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ICAO Aerodrome Safety Workshop Almaty, Kazakhstan – 18 to 22 November 2002 DEFINITIONS
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20022 OVERVIEW QHAZARD QRISK QPROBABILITY QCONSEQUENCES QALARP (As Low As Reasonably Practical) QSAFETY QSAFETY PERFORMANCE INDICATORS QSAFETY MANAGEMENT SYSTEM QRISK ANALYSIS
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20023 Hazard (1) A scenario which, if it occurs, can have negative consequences to personnel, material (or the environment)
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20024 Hazard (2) Examples related to an aerodrome: -An aeroplane leaving the runway -Aeroplanes colliding on the runway -Aeroplanes colliding on the movement area -A vehicle colliding with an aeroplane -Aircrew being misled by confusing visual aids
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20025 Risk Risk = Probability * Consequences
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20026 Probability QExtremely improbable (<E-9) QExtremely Remote (E-7 – E-9) QRemote (E-5 – E-7) QReasonable Probable (E-3 – E-5) QFrequent (E-3) QAll per flight hour or per movement QQualitative definitions also available
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20027 Consequences QCatastrophic QHazardous QMajor QMinor
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20028 Risk Tolerability
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 20029 ALARP As Low As Reasonable Practical Risk Limit Risk Target Cost/Benefit
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200210
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200211 Safety (1) Doc 9735: A condition in which the risk of harm and damage is limited to an acceptable level Air Navigation Commission: The state of freedom from unacceptable risk of injury to persons or damage to aircraft and property
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200212 Safety (2) Practical terms: All risk levels kept below the risk limit (ALARP figure) All risks are kept in the acceptable region (Risk Tolerability Matrix)
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200213 Safety Performance Indicators (1) QNecessary to monitor safety performance QNecessary to identify areas for improvement
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200214 Safety Performance Indicators (2) Fatal accidents per million movements not useful for individual aerodromes Incidents which have a severe potential
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200215 Safety Performance Indicators (3) QMovement Area Safety QPavement Maintenance QWinter Operation QElectrical Services QRFF
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200216 Safety Management System (1) Doc 9774: Safety management system. A system for the management of safety at aerodromes including the organizational structure, responsibilities, procedures, processes and provisions for the implementation of aerodrome safety policies by an aerodrome operator, which provides for the control of safety at, and the safe use of, the aerodrome.
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200217 Safety Management System (2) QA systematic approach to safety QSafety shall be managed and controlled QAn organisation QProcedures QA safety policy QImplementation
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200218 Risk Analysis (1) QA systematic approach for describing and/or calculating risk QQuantitative or Qualitative
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200219 Risk Analysis (2) QA description of problems and objectives QSelection of procedures, methods and data sources QIdentification of undesired events QAn analysis of causal factors and consequences QA description of risk QMitigating measures QPresentation of results
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200220 Review Some central terms related to safety management Most are NOT found in Doc 9774 All are in the hand-out
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Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 200221 QUESTIONS?
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