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Seguridad marítima

Preventing ship collisions: is technology the answer? https://www.ship-technology.com/features/ship-collisions/

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Category: Seguridad marítima
Published on Sunday, 16 August 2020 03:37
Written by Administrator2
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https://www.ship-technology.com/features/ship-collisions/

 

 

By Alexander Love
 
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Despite the evolution of navigation equipment, ship collisions still occur and can be devastating for crew and cargo. How can technology help prevent collisions, and do existing regulations need to change as shipping moves into a more digital era?

Screen image of vessel collision prediction technology. Credit: Fujitsu.Even a minor collision can be enough to disrupt operations.A ship’s radar is one method used to detect other ships and avoid collisions.Evaluation by operation controller at the Tokyo Wan Vessel Traffic Service Center. Credit: Fujitsu.Screen image of vessel collision prediction technology. Credit: Fujitsu.Even a minor collision can be enough to disrupt operations.

Sign up here for GlobalData's free bi-weekly Covid-19 report on the latest information

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Manoeuvrin 2n grade

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Category: Seguridad marítima
Published on Monday, 06 July 2020 23:05
Written by Administrator2
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https://www.ezs.nl/uploads/2/9/5/6/29563113/

manoeuvring_2nd_grade_-_block_2.pdf

 

1. The suction of the propeller will increase the velocity of the water from v0 till v1, until the water reaches the propeller

2. Because of the increase in speed the pressure will reduce from p0 to p1

3. The propeller will pass energy to the water, the velocity has already

increased, therefore the supply of energy will effect an increase in pressure: p2

4. After the water has passed the propeller, the water pressure in the propeller wake will reduce again to the pressure of the surrounding water. p3=p0

5. As a result the velocity of the water will increase from v1 to v2. The propeller wash will contract, rotating and will cause an even spread of the water flow along the rudder surface

 

 

 

Protecting seafarers and the global supply chain during Covid-19

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Category: Seguridad marítima
Published on Wednesday, 13 May 2020 01:46
Written by Administrator2
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  •  Massachusetts Institute of Technology
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Professor Thomas Peacock is a member of the UN Global Compact Task Force urging coordinated international response for offshore and shipping industries.

Mary Beth Gallagher | Department of Mechanical Engineering

May 12, 2020

Press Inquiries

 

The offshore and shipping industries are grappling with unique challenges in the face of the Covid-19 pandemic. The virus’ rapid spread on ships like the Diamond Princess and USS Theodore Roosevelt highlighted the health risks that the 1.2 million workers currently at sea face. Travel restrictions and closed borders offer an additional challenge by not only disrupting the global supply chain, but preventing scheduled crew changeovers from taking place.

To address these issues, the UN Global Compact Action Platform for Sustainable Ocean Business

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New rules make lifeboats safer

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Category: Seguridad marítima
Published on Tuesday, 16 June 2020 03:53
Written by Administrator2
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Navim Group provided the davits for Costa Venezia

Riviera

31 Jansafer 2020by Rebecca Moore

The impact of the new 2020 lifeboat rules on the passenger ship industry are examined

On 1 January 2020, new rules regarding the maintenance, examination, operational testing, overhaul and repair of lifeboats and rescue boats came into force. The new requirements are described in Resolution MSC.402(96) and provide regular inspections of:

  • Lifeboats including free-fall lifeboats, rescue boats and fast rescue boats.
  • Launching appliances and on-load and off-load release gear for lifeboats, rescue boats, fast rescue boats and davit-launched life rafts.

The inspections are to be conducted on a weekly, monthly, annual and five-year basis.

The key phrase in the documentation is “authorised service providers”. This does not have to be a

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Safety of Life at Sea: COVID-19 and Naval Operations

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Category: Seguridad marítima
Published on Wednesday, 22 April 2020 10:01
Written by Administrator2
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 maritime executive

USS Theodore Roosevelt at Guam (U.S. Pacific Fleet)

BY THE LOWY INTERPRETER 04-20-2020 02:05:47

 

 

[By Dr. Sam Bateman]

The potential impact of COVID-19 on naval operations has been highlighted by reports that over half of the 2,000-plus sailors aboard the French carrier Charles de Gaulle have tested positive for COVID-19. The ship left a NATO exercise ten days early and returned to port in Toulon to allow disembarkation of sick crew members and sanitization.

The U.S. Navy has experienced similar challenges with outbreaks of varying size on four carriers – the USS Ronald Reagan (at Yokosuka), USS Nimitz (at Bremerton), USS Carl Vinson (at Bremerton), and USS Theodore Roosevelt in port at Guam. The outbreak of Covid-19 onboard the Theodore Roosevelt with more than 600 confirmed cases and one sailor dying had major

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