recreational SCUBA diver training organizations:
  • using professional instructors. Examples of this type are ACUC,SCUBA Diving International, SSI, PADI and NAUI
  • amateur instructors. An example of this type is the British Sub Aqua Club
• Technical recreational SCUBA diving organisations. Examples of this type are ANDI, DSAT Tec (PADI), GUE, IANTD, TDI, USC (SSI), and NAUI Tec
• Commercial diver training organizations. Train divers for professional diving using SCUBA, surface supplied diving and saturation diving equipment and techniques.
• National navies and armed forces. Train divers for ship maintenance, salvage and repair, rescue, mine clearance and covert operations using SCUBA and more advanced equipment and techniques.

Location of training lessons

Initial training typically takes place in three environments:

• Classroom - where material is presented and reviewed
• Swimming pool - where skills are taught and practiced in confined water
• Open Water - where the student demonstrates the skills he or she has learned.

Typically, early open water training takes place in a local body of water such as a lake, a flooded quarry or a sheltered and shallow part of the sea. Advanced training mostly takes place at depths and locations similar to the diver\'s normal diving locations.

The usual sequence for learning most diving skills is to be taught the theory in the classroom, be shown the skill and practice in the pool using the minimum equipment, then practice again in open water under supervision in full equipment and only then use the skill on real dives.

Training topics

• Basic diving theory:
  • Diving physics
  • SCUBA Equipment
  • Human physiology
  • Diving hazards and precautions
  • Diving signals
  • Buddy system

• Basic water skills:
  • Finning and mobility in-water
  • Wearing a diving mask
  • Snorkeling
  • Shallow free-diving
  • Entering and exiting the water (seated entry, ladder exit, giant step entry, etc)

• Basic open circuit scuba equipment skills:
  • Preparing the scuba equipment
  • Buddy check
  • Breathing from an scuba equipment
  • Buoyancy control using the Buoyancy Compensator and the lungs
  • Ascents and descents
  • Diving mask clearing and demand valve clearing
  • Air sharing
  • Air sharing ascent

• Basic Rebreather skills:
  • Preparing the Rebreather
  • Buoyancy control using the Rebreather
  • Ascents and descents
  • Diving mask clearing and mouthpiece draining
  • Bailing out
  • Bail out ascent
  • Diluent flush

• Dive planning skills:
  • Buddy system
  • Use of decompression tables
  • Use of Dive computers
  • Breathing gas requirement calculations
  • Safe dive site selection
  • Precautions for night diving and drift diving

• Dive leading skills:
  • Depth and time discipline
  • Air management
  • Use of surface marker buoys
  • Use of decompression buoys
  • Use of distance lines
  • Use of diving shots
  • Compass navigation
  • Underwater pilotage
  • Doing decompression stops

• Diver rescue techniques:
  • Controlled buoyant lift
  • Towing a diver and landing a casualty
  • In-water artificial respiration
  • CPR on land
  • Oxygen first aid on land
  • General First aid

• Technical diving techniques:
  • Using Nitrox as a bottom gas
    • Analyzing proportion of oxygen in a breathing gas
    • Calculating maximum operating depth of a breathing gas
    • Calculating equivalent air depth of a breathing gas
  • Using Nitrox as a decompression gas
    • Planning accelerated decompression stops
  • Normoxic Trimix as a bottom gas
  • Hypoxic Trimix as a bottom gas

• Vocational techniques:
  • Cave diving techniques
  • Wreck penetration
  • Underwater photography
  • Underwater videography
  • Underwater archeology
  • Marine life identification
  • Marine biology

• Dive group leading skills:
  • Selecting dive sites using nautical charts
  • Tides and use of tide tables
  • Weather influences and prediction
  • Group diver rescue management techniques
  • Dive group safety, prevention and supervision
  • Underwater search and recovery skills
  • Underwater survey skills

• Logistical skills:
  • Boat handling and seamanship
  • Boat navigation and position fixing
  • Diving air compressor operation
  • Gas blending
  • Use of group equipment such as diving shots and decompression trapezes
  • Recompression chamber operation

• Instructor skills:
  • Teaching diving theory
  • Teaching personal diving skills
  • Teaching group diving, safety and rescue skills
  • Teaching boat handling, seamanship and navigation skills
  • Teaching instructing skills

Scuba training for younger members

See About training younger children to scuba dive. Some clubs restrict younger children to snorkeling; however, some do not. Some clubs have a special name, Scuba Rangers, for their younger members\' group. One word sometimes so used is "Tadpoles" (by extension from the word "frogman").

External links

Scuba Diver Training Agencies at the Open Directory Project

This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia