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Defunct recreational diver training and certification agency
YMCA SCUBA Program (also known as Y-SCUBA) was an underwater diving training program operated by YMCA of the USA from 1959 to 2008. It was the first nationally
YMCA_SCUBA_Program
Recreational diver training and certification agency
underwater diving training program known as the YMCA SCUBA Program which ceased operation in 2008 and the PDIC Diving program becoming Scuba Educators International
Scuba_Educators_International
Worldwide youth organization
York YMCA SCUBA Program Y.M.C.A. (song) The Fédération Internationale de Volleyball credits Crocker for introducing volleyball to China via the YMCA. Crocker
YMCA
Swimming underwater, breathing gas carried by the diver
Scuba diving is an underwater diving mode where divers use breathing equipment completely independent of a surface breathing gas supply, and therefore
Scuba_diving
Self-contained underwater breathing apparatus
A scuba set, originally just scuba, is any breathing apparatus that is entirely carried by an underwater diver and provides the diver with breathing gas
Scuba_set
Copper helmet with rubberised canvas diving suit and weighted boots
ISBN 0-9508242-1-6. "Scuba Ed's - History of scuba diving". Archived from the original on 2013-10-27. Retrieved 2013-12-18. Scuba Ed's – History of scuba diving Newton
Standard_diving_dress
Australian conservationist (1962–2006)
the Baja California Peninsula in Mexico, Irwin heard via radio that two scuba divers were missing in the area. Irwin and his crew suspended filming to
Steve_Irwin
Special forces unit of the British Army
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Special_Air_Service
British ocean liner (1907–1915)
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
RMS_Lusitania
Skills required to scuba-dive safely
Scuba skills are skills required to dive safely using self-contained underwater breathing apparatus, known as a scuba set. Most of these skills are relevant
Scuba_skills
U.S. Navy's special operations force
UDT-12 and SEAL Team ONE, wrote of his training in 1964: “The training program for an officer lasts 21weeks and covered physical conditioning, swimming
United_States_Navy_SEALs
US non-profit youth organization
Category:YMCA Summer Camps Student Volunteer Movement YMCA of Greater New York YMCA of Metropolitan Chattanooga YMCA of Metropolitan Detroit YMCA SCUBA Program
YMCA_of_the_USA
Disorder caused by dissolved gases forming bubbles in tissues
times greater for males than females. DCS affects approximately 1,000 U.S. scuba divers per year. In 1999, the Divers Alert Network (DAN) created "Project
Decompression_sickness
German filmmaker (1902–2003)
unter Wasser, Riefenstahl lied about her age in order to be certified for scuba diving. Riefenstahl survived a helicopter crash in Sudan in 2000 while trying
Leni_Riefenstahl
British science fiction writer (1917–2008)
immigrated to Ceylon (now Sri Lanka) in 1956, to pursue his interest in scuba diving. That year, he discovered the underwater ruins of the ancient original
Arthur_C._Clarke
2018 international rescue mission in Thailand
the Asian Football Federation awarded the Wild Boars a two-year support program, providing the club with technical support, training equipment and 100
Tham_Luang_cave_rescue
Certification as competent to dive to a specified standard
required to prove their qualifications when booking a dive trip, hiring scuba equipment, having diving cylinders filled, or in the case of professional
Diver_certification
Origins and development of diving using breathing gas carried by the diver
the original on May 17, 2008. Retrieved May 23, 2008. YMCA Scuba. "Welcome to YMCA SCUBA!". YMCA. Archived from the original on December 4, 2000. Retrieved
History_of_scuba_diving
Ballast carried to counteract buoyancy
diving suits and aluminium diving cylinders, and buoyancy of the diver. The scuba diver must be weighted sufficiently to be slightly negatively buoyant at
Diving_weighting_system
English broadcaster and natural historian (born 1926)
positions at the BBC, working as controller of BBC Two and director of programming for BBC Television in the 1960s and 1970s. While his earlier work focused
David_Attenborough
Severely deficient supply of oxygen
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Asphyxia
Semi-submersible offshore drilling rig
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Byford_Dolphin
Producer of outdoor recreational products, with several brand names
use "scuba" as a word rather than an acronym. Their twin-hose regulator line was called the "Scuba"; hence, one of their later models, the Scuba Pro,
Johnson_Outdoors
2006 animal encounter accident
provide footage for Bindi the Jungle Girl, his daughter Bindi's television program. Irwin's death is believed to be the only fatality from a stingray captured
Death_of_Steve_Irwin
Techniques requiring specific equipment and procedures
breathe at the surface while the face is immersed. Scuba diving in open circuit and rebreather modes Scuba diving is a mode of compressed-gas diving with
Modes_of_underwater_diving
Human body core temperature below 35 °C (95 °F)
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Hypothermia
American engineer, vintner, and former NASA astronaut
the Mathematics, Engineering, Science Achievement (MESA) program, an academic preparation program that provides support to students from educationally disadvantaged
José_M._Hernández
Mechanism that controls the pressure of a breathing gas supply for diving
gases. The gas may be supplied from a scuba cylinder carried by the diver, in which case it is called a scuba regulator, or via a hose from a compressor
Diving_regulator
Recreational diver training and certification agency
experience, and not based on a specific training program, in 1973, later launching the modular scuba program. By 1979, PADI was producing 100,000 certifications
Professional Association of Diving Instructors
Professional_Association_of_Diving_Instructors
Flag signal indicating divers are in the water nearby
A diver down flag, or scuba flag, is a flag used on the water to indicate that there is a diver below. Two styles of flag are in use. Internationally
Diver_down_flag
Chemicals that prevent the condensation of water as small droplets on a surface
February 15, 2010. "Mask Care - Have a clear view every dive". The Scuba Doctor. The Scuba Doctor. Retrieved February 15, 2010. Dogey, Kent (July 26, 1991)
Anti-fog
Medical condition of lack of oxygen in the tissues
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Hypoxia_(medicine)
Treatment using scuba diving activities
Scuba diving therapy is a type of treatment that consists of a variety of scuba diving activities and exercises. Essential elements are increased body
Scuba_diving_therapy
Estimation of breathing gas mixtures and quantities required for a planned dive profile
Scuba gas planning is the aspect of dive planning and of gas management which deals with the calculation or estimation of the amounts and mixtures of
Scuba_gas_planning
Container to supply high pressure gas for diving operations
may be breathing gas used with a scuba set, in which case the cylinder may also be referred to as a scuba cylinder, scuba tank or diving tank. When used
Diving_cylinder
Special forces unit of the Royal Navy
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Special_Boat_Service
Set of detailed instructions to assist in workplace safety
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Standard_operating_procedure
Change in sea level due to gravity
system of pulleys to add together six harmonic time functions. It was "programmed" by resetting gears and chains to adjust phasing and amplitudes. Similar
Tide
Recreational diver training and certification agency
Scuba Diving International (SDI) is a Scuba training and certification agency. It is the recreational arm of Technical Diving International, a technical
Scuba_Diving_International
Underwater diving to a depth beyond the norm
of deep diving requires good physical conditioning. Using open-circuit scuba equipment, consumption of breathing gas is proportional to ambient pressure –
Deep_diving
Toxic effects of breathing oxygen at high partial pressures
who have conditions such as heart or lung disease not to use oxygen bars. Scuba divers use breathing gases containing up to 100% oxygen, and should have
Oxygen_toxicity
American novelist and underwater explorer (1931–2020)
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Clive_Cussler
Diving beyond the scope of recreational diving
Technical diving (also referred to as tec diving or tech diving) is scuba diving that exceeds the agency-specified limits of recreational diving for non-professional
Technical_diving
Organ system for circulating blood in animals
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Circulatory_system
Deaths occurring while scuba diving or as a consequence of scuba diving
Scuba diving fatalities are deaths occurring while scuba diving or as a consequence of scuba diving. The risks of dying during recreational, scientific
Scuba_diving_fatalities
Equipment used to facilitate underwater diving
or more efficient. Diving equipment used by recreational scuba divers, also known as scuba gear, is mostly personal equipment carried by the diver, but
Diving_equipment
Training process for people who do not dive at work
understanding of the basic principles, and the skills and procedures for the use of scuba equipment so that the diver is able to dive for recreational purposes with
Recreational_diver_training
Hunting for fish using a spear
may be done using free-diving, snorkelling, or scuba diving techniques, but spearfishing while using scuba equipment is illegal in some countries. The use
Spearfishing
USMC deep reconnaissance unit
snorkels and low-volume double lens dive masks are used. In addition to the SCUBA equipment used in amphibious mission-essential tasks, Force Recon maintains
United States Marine Corps Force Reconnaissance
United_States_Marine_Corps_Force_Reconnaissance
Use of high-pressure water jet for cleaning hard surfaces
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Pressure_washing
Irish safety freediver (1977-2017)
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Stephen_Keenan
Entry level recreational diving certification from CMAS
CMAS one-star scuba diver (also known as CMAS * diver, or just CMAS *) is the entry-level diving certification for recreational scuba diving issued by
CMAS*_scuba_diver
Outcrop of rock in the sea formed by the growth and deposit of stony coral skeletons
overfishing (e.g., from blast fishing, cyanide fishing, spearfishing on scuba), sunscreen use, and harmful land-use practices, including runoff and seeps
Coral_reef
Underwater fishing implement
to a gun or buoy. This is more commonly associated with spearfishing on scuba where excess cable or line can be problematic. Also it can be used in the
Speargun
Logistical aspects of scuba breathing gas
Scuba gas management is the aspect of scuba diving which includes the gas planning, blending, filling, analysing, marking, storage, and transportation
Scuba_gas_management
Respiratory impairment caused by submersion in liquid
accidents at night, either in foreign ports or under the influence of alcohol. Scuba diving deaths are estimated at 700 to 800 per year, associated with inadequate
Drowning
International organisation for underwater activities
representing European affiliates Scuba Educators International – Recreational diver training and certification agency YMCA SCUBA Program – Defunct recreational
Confédération Mondiale des Activités Subaquatiques
Confédération_Mondiale_des_Activités_Subaquatiques
Diving for the purpose of leisure and enjoyment
Department of Parks & Recreation. Retrieved July 19, 2013. YMCA Scuba. "Welcome to YMCA SCUBA!". YMCA. Archived from the original on December 4, 2000. Retrieved
Recreational_diving
South African diver (1974–1994)
Dreyer (7 August 1974 – 17 December 1994) was a South African recreational scuba diver who died in Bushman's Hole in South Africa. Cave diver David Shaw
Deon_Dreyer
Diver who remains underwater for 24 hours or more
Retrieved 14 April 2013. Davis, Michael (1979). "Immersion hypothermia in scuba diving". South Pacific Underwater Medicine Society Journal. 9 (2). {{cite
Aquanaut
Scuba component used to functionally connect diving cylinders
A scuba manifold is a device incorporating one or more valves and one or more gas outlets with scuba regulator connections, used to connect two or more
Scuba_manifold
American writer, botanist, and SCUBA and aviation enthusiast
and underwater photographer. He wrote Basic Scuba. Self-contained underwater breathing apparatus, a 1960 scuba-diving manual, it was among the earliest comprehensive
Fred_M._Roberts
Physiological response to sudden exposure to cold
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Cold_shock_response
Places that divers go to enjoy the underwater environment
Recreational dive sites are specific places that recreational scuba divers go to enjoy the underwater environment or for training purposes. They include
Recreational_dive_sites
US government scientific agency
Federal Coordinator for Meteorology, the NOAA Central Library, the Office of Program Planning and Integration (PPI). The National Weather Service (NWS) is tasked
National Oceanic and Atmospheric Administration
National_Oceanic_and_Atmospheric_Administration
Underwater diving where divers are paid for their work
military clearance divers, whilst commercial divers will rarely use scuba equipment. Scuba equipment is not commonly used in civilian commercial diving, but
Professional_diving
Recreational scuba training and certification agency
developed new standards and practices. NASE's training program consists of three streams - recreational scuba diving, technical and professional diving in the
National Academy of Scuba Educators
National_Academy_of_Scuba_Educators
Descending below the surface of the water to interact with the environment
diver may dive on breath-hold (freediving) or use breathing apparatus for scuba diving or surface-supplied diving, and the saturation diving technique reduces
Underwater_diving
British volunteer cave rescue diver
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
John_Volanthen
Scuba diver certification
the highest, non-leadership program. Most organizations have a minimum age requirement of 15 to undertake the Master Scuba Diver course, although some
Master_Scuba_Diver
Toxic effects of carbon monoxide
occur following the use of a self-contained underwater breathing apparatus (SCUBA) due to faulty diving air compressors. In caves carbon monoxide can build
Carbon_monoxide_poisoning
Underwater diving breathing gas supplied from the surface
vessel, sometimes indirectly via a diving bell. This is different from scuba diving, where the diver's breathing equipment is completely self-contained
Surface-supplied_diving
British cave diver who specialises in rescues
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Rick_Stanton
Australian technical diver (1954–2005)
David John Shaw (20 July 1954 – 8 January 2005) was an Australian scuba diver, technical diver, and airline pilot for Cathay Pacific. He started flying
Dave_Shaw
System used in industry to eliminate or minimize exposure to hazards
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Hierarchy_of_hazard_controls
Danish maritime special operations unit
series of courses, e.g.: Combat swimmer course for three weeks Advanced scuba diving course Rescue swimmer course Survival course The basic Frogman Course
Frogman_Corps_(Denmark)
Australian anesthesiologist and cave diver
beginning in 2016. Harris retired as an anaesthetist in 2022. Harris began scuba diving in 1979 when he was 15 years old and began cave diving around 1985
Richard_Harris_(anaesthetist)
Acoustic sensing method
operated by the Soviet Union. Sonar can be used to detect frogmen and other scuba divers. This can be applicable around ships or at entrances to ports. Active
Sonar
Italian shark diver and conservationist
Congo until she was 15. She completed high school in Italy. Zenato began scuba diving at age 22 when traveling to The Bahamas. She started training as
Cristina_Zenato
Annual event recognizing recreational scuba industry contributors
International Scuba Diving Hall of Fame (ISDHF) is an annual event that recognizes those who have contributed to the success and growth of recreational scuba diving
International Scuba Diving Hall of Fame
International_Scuba_Diving_Hall_of_Fame
Japanese divers intended to manually detonate mines on invading ships
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Fukuryu
French scuba diver, chief diver and captain of the Calypso Christopher E. Gerty – American aerospace engineer who worked on NASA's Constellation Program Paul
Outline_of_underwater_divers
Surface waves generated by wind on open water
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Wind_wave
Diving in water-filled caves
is a Cave Diving Traverse? SCUBA 101". BlueWorld plus. Retrieved 9 February 2025 – via YouTube. Staff. "Training Program: Choose a course". National
Cave_diving
Water current moving away from shore
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Rip_current
Injury due to pressure difference between gas filled space and adjoining tissue
is exposed to a significant change in ambient pressure, such as when a scuba diver, a free-diver or an airplane passenger ascends or descends or during
Barotrauma
Boat used for the support of scuba diving operations
A dive boat is a boat that recreational divers or professional scuba divers use to reach a dive site which they could not conveniently reach by swimming
Dive_boat
Jacques Cousteau's oceanographic research ship
the third Boeing Starliner space capsule built for the Commercial Crew Program after the ship. The character Rebecca from the television series Theodore
RV_Calypso
Emergency first response medical treatment
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
First_aid
Short circular highly elastic rubber loop
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Rubber_band
Instinctive reaction that occurs in humans when close to drowning
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Instinctive_drowning_response
Cylindrical container for storing pressurised gas
Private (non-commercial) transport of scuba cylinders is not covered by this regulation. Empty scuba tanks or scuba tanks pressurized at less than 200 kPa
Gas_cylinder
Austrian freediver and world record holder
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Herbert_Nitsch
Field concerned with the safety, health and welfare of people at work
addressed through the implementation of occupational safety and health programs at company level. The International Labour Organization (ILO) and the World
Occupational safety and health
Occupational_safety_and_health
Underwater diving without breathing apparatus
(apnea) until resurfacing rather than the use of breathing apparatus such as scuba gear. Historically and colloquially, the term skin diving has been used
Freediving
Firearm firing gyroscopic rockets in the 1960s
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Gyrojet
Perception of one's environment
digital-control placement for the next generation of commercial aircraft. Research programs in flight-crew computer interaction and mental workload measurement built
Situation_awareness
Firearms that can be effectively fired underwater
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Underwater_firearm
Free-diving self-propelled deep-sea submersible
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
Bathyscaphe
Crewed full ocean depth rated submersible
Sualtı Sporları Federasyonu (TSSF) United Diving Instructors (UDI) YMCA SCUBA Program Scientific diver certification authorities American Academy of Underwater
DSV_Limiting_Factor
travel, tourism, insurance
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
Girl/Female
Hindu, Indian, Tamil
Morning; Beautiful; Sweet; Brilliant
Surname or Lastname
Variant of Dutch Schave.English
Variant of Dutch Schave.English : nickname from Middle English schove, probably from Old English scufa, a derivative of scūfan ‘to thrust or push’.
Boy/Male
Arabic, Muslim
Way; Program; Road; Path
Girl/Female
Muslim
Beautiful
Girl/Female
Tamil
Morning
Girl/Female
Indian
Beautiful
Boy/Male
Muslim
Way. Program.
Boy/Male
Arabic
Way; Program
Girl/Female
Latin
Born second.
Girl/Female
Hindu
Morning
Girl/Female
Muslim/Islamic
Beautiful
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
YMCA SCUBA-PROGRAM
travel, tourism, insurance