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WRECK DIVING™ ...Uncover the Past Magazine the FATE OF
WRECK DIVING™ ...uncover the past Magazine THE FATE OF WRECK DIVING MAGAZINE THE U-869: PART II REEXAMINED CROW / KOINER INCIDENT THETHE LUSITANIALUSITANIA CHRONICLESCHRONICLES WORLDWORLD RECORDRECORD DEEPDEEP DIVEDIVE TOTO THETHE MILANOMILANO Carl D. Bradley • Comet Deep Sea Treasure Hunting Part II Eureka • German Junkers • Lusitania Milano • U-869 Part II Issue 18 A Quarterly Publication U-869 the Fate of U-869 REEXAMINED Part II of a 3-Part Article The U-Boat War The official commissioning photo of U-869 and her 59 crew. It took nearly six years to positively identify their grave site. (National Archives) The petty officers of U-869 in an informal portrait; The Crow/Koiner Incident the Olympic rings on the conning tower signify that By Richie Kohler, John Chatterton and John Yurga Captain Neuerburg entered officers training in 1936. World War II was extraordinarily War complex II and dynamic. The Atlantic and Pacific Theaters were radically different from one another, and as the war progressed, the way the war was fought and the tools used to fight the war continuously evolved. Early on, Winston Churchill secured from President Roosevelt an agreement that the Allies would put their main effort into defeating Germany first, and then they would together turn their attention to the Pacific. This “Europe First” policy was not an easy one for Roosevelt to sell to the military, considering it was the Japanese attack on Pearl Harbor which had forced America into the war. It was especially difficult for the United States Navy to deal with this policy. The US Navy considered the Pacific to be their war and, after the attack on Pearl Harbor, this is easy to understand. -
Cochran Undersea Technology
Cochran Undersea Technology www.DiveCochran.com Technical Publication ©2013 7Apr13 Task Loading While scuba diving, the diver wants to focus on his Mission whether it be cruising a reef, photographing fish, cave diving, disarming a mine, or just diving with a buddy for the fun of it. The diver doesn’t need or want to be distracted or concerned by equipment tasks that could be easily avoided. Cochran dive computers have the lowest task loading of any unit on the market today. This is one reason why Cochran is the only dive computer used by NATO, the US Navy, and other international militaries. Cochran’s goal is to allow Cochran dive computer owners to maximize their diving experience. Toward this goal, Cochran has addressed the following issues: No Buttons – no Worries Regardless of how well a product is designed, having pushbuttons is always less reliable than not having pushbuttons. Pushbuttons can be troublesome when wearing gloves. Trying to press a pushbutton or combination of pushbuttons while carrying a camera and taking a picture is at best, challenging. Cochran dive computers are fully automatic and have no pushbuttons. If desired to change any settings in a Cochran dive computer while on the surface, the diver uses the three permanent stainless contacts on the side or bottom of the unit. Batteries Cochran dive computers have the longest battery life. By checking for battery warnings just before a dive, the diver can be assured that when he starts a dive there is sufficient battery power to complete it. Constantly checking the battery while in a dive is not necessary with a Cochran dive computer. -
2011 NOAA Diving Program Annual Report
NOAA Diving Program 2011 Annual Report 31 December 2011 NOAA Diving Center 7600 Sand Point Way NE Seattle, WA 98115 NOAA Diving Program - Annual Report 2011 Summary For over 40 years, NOAA divers have safely, efficiently, and cost-effectively collected data and performed tasks underwater in support of NOAA goals and objectives. Fiscal year 2011 was no exception. FY11 continued to be a year of change and transition for the NOAA Diving Program (NDP) with the implementation of new standards, policies and procedures designed to increase safety and ensure compliance with federal regulations. Nine new policies were implemented, a new Working Diving standards and safety manual was adopted, and a new Diving Unit Safety Assessment (DUSA) program was initiated. This year, when compared to FY 2010, the Program experienced a 09% (44) decrease in the number of divers, a 01% (130) decrease in the number of dives performed, and a 05% (471) decrease in the total hours of bottom time logged by NOAA divers. These data do not include dives conducted by reciprocity partners which would have significantly impacted the totals in each category. Of the total number of dives recorded (13,859), 71% (9,845) were classified as ‘scientific,’ 14% (1,971) were ‘working,’ and 26% (3,550) were ‘training or proficiency’ (see Chart 1). These data represent almost no change in the number of scientific dives, a 12% decrease in working dives compared to FY10, and a 09% decrease in training and proficiency dives. Should the proposed alternate diving standards, currently under review by OSHA, be approved, the Program may see an increase in the number of working dives performed each year due to the lessening of restrictions on Nitrox breathing mixtures and the ability to conduct working dives without a chamber on site. -
Biomechanics of Safe Ascents Workshop
PROCEEDINGS OF BIOMECHANICS OF SAFE ASCENTS WORKSHOP — 10 ft E 30 ft TIME AMERICAN ACADEMY OF UNDERWATER SCIENCES September 25 - 27, 1989 Woods Hole, Massachusetts Proceedings of the AAUS Biomechanics of Safe Ascents Workshop Michael A. Lang and Glen H. Egstrom, (Editors) Copyright © 1990 by AMERICAN ACADEMY OF UNDERWATER SCIENCES 947 Newhall Street Costa Mesa, CA 92627 All Rights Reserved No part of this book may be reproduced in any form by photostat, microfilm, or any other means, without written permission from the publishers Copies of these Proceedings can be purchased from AAUS at the above address This workshop was sponsored in part by the National Oceanic and Atmospheric Administration (NOAA), Department of Commerce, under grant number 40AANR902932, through the Office of Undersea Research, and in part by the Diving Equipment Manufacturers Association (DEMA), and in part by the American Academy of Underwater Sciences (AAUS). The U.S. Government is authorized to produce and distribute reprints for governmental purposes notwithstanding the copyright notation that appears above. Opinions presented at the Workshop and in the Proceedings are those of the contributors, and do not necessarily reflect those of the American Academy of Underwater Sciences PROCEEDINGS OF THE AMERICAN ACADEMY OF UNDERWATER SCIENCES BIOMECHANICS OF SAFE ASCENTS WORKSHOP WHOI/MBL Woods Hole, Massachusetts September 25 - 27, 1989 MICHAEL A. LANG GLEN H. EGSTROM Editors American Academy of Underwater Sciences 947 Newhall Street, Costa Mesa, California 92627 U.S.A. An American Academy of Underwater Sciences Diving Safety Publication AAUSDSP-BSA-01-90 CONTENTS Preface i About AAUS ii Executive Summary iii Acknowledgments v Session 1: Introductory Session Welcoming address - Michael A. -
Scapa Flow & Basking Sharks Sept 19 - 29, 2019
Scotland Scapa Flow & Basking Sharks Sept 19 - 29, 2019 Blue Green Expeditions is headed to Scotland. We are combining two epic experiences in one amazing package! Come snorkel with us with one of the largest sharks in the world, Basking Sharks. This is one of the biggest hotspots in the world to see them! Basking sharks typically range from 20 - 26 feet long but no worries, they eat plankton and are harmless! Then journey with us to the premier wreck diving jewel of the world, Scapa Flow. The area teems of history that spans the centuries with more than 150 wrecks that are scattered across the seabed from 18th century sailing ships to more recent fishing vessels. We plan to dive on the wrecks of the German fleet including the SMS Coln, Brummer, Dresden, Markgraf, Konig, and others. The massive hulking wrecks are truly amazing with so much to explore. The un-salvaged vessels of the German High Sea Fleet offer some of the greatest wreck diving the world has to offer. Truly a bucket list trip for any wreck diver! We will be staying aboard the Valhalla, a newly refurbished live-aboard diving vessel. This is one adventure you will not want to miss! Price Includes: • All meals aboard the Valhalla • 2-3 dives per day in Scapa Flow • Weights and 104cf tanks • Nitrox fills • Transfers from ferry or airport in Kirkwall • Lodge accommodations for Basking Sharks • Boat and transfers from ferry for Basking sharks Not included: • Double tanks, stage bottles or O2 for deco • Sorb for rebreathers • Airfare • Dive Insurance (required) • Trip Insurance (highly recommended) • Extra hotel nights due to flight schedules • Alcoholic beverages • Meals during Basking Shark trip • Crew gratuities Pricing: $3299 per person, standard cabin Non refundable deposit of $1500 Balance due - June 1st, 2019 For more information contact: Faith Ortins [email protected] 619.363.2408 Paul Holbrook [email protected] 619.363.2408 www.bluegreenexpeditions.com . -
Dive Medicine Aide-Memoire Lt(N) K Brett Reviewed by Lcol a Grodecki Diving Physics Physics
Dive Medicine Aide-Memoire Lt(N) K Brett Reviewed by LCol A Grodecki Diving Physics Physics • Air ~78% N2, ~21% O2, ~0.03% CO2 Atmospheric pressure Atmospheric Pressure Absolute Pressure Hydrostatic/ gauge Pressure Hydrostatic/ Gauge Pressure Conversions • Hydrostatic/ gauge pressure (P) = • 1 bar = 101 KPa = 0.987 atm = ~1 atm for every 10 msw/33fsw ~14.5 psi • Modification needed if diving at • 10 msw = 1 bar = 0.987 atm altitude • 33.07 fsw = 1 atm = 1.013 bar • Atmospheric P (1 atm at 0msw) • Absolute P (ata)= gauge P +1 atm • Absolute P = gauge P + • °F = (9/5 x °C) +32 atmospheric P • °C= 5/9 (°F – 32) • Water virtually incompressible – density remains ~same regardless • °R (rankine) = °F + 460 **absolute depth/pressure • K (Kelvin) = °C + 273 **absolute • Density salt water 1027 kg/m3 • Density fresh water 1000kg/m3 • Calculate depth from gauge pressure you divide press by 0.1027 (salt water) or 0.10000 (fresh water) Laws & Principles • All calculations require absolute units • Henry’s Law: (K, °R, ATA) • The amount of gas that will dissolve in a liquid is almost directly proportional to • Charles’ Law V1/T1 = V2/T2 the partial press of that gas, & inversely proportional to absolute temp • Guy-Lussac’s Law P1/T1 = P2/T2 • Partial Pressure (pp) – pressure • Boyle’s Law P1V1= P2V2 contributed by a single gas in a mix • General Gas Law (P1V1)/ T1 = (P2V2)/ T2 • To determine the partial pressure of a gas at any depth, we multiply the press (ata) • Archimedes' Principle x %of that gas Henry’s Law • Any object immersed in liquid is buoyed -
Inventory and Analysis of Archaeological Site Occurrence on the Atlantic Outer Continental Shelf
OCS Study BOEM 2012-008 Inventory and Analysis of Archaeological Site Occurrence on the Atlantic Outer Continental Shelf U.S. Department of the Interior Bureau of Ocean Energy Management Gulf of Mexico OCS Region OCS Study BOEM 2012-008 Inventory and Analysis of Archaeological Site Occurrence on the Atlantic Outer Continental Shelf Author TRC Environmental Corporation Prepared under BOEM Contract M08PD00024 by TRC Environmental Corporation 4155 Shackleford Road Suite 225 Norcross, Georgia 30093 Published by U.S. Department of the Interior Bureau of Ocean Energy Management New Orleans Gulf of Mexico OCS Region May 2012 DISCLAIMER This report was prepared under contract between the Bureau of Ocean Energy Management (BOEM) and TRC Environmental Corporation. This report has been technically reviewed by BOEM, and it has been approved for publication. Approval does not signify that the contents necessarily reflect the views and policies of BOEM, nor does mention of trade names or commercial products constitute endoresements or recommendation for use. It is, however, exempt from review and compliance with BOEM editorial standards. REPORT AVAILABILITY This report is available only in compact disc format from the Bureau of Ocean Energy Management, Gulf of Mexico OCS Region, at a charge of $15.00, by referencing OCS Study BOEM 2012-008. The report may be downloaded from the BOEM website through the Environmental Studies Program Information System (ESPIS). You will be able to obtain this report also from the National Technical Information Service in the near future. Here are the addresses. You may also inspect copies at selected Federal Depository Libraries. U.S. Department of the Interior U.S. -
|||GET||| Group Interaction in High Risk Environments 1St Edition
GROUP INTERACTION IN HIGH RISK ENVIRONMENTS 1ST EDITION DOWNLOAD FREE Rainer Dietrich | 9781351932097 | | | | | Looking for other ways to read this? Computational methods such as resampling and bootstrapping are also used when data are insufficient for direct statistical methods. There is little point in making highly precise computer calculations on numbers that cannot be estimated accurately Group Interaction in High Risk Environments 1st edition. Categories : Underwater diving safety. Thus, the surface-supplied diver is much less likely to have an "out-of-air" emergency than a scuba diver as there are normally two alternative air sources available. Methods for dealing with Group Interaction in High Risk Environments 1st edition risks include Provision for adequate contingencies safety factors for budget and schedule contingencies are discussed in Chapter 6. This genetic substudy included Two Sister Study participants and their parents, and some Sister Study participants who developed incident breast cancer invasive or DCIS before age 50 during the follow-up period. In terms of generalizability, our sample is predominantly non-Hispanic white women, and the results may not apply to other racial or ethnic groups. This third parameter may give some management support by establishing early warning indicators for specific serious risks, which might not otherwise have been established. ROVs may be used together with divers, or without a diver in the water, in which case the risk to the diver associated with the dive is eliminated altogether. Suitable equipment can be selected, personnel can be trained in its use and support provided to manage the foreseeable contingencies. However, taken together, there is the possibility that many of the estimates of these factors would prove to be too optimistic, leading. -
WRECK DIVING™ ...Uncover the Past Magazine
WRECK DIVING™ ...uncover the past Magazine Graf Zeppelin • La Galga • Mystery Ship • San Francisco Maru Scapa Flow • Treasure Hunting Part I • U-869 Part III • Ville de Dieppe WRECK DIVING MAGAZINE The Fate of the U-869 Reexamined Part III SanSan FranciscoFrancisco MaruMaru:: TheThe MillionMillion DollarDollar WreckWreck ofof TRUKTRUK LAGOONLAGOON Issue 19 A Quarterly Publication U-869 In In our previousour articles, we described the discovery and the long road to the identification ofU-869 off the The Fate Of New Jersey coast. We also examined the revised histories issued by the US Coast Guard Historical Center and the US Naval Historical Center, both of which claimed The U-869 the sinking was a result of a depth charge attack by two US Navy vessels in 1945. The conclusion we reached was that the attack by the destroyers was most likely Reexamined, Part on the already-wrecked U-869. If our conclusion is correct, then how did the U-869 come to be on the III bottom of the Atlantic? The Loss of the German Submarine Early Theories The most effective and successful branch of the German By John Chatterton, Richie Kohler, and John Yurga Navy in World War II was the U-boat arm. Hitler feared he would lose in a direct confrontation with the Royal Navy, so the German surface fleet largely sat idle at anchor. Meanwhile, the U-boats and their all- volunteer crews were out at sea, hunting down enemy vessels. They sank the merchant vessels delivering the Allies’ much-needed materials of war, and even were able to achieve some success against much larger enemy warships. -
Wreck Diver Specialty Course Instructor Guide
Instructor Wreck Diver Guide Wreck Diver Specialty Course Instructor Guide Product No. 70232 (Rev. 4/07) Version 2.0 Instructor Guide Wreck Diver PADI Wreck Diver Specialty Course Instructor Guide © PADI 2007 Portions of the Appendix of this guide may be reproduced by PADI Members for use in PADI-sanctioned training, but not for resale or personal gain. No other reproduction is allowed without the express written permission of PADI. Published and distributed by PADI 30151 Tomas Rancho Santa Margarita, CA 92688-2125 USA Printed in U.S.A. Product No. 70232 (04/07) Version 2.0 2 Specialty Course Instructor Guide Instructor Wreck Diver Guide Table of Contents Introduction How to Use this Guide .......................................................................................5 Course Philosophy and Goals .............................................................................5 Course Flow Options .........................................................................................6 Program Options ................................................................................................7 Section One: Course Standards Standards at a Glance .........................................................................................8 Instructor Prerequisites .......................................................................................9 Student Diver Prerequisites ...............................................................................9 Supervision and Ratios .......................................................................................9 -
EEG and ECG Changes During Deep-Sea Manned Submersible Operation
EEG and ECG changes during deep-sea manned submersible operation Haifei Yang1, Lu Shi1, 2*, Feng Liu3, Yanmeng Zhang2, Baohua Liu4, Yangyang Li2, Zhongyuan Shi2 and Shuyao Zhou2 1SJTU-CU International Cooperative Research Center, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, No.800 Dong Chuan Road, Shanghai 200240, China 2Institute of Underwater Technology, Shanghai Jiao Tong University, No.1500 Long Wu Road, Shanghai 200231, China 3China Ocean Mineral Resources R&D Association (COMRA), No.1 Fu Xing Men Wai Road, Beijing 10083, China 4China National Deep Sea Center (NDSC), No.1 Wei Yang Road, Qingdao 266237, China *Correspondence: [email protected] Abstract Background: Deep-sea manned submersible operation could induce mental workload and influence neurophysiological measures. Psychophysiological responses to submersible operation are not well known. The main aim of this study was to investigate changes in EEG and ECG components and subjective mental stress of pilots during submersible operation. Methods: There were 6 experienced submersible pilots who performed a 3 h submersible operation task composed of 5 subtasks. Electroencephalogram (EEG) and electrocardiogram (ECG) was recorded before the operation task, after 1.5 h and 2.5 h operation, and after the task. Subjective ratings of mental stress were also conducted at these time points. Results: HR and scores on subjective stressed scale increased during the task compared to baseline (P<0.05). LF/HF ratio at 1.5 h were higher than those at Baseline (P<0.05) and 2.5 h (P<0.05). Relative theta power at the Cz site increased (P<0.01) and relative alpha power decreased (P<0.01) at 2.5 h compared to values at Baseline. -
February 2016 Nautilus SCUBA Club
Nautilus SCUBA Club Newsletter February 2016 Dive Trips • Club Meetings • Guest Speakers •Trip Reports cuba clu Cairns QLD Australia s b E: [email protected] . http://www.nautilus-scuba.net s u c l i a t i r n u a s n AUSTRALIA TUSA Dive, Deep Sea Divers Den, Reef Magic Cruises, Mike Ball Dive Expeditions, Editor: Phil Woodhead Cairns SCUBA Air, Calypso Reef Cruises, Poseidon Cruises Cover photo Shey Goddard February Club Meeting Wednesday 24th From 7pm... Junior Eisteddfod Hall 67 Greenslopes Street Cairns All the usual treats ,BBQ, Raffle, and the Nautilus pop up shop This months guest speaker is Jennie Gilbert from the Cairns Turtle Rehabilitation Centre. Jennie will be speaking about the centre and the very worthwhile work and research that it performs CLUB OVERSEAS TRIPVANUATUVANUATU FOR NEXT YEAR 0404 -- 1414 OctoberOctober 20162016 WRECK DIVING IN SANTO & PORT VILA Special Group Departure 11 Days / 10 Nights ex Brisbane from AUD $ 2,750 per Diver Price includes: (Non Diver from AUD $1850 per person) Return flights ex Brisbane to Santo & Port Vila flying with Air Vanuatu (luggage allowance 30kg per person) 6 Nights at Coral Quays Fish & Dive Resort, Santo -standard twin share garden bungalow with roundtrip airport transfers and daily breakfast 10 Shore Dives in Santo at SS President Coolidge & Million Dollar Point – with hotel transfers, dive guide services, tanks & weights 4 Nights at Hideaway Island Resort, Port Vila – twin share lodge rooms with airport transfers, daily breakfast & select resort activities (Kava