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Recreational SCUBA Diving. Presented by Shaun Sykes. Topics of Discussion. SCUBA – Its meaning and history Equipment How to dive/types of dives After you learn, what then? Health and safety Dive sites and statistics Summary. What Does it Mean? History?.

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recreational scuba diving

Recreational SCUBA Diving

Presented by Shaun Sykes

topics of discussion
Topics of Discussion
  • SCUBA – Its meaning and history
  • Equipment
  • How to dive/types of dives
  • After you learn, what then?
  • Health and safety
  • Dive sites and statistics
  • Summary
what does it mean history
What Does it Mean? History?
  • SCUBA – Self Contained Underwater Breathing Aparatus
  • Long history dating back from 332 BC
  • Modern fins, mask and snorkel tubes were developed by fishermen from America, Russia, France and England in the 1920s and 1930s
history continued
History continued
  • Recreational SCUBA Diving began between 1942 - 1943, after Emile Gagnan and Captain Hacques –Yves Cousteau developed the self-contained “Aqua-Lung” and new regulator that was automatic.
  • Cousteau took many successful, experimental dives with his friends, wife and two sons, making this an experimental family trip and experience.
Mask- Device covering eyes and nose, allowing you to see underwater

Fins – Device put on the feet to extend the kicking motion underwater.

equipment continued
BCD or BC – (Buoyancy compensator device) Device/jacket that controls buoyancy up or down

Regulator – Device that delivers air to you on demand at reduced pressure

Equipment continued
equipment continued7
Pressure gauge – (SPG- Submersible Pressure Gauge) Device that tells diver how much air they have left

Weights – Lead weights used to weigh down divers for depth decent

Equipment continued
equipment continued8
Snorkel – Device used to breath air close to or on the surface of the water

Body suit – Warm temperature suit that protects the body against abrasions and stings

Equipment continued
equipment continued9
Wet suit – Insulated suit used to keep the body temperature in

Dry suit – Used to keep the diver dry and warm in colder temperatures

Equipment continued
recommended diving apparel

High 80s

80º - 90º F

75º - 80ºF

70º - 80ºF

50º - 70ºF

Below 50ºF

What to wear

A Lycra body suit, a shorty, or a dive jacket (the top of a two-piece suit)

A shorty, a dive jacket, or a full-length, one-piece, 3mm wet suit

A 3mm one-piece jumpsuit, or a two-piece wet suit

A 5mm full-length wetsuit, a two-piece wetsuit, or a dry suit with light weight insulating garments

A 7mm full-length two-piece wetsuit with gloves and hood, or a dry suit with insulating garments

A dry suit with insulating garments, hood, gloves or mitts, and possibly face mask

Recommended diving apparel
how to dive types of dives
Types of dives – Boat, shore, pier

How to enter the water – if on shore, walk into the water without fins, then put them on in the water

- If entering rough water, put fins on and walk in backwards

If on a boat or pier

Giant Stride

Backward roll

Controlled Seated entry

Group entry

How to dive/types of dives
how to dive types of dives continued
How to dive/types of dives continued
  • Decent
  • Travel under water
  • Hand signals
  • Ascent

Other types of dives –

  • Seawater, Freshwater, Wreck, Cave, Night, Drift and Ice
after you learn then what levels of specifications
Pre-open water certification – Open Water Certified

Non – professional certification – Advanced SCUBA diver and Master SCUBA diver

Professional – Divemaster, Skin-diving instructor, assistant instructor and Instructor

Specialties open to recreational divers – Underwater photography or videography, wreck diving, night diving, boat diving, ice diving, cavern diving, dry suit diving, Nitrox diving, search and recovery, career diver, etc.

After You Learn, then what?Levels of Specifications
health and safety the hazards of diving
How soon to fly after diving – old vs. new philisophy

DCS – Epidermal or cutaneous, muscular, joint and limb pain and neuroligical





Nitrogen Narcosis


Nitrogen Narcosis

Carbon monoxide poisoning

Gastrointestinal barotrauma

Heart problems

Ear infections


Breathing problems


Diving while pregnant

Health and Safety – the hazards of diving
dive sites
Worldwide: Papua, New Guines, Egyption Red Sea, Galapagos Islands, Equador, Great Barrier Reef, Australia, The Maldives, India, Great White Wall, Fiji, Bunhaken Island, Indonesia, Blue Corner, Palau and the Caribbean

United States: The Hawaiian Islands, Florida Keys, Catalina Island, California and many oceans, rivers, lakes and quarrys

Dive sites
  • 8.5 million certified SCUBA divers in the U.S., and 14.5 to 15.5 million divers worldwide
  • Top 6 states for SCUBA certification: Florida, California, Hawaii, Texas, Illinois and New York
  • SCUBA – Its meaning and history
  • Equipment
  • How to dive/types of dives
  • After you learn, what then?
  • Dive sites and statistics
  • Health and safety
web sites for scuba access research and resources
Web sites for SCUBA access, research and resources
  • PADI (Professional Association of Diving Instructors)-
  • DAN (Divers Alert Network) -
  • NAUI (National Association of Underwater Instructors)-
  • The Ultimate SCUBA source -
  • About SCUBA diving -
  • Joe Diver America -