ICAO Aerodrome Safety Workshop Almaty, Kazakhstan – 18 to 22 November 2002 DEFINITIONS
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November OVERVIEW QHAZARD QRISK QPROBABILITY QCONSEQUENCES QALARP (As Low As Reasonably Practical) QSAFETY QSAFETY PERFORMANCE INDICATORS QSAFETY MANAGEMENT SYSTEM QRISK ANALYSIS
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Hazard (1) A scenario which, if it occurs, can have negative consequences to personnel, material (or the environment)
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Risk Risk = Probability * Consequences
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Consequences QCatastrophic QHazardous QMajor QMinor
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Risk Tolerability
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November ALARP As Low As Reasonable Practical Risk Limit Risk Target Cost/Benefit
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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)
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Safety Performance Indicators (1) QNecessary to monitor safety performance QNecessary to identify areas for improvement
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Safety Performance Indicators (2) Fatal accidents per million movements not useful for individual aerodromes Incidents which have a severe potential
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Safety Performance Indicators (3) QMovement Area Safety QPavement Maintenance QWinter Operation QElectrical Services QRFF
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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.
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Safety Management System (2) QA systematic approach to safety QSafety shall be managed and controlled QAn organisation QProcedures QA safety policy QImplementation
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Risk Analysis (1) QA systematic approach for describing and/or calculating risk QQuantitative or Qualitative
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November 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
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November Review Some central terms related to safety management Most are NOT found in Doc 9774 All are in the hand-out
Aerodrome Safety Workshop - Almaty, Kazakhstan - 18 to 22 November QUESTIONS?