Posts Tagged ‘Safety’

Article – The Devil and the Deep Blue Sea

January 27, 2010

This article was first published in Safety Systems (the UK Safety-Critical Systems Club Newsletter), Vol. 18, No. 2, January 2009.

The Devil and the Deep Blue Sea

A personal perspective from the ATM industry by Rob Weaver

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The Nimrod Review

January 25, 2010

Nimrod XV230 was lost on 2 September 2006, whilst on a mission over Helmand Province in Southern Afghanistan, in support of NATO and Afghan ground forces.  XV230 suffered a catastrophic mid-air fire, leading to the total loss of the aircraft and the death of all 14 Service personnel on board.

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Definition: Risk

April 18, 2008

Risk – Combination of the likelihood of harm and the severity of that harm.

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Definition: Safety Management System

April 18, 2008

Safety Management System – The organisational structure, processes, procedures and methodologies that enable the direction and control of the activities necessary to meet safety requirements and safety policy objectives.

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Definition: Safety Case

April 18, 2008

Safety Case – A structured argument, supported by a body of evidence that provides a compelling, comprehensible and valid case that a system is safe for a given application in a given operating environment.

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Definition: Hazard

April 16, 2008

Hazard – A physical situation or state of a system, often following from some initiating event, that may lead to an accident.

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Definition: Accident

April 16, 2008

Accident – An unintended event, or sequence of events, that causes harm.

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GSN Patterns

April 16, 2008

This entry describes the notation for GSN Patterns which can be used for writing generic arguments that can be reused. The basics of GSN can be found here.

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The Goal Structuring Notation (GSN)

April 4, 2008

This entry describes the basics of the notation which can be used for writing arguments. A list of web resources on GSN is provided at the end of the entry. GSN has been used for writing arguments in:

  • Safety
  • Dependability
  • Security

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Standards

April 4, 2008

As with any professional discipline, standards are at the centre of our work.

This entry provides:

  • A list of relevant safety standards categorised by industrial domain.
  • A list of other relevant standards by project stage (e.g. requirements & coding standards).
  • A list of reference texts which give further detail about standards

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