Advanced Open Water Diver (AOWD) is a recreational scuba diving certification level provided by several diver training agencies. Agencies offering this...

Open Water Diver (OWD) is an entry-level autonomous diver certification for recreational scuba diving. Although different agencies use different names...

term: Advanced Open Water Diver, recreational scuba diving certification slightly above minimum entry level Advanced European Scientific Diver – a diver competent...

Advanced Open Water Diver certification program. Underwater navigation is usually a core component of most, if not all, advanced recreational diver training...

and diver training organization founded in 1966 by John Cronin and Ralph Erickson. PADI courses range from entry level to advanced recreational diver certification...

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...

as follows: IANTD awards their Elite Diver Recognition to a diver who completes: IANTD Advanced Open Water Diver. Three IANTD specialties: Deep, EANx...

certifications. The most common programs are: SSI Open Water Diver (OWD) and Advanced Open Water Diver (AOWD). There are more than 30 different specialty...

Jim Bowden is an American technical diver, known as a cave diver and as a deep diver. In 1994 he set a world record, since broken, by diving to 925 feet...

certification for a few main levels. The certifications Open Water Diver (OWD), Advanced Open Water Diver (AOWD) and Divemaster (DM) based on RSTC standards...

Open water diving is underwater diving in an open water environment, where the diver has unrestricted access by way of a direct vertical ascent to the...

and skill of the diver. A refresher course almost always includes a confined water skill practice session, and may include an open water dive. Some schools...

the Advanced Open Water Diver course. The course consists of five theory lessons, five swimming pool dives and at least four dives in open water on scuba...

Water Diver – Entry-level autonomous diver certification for recreational scuba diving Advanced Open Water Diver – Recreational scuba diving certification...

used to form a mandatory component of the Advanced Open Water Diver training course for many North American diver training agencies, which, in addition to...

and protected shoreline areas. Open water is unrestricted water such as a sea, lake or flooded quarry, where the diver has unobstructed direct vertical...

American international system,[clarification needed] following the Advanced Open Water Diver qualification (AOWD). Historically the course was treated as a...

bell and can only be opened if the pressure inside is balanced with the ambient water pressure. The bellman tends the working diver's umbilical through the...

modification and the specialized needs of the cavern diver. The prerequisite qualification is Advanced Open Water Diver or equivalent. The Introduction to Cave Diving...

cold water, though risk is also increased by ingassing while the diver is warm and peripherally well-perfused, and decompressing when the diver is cold...

helmets Advanced European Scientific Diver – A diver competent to organise a scientific diving team Advanced Open Water Diver – Recreational scuba diving certification...

agencies but can be categorized as: Advanced nitrox diver, a scuba diver certified as competent to dive in open water using open circuit nitrogen-based gas mixtures...

failure caused the clamp that was keeping the trunk sealed to open before Hellevik (diver 4) had closed the door to the chamber. This resulted in both...

allow water to enter the helmet. This can only be checked when in the water. Pneumo bubbles – The diver calls for the air panel operator to open the pneumofathometer...

vehicles and are experts in desert warfare. They are also trained in an advanced level of motor mechanics to field-repair any vehicular breakdown. Mountain...

apparatus had been pioneered; open-circuit surface supplied equipment where the diver's exhaled gas is vented directly into the water, and closed-circuit breathing...

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...

rest on the diver's shoulders, with an open bottom, for shallow water use. The helmet isolates the diver's head from the water, allows the diver to see clearly...

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...

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)...