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American freediver and US Navy diving instructor (1934–2026)
Robert Arthur Croft (July 19, 1934 – January 9, 2026) was an American free-diver who, in 1967, became the first person to free-dive beyond the depth of
Robert_Croft_(diver)
Surname list
Croft (born 1972), Australian politician Richard Croft (tenor), American operatic tenor Robert Croft (born 1970), Welsh cricketer Robert Croft (diver)
Croft_(surname)
Lakes Projects – Wesissensee and Toplitszee. Robert F. Marx (1936-2019, American). A pioneering scuba diver best known for his work with shipwrecks and
List_of_treasure_hunters
Italian shark diver and conservationist
Cristina Zenato is an Italian-born shark diver and conservationist. She is known for her work with Caribbean reef sharks in The Bahamas. Zenato was born
Cristina_Zenato
Irish safety freediver (1977-2017)
Keenan (1 December 1977 – 22 July 2017) was an Irish freediving safety diver and co-owner at Dahab Freedivers. He held several Irish national freediving
Stephen_Keenan
US Navy personnel qualified in underwater diving and salvage
disposal Disaster recovery Robert Croft (free dive pioneer) Clearance diver Diving gear Diving hand signals Royal Navy ships diver Underwater Construction
Navy diver (United States Navy)
Navy_diver_(United_States_Navy)
British cave diver who specialises in rescues
Richard William Stanton, MBE, GM (born 1961) is a British civilian cave diver who specialises in rescues through the Cave Rescue Organisation and the
Rick_Stanton
Processes to develop the skills and knowledge to dive safely underwater
Diver training is the set of processes through which a person learns the necessary and desirable skills to safely dive underwater within the scope of
Diver_training
British volunteer cave diver who specialises in rescues
John Paul Volanthen, GM (born June 1971) is a British cave diver who undertakes cave rescues through the Cave Rescue Organisation, South and Mid Wales
John_Volanthen
Group of people working together to enhance dive safety and achieve a task
diving there may be no team at all for a solo diver, a dive buddy is the default arrangement, a three diver team is fairly common for technical diving,
Diving_team
Australian anesthesiologist and cave diver
Dunbar "Harry" Harris SC, OAM, PBh (GCT) (born 1964) is an Australian cave diver and retired anaesthetist who has served as the lieutenant governor of South
Richard_Harris_(anaesthetist)
Diving incident in the Maldives
Maldives. The incident claimed the lives of the five Italian divers and a diver of the Maldives National Defense Force who was part of a search and recovery
2026 Dhekunu Kandu cave diving incident
2026_Dhekunu_Kandu_cave_diving_incident
Royal Navy frogman and MI6 diver
dead 19 April 1956), known as Buster Crabb, was a Royal Navy frogman and diver who vanished during a reconnaissance mission for MI6 around a Soviet Navy
Lionel_Crabb
Australian technical diver (1954–2005)
John Shaw (20 July 1954 – 8 January 2005) was an Australian scuba diver, technical diver, and airline pilot for Cathay Pacific. He started flying for Cathay
Dave_Shaw
female free-diver Goran Čolak – Croatian free-diver and world record holder Carlos Coste – Venezuelan freediver and world record holder Robert Croft – American
Outline_of_underwater_divers
Tactical scuba diver
Such personnel are also known by the more formal names of combat diver, combatant diver, or combat swimmer. The word frogman first arose in the stage name
Frogman
2018 international rescue mission in Thailand
Stanton and Volanthen, whose efforts were overseen from outside by BCRC diver Robert Harper. The boys and coach were on a narrow rock shelf about 400 metres
Tham_Luang_cave_rescue
British Underwater diving expert
pioneer in the science of underwater diving. He wrote the Professional Diver's Handbook, and the non-fiction narrative book The First Treasure Divers
John_Bevan_(diver)
Swimming underwater, breathing gas carried by the diver
cylinders containing breathing gas at high pressure which is supplied to the diver at ambient pressure through a diving regulator. They may include additional
Scuba_diving
Sculpture by John Kaufman
The Diver (full name The Diver: Regeneration) is a sculpture by John Kaufman located in the River Thames at Rainham, east London. The Diver is made of
The_Diver
Underwater diving where divers are paid for their work
and codes of practice as it is an inherently hazardous occupation and the diver works as a member of a team. Due to the dangerous nature of some professional
Professional_diving
Injury due to pressure difference between gas filled space and adjoining tissue
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 uncontrolled
Barotrauma
Underwater diving without breathing apparatus
modern diving instruction, the terminology has become more specialized. Diver training organization such as PADI distinguish between freediving and skin
Freediving
Underwater diving breathing gas supplied from the surface
underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either from the shore or from a diving support
Surface-supplied_diving
Diving under a physical barrier to a direct vertical ascent to the surface
An overhead or penetration diving environment is where the diver enters a space from which there is no direct, purely vertical ascent to the safety of
Penetration_diving
Certification as competent to dive to a specified standard
all are claimed to allow a diver to develop their skills and knowledge in achievable steps. In contradistinction, a diver's logbook, or the electronic
Diver_certification
Non-profit organization for promoting standards and knowledge for commercial diving
currently offers the following certifications: Tender Diver Air Diver Mixed-Gas Diver Bell/Sat Diver Air Diving Supervisor Mixed Gas Diving Supervisor Bell/Sat
Association of Diving Contractors International
Association_of_Diving_Contractors_International
Copper helmet with rubberised canvas diving suit and weighted boots
used rebreather systems to extend the use of gas supplies carried by the diver, and were effectively self-contained underwater breathing apparatus, and
Standard_diving_dress
Underwater diving to a depth beyond the norm
toxicity. For some recreational diving agencies, "Deep diving", or "Deep diver" may be a certification awarded to divers that have been trained to dive
Deep_diving
Entry-level autonomous diver certification for recreational scuba diving
Open Water Diver (OWD) is an entry-level autonomous diver certification for recreational scuba diving. Although different agencies use different names
Open_Water_Diver
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
Diving mode and decompression technique
Saturation diving is an ambient pressure diving technique which allows a diver to remain at working depth for extended periods during which the body tissues
Saturation_diving
South African diver (1974–1994)
1994) was a South African recreational scuba diver who died in Bushman's Hole in South Africa. Cave diver David Shaw died while retrieving Dreyer's body
Deon_Dreyer
Diving beyond the scope of recreational diving
recreational diving for non-professional purposes. Technical diving may expose the diver to hazards beyond those normally associated with recreational diving, and
Technical_diving
Powered device for diver mobility and range extension
A diver propulsion vehicle (DPV), also known as an underwater propulsion vehicle, sea scooter, underwater scooter, scuba sled or swimmer delivery vehicle
Diver_propulsion_vehicle
Diving in water-filled caves
involves planned decompression stops. A distinction is made by recreational diver training agencies between cave-diving and cavern-diving, where cavern diving
Cave_diving
Self-contained underwater breathing apparatus
breathing apparatus that is entirely carried by an underwater diver and provides the diver with breathing gas at the ambient pressure. Scuba is an anacronym
Scuba_set
2nd episode of the 4th series of Dad's Army
sergeant. Croft, David; Perry, Jimmy; Webber, Richard (2000). The Complete A-Z of Dad's Army. Orion. ISBN 0-7528-4637-X. "Don't Forget the Diver" at BBC
Don't_Forget_the_Diver
Chamber for transporting divers vertically through the water
large enough for a fully kitted diver and bellman (the stand-by diver responsible for manning the bell while the working diver is locked out) to sit, and for
Diving_bell
Crewed full ocean depth rated submersible
36000/2: Full Ocean Depth". fivedeeps.com. Retrieved 2023-01-16. "Deepest diver Vescovo sells up to Inkfish". divernet.com. 2022-11-03. Retrieved 24 January
DSV_Limiting_Factor
Cave diver from Florida
Edd Sorenson (born 1959) is an American cave diver known for numerous rescues of lost or trapped divers in underwater caves, particularly in Florida's
Edd_Sorenson
Membership organisations of underwater divers
Diver organisations are membership based organisations where the membership is wholly, or at least in large part, underwater divers, and the organisation
Diver_organisations
Methods used by underwater divers to communicate
Diver communications are the methods used by divers to communicate with each other or with surface members of the dive team. In professional diving, diver
Diver_communications
Techniques requiring specific equipment and procedures
requires specific equipment, procedures and techniques, and may expose the diver to a particular range of hazards. There are several modes of diving; these
Modes_of_underwater_diving
French free diver (1927–2001)
Jacques Mayol (1 April 1927 – 22 December 2001) was a French diver and the holder of many world records in free diving. The 1988 film The Big Blue, directed
Jacques_Mayol
Senior diver rating in US Navy
States Navy master diver is the highest warfare qualification obtainable by a member of U.S. Navy diving community. A master diver is an enlisted person
Master diver (United States Navy)
Master_diver_(United_States_Navy)
Recreational diver training and certification agency
Certifications Inc. is an international recreational diving membership and diver training organization. Formerly known as the Association of Canadian Underwater
American Canadian Underwater Certifications
American_Canadian_Underwater_Certifications
Alphabetical listing of articles about underwater divers
Frank William Crilley – United States Navy Medal of Honor recipient Robert Croft – American freediver and US Navy diving instructor (1934–2026) Ben Cropp –
Index_of_underwater_divers
A cable and/or hose bundle which supplies required consumables to a remote user
required consumables to an apparatus, like a rocket, or to a person, such as a diver or astronaut. It is named by analogy with an umbilical cord. An umbilical
Umbilical_cable
American cave and deep diving pioneer and record breaker
Sheck Exley (April 1, 1949 – April 6, 1994) was an American cave diver. He is widely regarded as one of the pioneers of cave diving, and he wrote two
Sheck_Exley
Training process for people who do not dive at work
Recreational diver training is the process of developing knowledge and understanding of the basic principles, and the skills and procedures for the use
Recreational_diver_training
Recreational diver training and certification agency
and diver training organization founded in 1966 by John Cronin and Ralph Erickson. PADI courses range from entry level to advanced recreational diver certification
Professional Association of Diving Instructors
Professional_Association_of_Diving_Instructors
Scuba set with variable-density buoyancy control
and releasing it to reduce density. Less ballast weight is needed by the diver. Any 300 bar rated scuba regulator can be used. The system was developed
Avelo_diving_system
Japanese pearl divers
become an ama diver. The Dream of the Fisherman's Wife, an 1814 woodblock print by Japanese artist Hokusai, depicts a young ama diver entwined sexually
Ama_(diving)
Navy diver specialised in explosives
A clearance diver was originally a specialist naval diver who used explosives underwater to remove obstructions to make harbours and shipping channels
Clearance_diver
Non-fiction book by Bernie Chowdhury about a double wreck diving fatality
friend of the Rouses. The author is a technical diver who, according to writer Neal Matthews' review of Robert Kurson's book Shadow Divers (2004), "was among
The_Last_Dive
Cave diving explorer
Brian Kakuk is a cave diver known for underwater cave exploration and preservation efforts in the Bahamas, where he has lived since 1988. Kakuk has dived
Brian_Kakuk
American underwater diver (1932–2021)
2021) was an American underwater diver. He worked as a United States Navy demolition expert and as a commercial diver, and was one of the world's earliest
Jon_Lindbergh
Australian conservationist (1962–2006)
Pavilion...." Geyer, Thomas (23 November 2003). "Diver remembers day her scuba buddy died in Baja". Cyber Diver News Network. Archived from the original on
Steve_Irwin
Conditions in which the temperature of a diver can remain stable
balance of a diver occurs when the total heat exchanged between the diver and their surroundings results in a stable temperature of the diver. Ideally this
Thermal balance of the underwater diver
Thermal_balance_of_the_underwater_diver
Ascent to the surface by a diver in an emergency
An emergency ascent is an ascent to the surface by a diver in an emergency. More specifically, it refers to any of several procedures for reaching the
Emergency_ascent
American technical diver and shipwreck historian
Richie Kohler is an American technical wreck diver and shipwreck historian who has been diving and exploring shipwrecks since 1980. Together with John
Richie_Kohler
Recreational scuba and freediving training and certification agency
Basic Diver (ISO 11121) Referral Diver Indoor Diver Scuba Diver (ISO 24801-1) (including Junior Scuba Diver for under 15s) The Open Water Diver complies
Scuba_Schools_International
South African diver and holder of scuba depth record
Nuno Gomes is a scuba diver who lives in New York City. Born in Lisbon, his family relocated to Pretoria when he was 14 years old. He held two world records
Nuno_Gomes_(diver)
Techniques and procedures for safe decompression of divers
of decompression theoretically required for a dive profile exposes the diver to significantly higher risk of symptomatic decompression sickness, and
Decompression_practice
International minimum standard for entry level recreational scuba diver certification
Autonomous diver is an international minimum standard for entry-level recreational scuba diver certification. It describes the minimum requirements for
Autonomous_diver
Autonomous recreational scuba diving certification
CMAS two-star scuba diver (also known as CMAS P2 diver, CMAS** diver, or just CMAS**) is a diving certification for recreational scuba diving issued by
CMAS**_scuba_diver
Recreational diving without a dive buddy
single diver underwater activities but are accompanied by an on-surface support team dedicated to the safety of the diver, including a stand-by diver, and
Solo_diving
Recreational scuba certification emphasising emergency response and diver rescue
Rescue Diver is a scuba diving certification level provided by several diver training agencies, such as PADI, SSI, SDI, and NAUI, which emphasises emergency
Rescue_Diver
Risk management of underwater diving activities
individual diver and performance of the diving team. The underwater environment can impose severe physical and psychological stress on a diver, and is mostly
Diving_safety
Russian freediver (born 1987)
Alexey Olegovich Molchanov (born 6 March 1987) is a Russian free diver. He is multiple world champion in freediving, the current world record holder in
Alexey_Molchanov
American Master Diver retired from the United States Navy
Robert Carlton Sheats (September 30, 1915 – March 9, 1995) was an American Master Diver in the United States Navy. He enlisted in the Navy in 1935 and
Robert_Sheats
International organisation for underwater activities
and oversees an international system of recreational snorkel and scuba diver training and recognition. Its foundation in Monaco during January 1959 makes
Confédération Mondiale des Activités Subaquatiques
Confédération_Mondiale_des_Activités_Subaquatiques
Narcotic effects of respiratory nitrogen
paranoia, depending on the individual diver and the diver's medical or personal history. When more serious, the diver may feel overconfident, disregarding
Nitrogen_narcosis
Freediver training agency
Diver Autonomous diver CMAS* scuba diver CMAS** scuba diver Introductory diving Low Impact Diver Master Scuba Diver Open Water Diver Supervised diver
Performance Freediving International
Performance_Freediving_International
Hyperbaric pressure vessel for human occupancy used in diving operations
provided for diving-related applications such as saturation diving and diver decompression, and non-diving medical applications such as hyperbaric medicine
Diving_chamber
Garment or device designed to protect a diver from the underwater environment
A diving suit is a garment or device designed to protect a diver from the underwater environment. A diving suit may also incorporate a breathing gas supply
Diving_suit
Stationary diving discipline of holding breath underwater
2017. "New World Record Static apnea (STA)". Freedive Earth. "Croatian Diver Goran Čolak Wins in Dubai". "gulftoday.ae | Colak sets new record at Fazza
Static_apnea
Journalist, Underwater Diver, Environmentalist
News-Press. Hauser started scuba diving in 1966 and was an editor of Skin Diver Magazine from 1969 to 1971. In 1979 she became the publicist for the Diving
Hillary_Hauser
Diving mask that covers the mouth as well as the eyes and nose
the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing
Full-face_diving_mask
American wreck diving pioneer
(1952–1993) was a pioneering American wreck diver. Bill Nagle was one of the earliest divers to dive regularly beyond diver training agency specified depth limits
Bill_Nagle
Container to supply high pressure gas for diving operations
decompression buoy, or lifting bag. Cylinders provide breathing gas to the diver by free-flow or through the demand valve of a diving regulator, or via the
Diving_cylinder
Agents and situations that pose a threat to the underwater diver
hazards are the agents or situations that pose a threat to the underwater diver or their equipment. Divers operate in an environment for which the human
Diving_hazards
Person who trains and assesses underwater divers
person. Training and assessment will generally follow a diver training standard, and may use a diver training manual as source material. Recreational diving
Diving_instructor
Swiss mathematician, physicist and diver (1934–2022)
while Peter Small and Chris Whittaker, a young UCLA student and supporting diver, lost their lives. In the following years, navies and hospitals bought decompression
Hannes_Keller
List of articles related to underwater diving grouped by topical relevance
communicate Diver navigation – Underwater navigation by scuba divers Diver rescue – Rescue of a distressed or incapacitated diver Diver trim – Balance
Outline_of_underwater_diving
Austrian freediver and world record holder
which is considered by many to be the classic free-diving discipline: the diver descends next to a line, not using the line and unaided by a sled, and must
Herbert_Nitsch
Ballast carried to counteract buoyancy
A diving weighting system is ballast weight added to a diver or diving equipment to counteract excess buoyancy. They may be used by divers or on equipment
Diving_weighting_system
Equipment used specifically for surface supplied diving
emergency. Thus, the surface-supplied diver is less likely to have an "out-of-air" emergency than a scuba diver using a single gas supply, as there are
Surface-supplied diving equipment
Surface-supplied_diving_equipment
Influence of the interaction between the user and the equipment on design
equipment to facilitate diver-system interactions and provide for diver wellbeing and overall dive efficiency. The underwater diver relies on various items
Human factors in diving equipment design
Human_factors_in_diving_equipment_design
Descending below the surface of the water to interact with the environment
ambient pressure diving, the diver is directly exposed to the pressure of the surrounding water. The ambient pressure diver may dive on breath-hold (freediving)
Underwater_diving
Agencies which issue certification for competence in diving skills
This article lists notable underwater diver certification agencies. These include certification in cave diving, commercial diving, recreational diving
List of diver certification organizations
List_of_diver_certification_organizations
Recreational scuba diving certification slightly above minimum entry level
Advanced Open Water Diver (AOWD) is a recreational scuba diving certification level provided by several diver training agencies. Agencies offering this
Advanced_Open_Water_Diver
Articulated pressure-resistant anthropomorphic housing for an underwater diver
suit is a small one-person submersible with articulated limbs encasing the diver. Water- and pressure-tight joints allow articulation while maintaining an
Atmospheric_diving_suit
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
American cave explorer and rebreather designer
Mike Young is an American cave diver and rebreather designer. He is known for record-breaking underwater cave exploration and is the former owner of KISS
Mike_Young_(cave_diver)
Italian free diver
Enzo Maiorca (21 June 1931 – 13 November 2016) was an Italian free diver who held several world freediving records. Born Vincenzo Maiorca on 21 June 1931
Enzo_Maiorca
American engineer, vintner, and former NASA astronaut
Diver Autonomous diver CMAS* scuba diver CMAS** scuba diver Introductory diving Low Impact Diver Master Scuba Diver Open Water Diver Supervised diver
José_M._Hernández
Underwater diving using self contained breathing gas recycling apparatus
breathing apparatus which recirculates the breathing gas exhaled by the diver after replacing the oxygen used and removing the carbon dioxide metabolic
Rebreather_diving
Use of high-pressure water jet for cleaning hard surfaces
Diver Autonomous diver CMAS* scuba diver CMAS** scuba diver Introductory diving Low Impact Diver Master Scuba Diver Open Water Diver Supervised diver
Pressure_washing
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
Male
English
English variant spelling of French Albert, ELBERT means "bright nobility."
Surname or Lastname
English
English : of uncertain origin; perhaps an altered form of Croft.
Male
French
 Norman French form of Latin Robertus, ROBERT means "bright fame." Compare with another form of Robert.
Male
Italian
Italian, Portuguese, and Spanish form of Latin Robertus, ROBERTO means "bright fame."
Male
Welsh
Welsh form of German Hrodebert, RHOBERT means "bright fame."Â
Female
Italian
 Feminine form of Latin Robertus, ROBERTA means "bright fame." In use by the Italians, Portuguese and Spanish. Compare with another form of Roberta.
Boy/Male
Australian, Czech, Danish, German, Swedish
Famous Brilliance from Robert; Bright Famous One
Boy/Male
American, Australian, British, Chinese, Danish, English, French, German, Italian, Latin, Portuguese, Spanish, Swiss, Teutonic
Bright with Fame; Wide Fame; Spanish Form of Robert Shining Fame
Surname or Lastname
English, French, German, Dutch, Hungarian (Róbert), etc
English, French, German, Dutch, Hungarian (Róbert), etc : from a Germanic personal name composed of the elements hrÅd
‘renown’ + berht ‘bright’, ‘famous’. This is found occasionally
in England before the Conquest, but in the main it was introduced into
England by the Normans and quickly became popular among all classes of
society. The surname is also occasionally borne by Jews, as an
Americanized form of one or more like-sounding Jewish surnames.A Robert from La Rochelle, France is documented in Trois-Rivières,
Quebec, in 1666, with the secondary surname
Male
English
 English form of Anglo-Saxon Hreodbeorht, ROBERT means "bright fame." Compare with another form of Robert.
Surname or Lastname
English
English : variant of Croft.
Male
French
 French name derived from Latin Albertus, ALBERT means "bright nobility." Compare with other forms of Albert.
Surname or Lastname
English
English : variant of Roberts.
Surname or Lastname
English
English : variant of Roberts.
Boy/Male
American, Anglo, Australian, British, Chinese, Christian, Czechoslovakian, Danish, Dutch, English, Finnish, French, German, Indian, Irish, Italian, Jamaican, Netherlands, Polish, Scottish, Swedish, Swiss, Teutonic
Bright with Fame; Famed; Bright; Shining; An All-time Favorite Boys Name Since the Middle Ages; A; 14th-century King Robert the Bruce; Robert Burns the Poet
Surname or Lastname
English
English : patronymic from Robart.
Surname or Lastname
English
English : patronymic from the personal name Robert. This surname is very frequent in Wales and west central England. It is also occasionally borne by Jews, presumably as an Americanized form of a like-sounding Jewish surname.
Surname or Lastname
English and French
English and French : variant of Robert.
Female
French
Feminine form of Norman French Robert, ROBERTE means "bright fame."
Surname or Lastname
English
English : topographic name for someone who lived by an arable enclosure, normally adjoining a house, Middle English croft. There are several places in England named with this word (Old English croft), and the surname may equally be a habitational name from any of them.Possibly an Americanized spelling of Kraft.
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER
ROBERT CROFT-DIVER