The Closed Circuit Rebreather (CCR): Is It the Safest Device for Deep Scientific Diving?
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Adventures in Diving and Correlating Specialty Diver Programmes Statement of Risks and Liability
ADVENTURES IN DIVING AND CORRELATING SPECIALTY DIVER PROGRAMMES STATEMENT OF RISKS AND LIABILITY (PADI International Ltd) Please read carefully and fill in all blanks before signing. This is a statement in which you are informed of the risks of skin and scuba diving. The statement also sets out the circumstances in which you participate in the diving programme at your own risk. Your signature on this statement is required as proof that you have received and read this statement. It is important that you read the contents of this statement before signing it. If you do not understand anything contained in this statement, then please discuss it with your instructor. If you are a minor, this form must also be signed by a parent or guardian. This Statement of Risks and Liability hereby encompasses and applies to all diving activities in which you choose to participate as part of the PADI Adventures in Diving programme. These specialised diving activities and instruction may include, but are not limited to, Navigation, Night, Deep, Altitude, Boat, Drift, Diver Propulsion Vehicle, Dry Suit, Wreck, Fish Identification, Multilevel, Peak Performance Buoyancy, Search and Recovery, Underwater Naturalist, Underwater Photography and Underwater Videography. This Statement also encompasses and applies to select PADI specialty diver courses in which you choose to participate that are introduced as a part of the PADI Adventures in Diving programme. These specialty diver courses may include, but are not limited to, Navigation, Night, Deep, Altitude, Boat, Diver Propulsion Vehicle, Drift, Dry Suit, Wreck, Fish Identification, Multilevel, Peak Performance Buoyancy, Search and Recovery, Underwater Naturalist, Underwater Photography and Underwater Videography. -
How to Make Solo Rebreather Diving Safer
technical So,what’s Say that you dive on your own with wrong about a rebreather and wait for the reactions. matters bringing a Rubiks cube You’ll hear some nasty comments about along on a dive? you being an accident waiting to happen Discussions about diving never did a solo dive. The other 92 percent have done at least a few Column by are very often boring— solo dives, with 33 percent doing Cedric Verdier always the same stories mostly solo diving. about numerous sharks Of course, a poll only represents dangerously close, strong the opinion of a few individuals current ripping a mask off who want to answer the questions. It cannot be considered as the “big or friendly dolphins play- picture” of the entire rebreather ing during a deco stop. diver community. Nevertheless, it We heard them so many shows that some rebreather divers times. keep on diving solo, even if the perceived risk is so high… So, if you want to have some Why people don’t dive fun, simply say that you dive on solo with a rebreather? your own with a rebreather and Simply because that’s one wait for the reactions. You’ll hear of the most basic rules some nasty comments about one learns during the you being an accident waiting Open Water Diver to happen, and some people course: “Never dive will clearly show you their option alone”. It’s so famous about your mental health. that it’s almost a dogma. And it sounds Why? Because everybody so logical? knows that CCR Solo diving is the most stupid thing to do on Earth 1. -
Lake Huron Scuba Diving
SOUTHERN LAKE ASSESSMENT SOUTHERN RECREATION PROFILE LAKE Scuba Diving: OPPORTUNITIES FOR LAKE HURON ASSESSMENT FINGER LAKES SCUBA LAKES FINGER The southern Lake Huron coast is a fantastic setting for outdoor exploration. Promoting the region’s natural assets can help build vibrant communities and support local economies. This series of fact sheets profiles different outdoor recreation activities that could appeal to residents and visitors of Michigan’s Thumb. We hope this information will help guide regional planning, business develop- ment and marketing efforts throughout the region. Here we focus on scuba diving – providing details on what is involved in the sport, who participates, and what is unique about diving in Lake Huron. WHY DIVE IN LAKE HURON? With wildlife, shipwrecks, clear water and nearshore dives, the waters of southern Lake Huron create a unique environment for scuba divers. Underwater life abounds, including colorful sunfish and unusual species like the longnose gar. The area offers a large collection of shipwrecks, and is home to two of Michigan’s 12 underwater preserves. Many of the wrecks are in close proximity to each other and are easily accessed by charter or private boat. The fresh water of Lake Huron helps to preserve the wrecks better than saltwater, and the lake’s clear water offers excellent visibility – often up to 50 feet! With many shipwrecks at different depths, the area offers dives for recreational as well as technical divers. How Popular is Scuba Diving? Who Scuba Dives? n Scuba diving in New York’s Great Lakes region stimulated more than $108 In 2010, 2.7 million Americans went scuba A snapshot of U.S. -
History of Scuba Diving About 500 BC: (Informa on Originally From
History of Scuba Diving nature", that would have taken advantage of this technique to sink ships and even commit murders. Some drawings, however, showed different kinds of snorkels and an air tank (to be carried on the breast) that presumably should have no external connecons. Other drawings showed a complete immersion kit, with a plunger suit which included a sort of About 500 BC: (Informaon originally from mask with a box for air. The project was so Herodotus): During a naval campaign the detailed that it included a urine collector, too. Greek Scyllis was taken aboard ship as prisoner by the Persian King Xerxes I. When Scyllis learned that Xerxes was to aack a Greek flolla, he seized a knife and jumped overboard. The Persians could not find him in the water and presumed he had drowned. Scyllis surfaced at night and made his way among all the ships in Xerxes's fleet, cung each ship loose from its moorings; he used a hollow reed as snorkel to remain unobserved. Then he swam nine miles (15 kilometers) to rejoin the Greeks off Cape Artemisium. 15th century: Leonardo da Vinci made the first known menon of air tanks in Italy: he 1772: Sieur Freminet tried to build a scuba wrote in his Atlanc Codex (Biblioteca device out of a barrel, but died from lack of Ambrosiana, Milan) that systems were used oxygen aer 20 minutes, as he merely at that me to arficially breathe under recycled the exhaled air untreated. water, but he did not explain them in detail due to what he described as "bad human 1776: David Brushnell invented the Turtle, first submarine to aack another ship. -
Scuba Divers Can Help Keys' Ocean Ecosystem During REEF's Upper
12/16/2020 Scuba Divers Can Help Keys’ Ocean Ecosystem during REEF’s Upper Keys Lionfish Derby | Scuba Diving Log In Scuba Divers Can Help Keys’ Ocean Ecosystem during REEF’s Upper Keys Lionfish Derby COURTESY FLORIDA KEYS AND KEY WEST AUGUST 20, 2020 Divers can help preserve the Florida Keys’ native reef fish populations during the fun, socially distanced Reef Environmental Education Foundation 2020 Lionfish Derby. Scheduled Thursday through Sunday, Sept. 10-13, the derby challenges participants to capture and remove as many non-native lionfish as possible from Keys waters. This year, COVID-19 restrictions have forced organizers of the annual competition to modify the derby to minimize potential exposure to or spread of the virus. However, divers are to have two full days to capture lionfish and maximize their effectiveness in the removal of this invasive predator from Keys reefs. Divers vie for prize money including first- through third-place awards for capturing the most lionfish, the largest and the smallest. New this year are two divisions in the “most lionfish” category: Reef Defenders and Apex Predators. The latter is the more competitive and prize monies are higher. During early-bird registration on or before Aug. 30, teams of two to four people can register online for only $50 per team. Registrations on or before Sept. 6 are $75 per team and late registrations by the final deadline of 4 p.m. Sept 10 are $100 per team. All registrants receive a 2020 Lionfish Derby rash guard. The first 40 paid participants also receive a derby hat. -
Analysis of Recreational Closed-Circuit Rebreather Deaths 1998–2010 Andrew W Fock Abstract (Fock AW
78 Diving and Hyperbaric Medicine Volume 43 No. 2 June 2013 Analysis of recreational closed-circuit rebreather deaths 1998–2010 Andrew W Fock Abstract (Fock AW. Analysis of recreational closed-circuit rebreather deaths 1998–2010. Diving and Hyperbaric Medicine. 2013 June;43(2):78-85.) Introduction: Since the introduction of recreational closed-circuit rebreathers (CCRs) in 1998, there have been many recorded deaths. Rebreather deaths have been quoted to be as high as 1 in 100 users. Methods: Rebreather fatalities between 1998 and 2010 were extracted from the Deeplife rebreather mortality database, and inaccuracies were corrected where known. Rebreather absolute numbers were derived from industry discussions and training agency statistics. Relative numbers and brands were extracted from the Rebreather World website database and a Dutch rebreather survey. Mortality was compared with data from other databases. A fault-tree analysis of rebreathers was compared to that of open-circuit scuba of various configurations. Finally, a risk analysis was applied to the mortality database. Results: The 181 recorded recreational rebreather deaths occurred at about 10 times the rate of deaths amongst open-circuit recreational scuba divers. No particular brand or type of rebreather was over-represented. Closed-circuit rebreathers have a 25-fold increased risk of component failure compared to a manifolded twin-cylinder open-circuit system. This risk can be offset by carrying a redundant ‘bailout’ system. Two-thirds of fatal dives were associated with a high-risk dive or high-risk behaviour. There are multiple points in the human-machine interface (HMI) during the use of rebreathers that can result in errors that may lead to a fatality. -
GR03617-01 UDT 2018 Press Pack AW.Indd
UDT 2018 UNDERSEA DEFENCE TECHNOLOGY SEC, Glasgow Visit us on Stand C2 AVON PROTECTION AT UDT 2018 Avon Protection has more than 130 years of experience, delivering performance innovation, design and engineering solutions. Avon Protection’s capabilities include the design, development, test and manufacture of respirators, filters, escape hoods, powered air purifying respirators (PAPRs), self-contained breathing apparatus (SCBA), hybrid systems, thermal imaging, dive computers and closed circuit rebreathers. Over our history of innovation, design and engineering, we have exclusively focused on the military, law enforcement, firefighting and industrial markets, understanding the unique requirements of these specialist, high threat, user groups. This depth of understanding and specialisation has enabled Avon Protection to become the recognised global market leader for respiratory products in this field. PRODUCTS ON SHOW MCM100 MDC150 Mi-TIC S NH15 COMBO 2 AVON PROTECTION AT UDT 2018 MCM100 The MCM100 is a configurable platform to meet multiple military Underwater Breathing Apparatus (UBA) requirements. It is a fully closed circuit, electronically controlled, mixed gas rebreather CE tested to 100m, suitable for a large range of military or tactical diving disciplines such as Mine Countermeasure (MCM), Explosive Ordnance Disposal (EOD) shallow or deep, Mine Investigation and Exploitation (MIE) and Special Operations Forces (SOF). MDC150 The next generation of military dive computer with real-time data/ decompression logging and a custom interface which is fully reconfigurable allowing reprogramming as requirements change. The multiple algorithm capability allows for end user decompression system inclusion. The robust and ergonomic form has been specifically designed for use in demanding military diving applications. Mi-TIC S. -
Oxygen Toxicity and CCR/Rebreather Diving
Home (https://www.diverite.com) Articles (https://www.diverite.com/category/articles/) Oxygen Toxicity and CCR/Rebreather Diving OXYGENOXYGEN TOXICITYTOXICITY ANDAND CCR/RE-CCR/RE- BREATHERBREATHER DIVINGDIVING A couple of years ago I had the privilege of spending five days in Florida with Lamar Hires, the owner of Dive Rite. That was the longest time we have managed to spend togethertogether sincesince hehe ‘certified’‘certified’ meme asas aa fullfull cavecave diverdiver inin 19881988 (I(I hadhad alreadyalready donedone overover 100 exploratory cave dives in Canada). Although I am an Inspiration CCR IT (I have been diving the Inspiration since 2000 and the Megalodon since 2005), I did the full Optima CCR course with Lamar as he had other students to train. During this time Lamar and I had hours to chat and it quickly became apparent that there are serious mistakes being made by rebreather divers as a result of their lack of understanding of oxygen (O2) toxicity in the rebreather diving environment. Lamar asked me to write an article to address some of those mistakes. This article builds on prior articles that I have written on the topic of oxygen toxicity that have appeared on the Dive Rite blog. Oxygen toxicity is a consequence of the biochemical damage that occurs in cells as a result of oxygen free radicals. Whenever oxygen is present, oxygen free radicals are formed. The number of radicals is directly related to the partial pressure of oxygen (pO2). Our cells have several mecha- nisms to inactivate oxygen radicals and to repair the damage that they cause. -
Special Operations Rebreathers
Special Operations Underwater Life Support Systems INTRODUCTION TO JFD JFD is the world leading underwater capability provider facilitating the commercial and defence diving industries by offering innovative diving, submarine rescue and subsea technical solutions. JFD has a well-established history in the development of advanced and innovative diving and submarine rescue systems spanning over 30 years. Our systems continue to set the president in terms of capability and performance and JFD is relied upon by divers worldwide across both the defence and commercial sectors. Our products and services have been delivered to a large number of countries across all continents. With in-service support established in many of these locations and tailored Integrated Logistics Support (ILS) packages, JFD is able to provide high customer equipment availability, rapid technical support and tailored training packages. 2 | Introduction JFD offers two highly capable underwater life support systems to meet the full mission profile of today’s Special Operations diver. A modular approach enables customisation of the life support system in response to demands across the full operational spectrum. SHADOW ENFORCER The solution for extended duration and deeper diving The lightweight solution for short duration mission mission profiles. profiles. 3 | Offering A common life support platform facilitates a multi-mission capability offering numerous operational and logistic benefits that include: ENHANCED MISSION EFFECTIVENESS • Front and back mount options • Oxygen -
Scuba Diving Is Swimming Underwater While There Are Many Places to Enjoy Scuba Diving in Using Scuba Equipment
Clubs and Associations ® DIVING Life’s better outside . FETY DAN (Divers Alert Network) SA RULES • Don’t dive alone. www.diversalertnetwork.org UTDO Be A Diver O O • Don’t hold your breath. R www.beadiver.com • Don’t ascend faster than your smallest The following associations provide scuba instructor Scuba exhaled bubbles. training. Instructors certified by these programs provide scuba training to individuals for their basic • Don’t stay down too long. and advanced certifications. Diving • Don’t dive too deep. NAUI IN TEXAS (National Association of Underwater Instructors) • Don’t dive with malfunctioning equipment. www.naui.org PADI • Don’t destroy the environment. (Professional Association of Diving Instructors) www.padi.com • Don’t plan a decompression dive as a SSI (Scuba Schools International) recreational scuba diver. www.divessi.com • Don’t go in overhead environments. Contact your local dive stores for more information about these associations. • Don’t dive beyond your training. • Don’t forget your safety stop. • Don’t forget to log your dives. Be a volunteer Aquarena Center www.aquarena.txstate.edu Moody Gardens www.moodygardens.com Sea Center Texas www.tpwd.state.tx.us/seacenter/ 4200 Smith School Road Austin, Texas 78744 Texas Freshwater Fisheries Center www.tpwd.state.tx.us/tffc/ In accordance with Texas State Depository Law, this publication is available at the Texas State Publications Clearinghouse and/or Texas Depository Libraries. NOTE: Presentation of information within this brochure does not © 2010 TPWD PWD BR V3400-1161 (2/10) Printed on recycled paper. in any way constitute an endorsement by TPWD. Lake Sam Rayburn Lufkin What is scuba? Where to go www.swf-wc.usace.army.mil/samray Lake Travis Austin Scuba diving is swimming underwater while There are many places to enjoy scuba diving in www.lcra.org using scuba equipment. -
Buoyancy Compensator Owner's Manual
BUOYANCY COMPENSATOR OWNER’S MANUAL 2020 CE CERTIFICATION INFORMATION ECLIPSE / INFINITY / EVOLVE / EXPLORER BC SYSTEMS CE TYPE APPROVAL CONDUCTED BY: TÜV Rheinland LGA Products GmbH Tillystrasse 2 D-90431 Nürnberg Notified Body 0197 EN 1809:2014+A1:2016 CE CONTACT INFORMATION Halcyon Dive Systems 24587 NW 178th Place High Springs, FL 32643 USA AUTHORIZED REPRESENTATIVE IN EUROPEAN MARKET: Dive Distribution SAS 10 Av. du Fenouil 66600 Rivesaltes France, VAT FR40833868722 REEL Diving Kråketorpsgatan 10 431 53 Mölndal 2 HALCYON.NET HALCYON BUOYANCY COMPENSATOR OWNER’S MANUAL TRADEMARK NOTICE Halcyon® and BC Keel® are registered trademarks of Halcyon Manufacturing, Inc. Halcyon’s BC Keel and Trim Weight system are protected by U.S. Patents #5855454 and 6530725b1. The Halcyon Cinch is a patent-pending design protected by U.S. and European law. Halcyon trademarks and pending patents include Multifunction Compensator™, Cinch™, Pioneer™, Eclipse™, Explorer™, and Evolve™ wings, BC Storage Pak™, Active Control Ballast™, Diver’s Life Raft™, Surf Shuttle™, No-Lock Connector™, Helios™, Proteus™, and Apollo™ lighting systems, Scout Light™, Pathfinder™ reels, Defender™ spools, and the RB80™ rebreather. WARNINGS, CAUTIONS, AND NOTES Pay special attention to information provided in warnings, cautions, and notes accompanied by these icons: A WARNING indicates a procedure or situation that, if not avoided, could result in serious injury or death to the user. A CAUTION indicates any situation or technique that could cause damage to the product, and could subsequently result in injury to the user. WARNING This manual provides essential instructions for the proper fitting, adjustment, inspection, and care of your new Buoyancy Compensator. Because Halcyon’s BCs utilize patented technology, it is very important to take the time to read these instructions in order to understand and fully enjoy the features that are unique to your specific model. -
Amphora Multi-Mission Rebreather
AMPHORA MULTI-MISSION REBREATHER Introduction: √ The AMPHORA rebreather is based on the current FROGS combat swimmer breathing apparatus √ The AMPHORA can be used as a combat swimmers apparatus or as a shallow water Mine Counter Measure (MCM) rig √ The AMPHORA is also designed for use on the SDV General concept: The simple operation of the gas switch allows the user to switch gas during the dive between breathing pure oxygen in closed circuit or nitrox in semi-closed circuit Operating principle The AMPHORA is a closed circuit apparatus in the oxygen dive configuration and is a Constant Mass Flow Injection apparatus (CMI) in the mixed gas dive configuration Description: Specifications: Ø The AMPHORA is based on the combat Ø Dimensions: 415mm (height) x swimmer FROGS apparatus 285mm (width) x 370mm (length) Ø The AMPHORA is made up of two Ø Nominal duration: - Oxygen : A 2.1L components: cyl.provides a dive duration of 240 Ø The chest-mounted unit includes the minutes at 7 meters breathing apparatus with a 2.1L oxygen Ø Mixture : A 2L cyl. with a 60%02- cylinder 40%N2 gives a dive duration of 60 Ø The 2L mixture cylinder is fitted either minutes on the diver’s leg or on the diver’s back Ø Cartridge capacity: 2.5 kg of using the FROGS harness absorbent Ø Another option: 1.5L mixture cylinder Ø Weight (charged): Approx.14.5 Kgs fitted on the cover for the front unit & 5 Kgs for the 2L Mix cylinder and Mix Reg. Ø Buoyancy: Approx. 500g negative Aqua Lung • 2340 Cousteau Court, Vista, CA 92081 • TEL: 760.597.5000 • FAX: 760.597.4914 • www.aqualung.com/military Front Back Technical data: The Amphora is a Constant Mass Flow Injection apparatus (CMI).