- Altitude Deviations STEADES In-depth analysis Giancarlo Buono Regional Director, Safety and Flight Operations, Europe.
Altitude Deviations STEADES In-depth analysis Giancarlo Buono Regional Director, Safety and Flight Operations, Europe.
Slide 1Altitude Deviations STEADES In-depth analysisGiancarlo BuonoRegional Director, Safety and Flight Operations, Europe1AgendaHigh Level Analysis OutcomesIn-depth AnalysisAltitude Deviation ContextAltitude Deviation Contributing FactorsAltitude Deviation Recognition and ResponseAltitude Deviation OutcomeConclusion10 June 2014STEADES Analysis | EUROCONTROL22High level analysis: Summary10 June 2014STEADES Analysis | EUROCONTROL3Event BackgroundsThe majority of altitude deviations occurred during the descent (41%) and approach (19%) phasesThe top three contributing factors for all altitude deviation events were identified as Flight ManagementAir Traffic Management and WeatherEvent EffectsMajority of altitude deviation events were successfully managed and did not have further effect on the flight13% of reports coded with immediate effects, of these:68% Flight Path Deviation Lateral7% Avoidance ManeuverIn-depth Analysis: OverviewSTEADES Analysis | EUROCONTROL4Objective:Analyze ASRs from STEADES database for Altitude Deviation related items in the predefined areas:ContextContributing FactorsRecognition and ResponseOutcomeData set:Random data sample comprising 369 ASRsQ1 2013 to Q4 2013 incl.The random data sample was built on the assumption that throughout all operators reporting to STEADES an altitude deviation is understood as the same type of event10 June 2014In-depth analysis: Limitations10 June 2014STEADES Analysis | EUROCONTROL5Methodology:In-depth analysis includes reading and categorizing each ASRQuality, content and information of ASRs vary depending on information submitted by the flight crewInformation typically included in ASRsAltitude, pilot duties, outcomeManaging Limitations:Due to the limitations some sections of the analysis are based on relatively small proportions of ASRsType of normalization of the random data sample limits regional analysis5ContextAltitude DeviationSTEADES Analysis | EUROCONTROL610 June 2014Context: Flight LengthSTEADES Analysis | EUROCONTROL796% (356 rpts) of overall dataset contained information about flight duration68% Short haul28% Long haul10 June 20147Context: Occurrence Phase10 June 2014STEADES Analysis | EUROCONTROL851% during STAR15% during SID100% (369 rpts) of overall dataset contained information about occurrence phase8Context: Occurrence Altitude10 June 2014STEADES Analysis | EUROCONTROL988% (323 rpts) of overall dataset contained information about occurrence altitude9Context: Pilot Duties10 June 2014STEADES Analysis | EUROCONTROL1052% (191 rpts) of overall dataset contained information about pilot duties50% Captain50% Co-pilot10Context: Automation10 June 2014STEADES Analysis | EUROCONTROL1146% (171 rpts) of overall dataset contained information about automation89% Autopilot 11% Manual11Context: ATC AspectsA vast majority of STEADES ASRs are reported by the flight crew. Therefore, the narratives offer only flight crew perspective on altitude deviations regarding the context. Further information of ATC related aspects will be covered under the Contributing Factors and Recognition and Recovery parts of the analysis.10 June 2014STEADES Analysis | EUROCONTROL12Contributing FactorsAltitude DeviationSTEADES Analysis | EUROCONTROL1310 June 2014Contributing Factors:STEADES Analysis | EUROCONTROL1494% (376 rpts) of overall dataset contained information about contributing factors10 June 2014Contributing Factors: Flight Crew ActionsSTEADES Analysis | EUROCONTROL1572% (266 rpts) of overall dataset contained information about flight crew actions10 June 2014Contributing Factors: ATCSTEADES Analysis | EUROCONTROL1631% (115 rpts) of overall dataset contained information about ATC factors10 June 2014Contributing Factors: WxSTEADES Analysis | EUROCONTROL1714% (51 rpts) of overall dataset contained information about weather10 June 201417Contributing Factors: AirworthinessSTEADES Analysis | EUROCONTROL188% (30 rpts) of overall dataset contained information about technical issues10 June 201418Recognition and ResponseAltitude DeviationSTEADES Analysis | EUROCONTROL1910 June 2014Recognition and Response: RecognitionSTEADES Analysis | EUROCONTROL2095% (351 rpts) of overall dataset contained information about recognition70% Flight Crew29% ATC10 June 201420Recognition and Response: ResponseSTEADES Analysis | EUROCONTROL2169% (256 rpts) of overall dataset contained information about response10 June 201421OutcomesAltitude DeviationSTEADES Analysis | EUROCONTROL2210 June 2014Outcomes:STEADES Analysis | EUROCONTROL2369% (253 rpts) of overall dataset contained information about outcome67% No Impact10 June 201423Majority (89%) with autopilot engagedMajority during standard departures or arrivalsMajority above FL100Equally split between captain and first officerSTEADES Analysis | EUROCONTROL24Conclusion: Context10 June 2014Prime Contributing Factors:Flight crew distractionsDeficiencies in automation managementUnclear instructions from ATCTurbulenceSTEADES Analysis | EUROCONTROL25Conclusion: Contributing Factors10 June 2014Flight crews recognized most altitude deviationsCrews corrected promptly and correctly in most casesATC was able to issue a new clearance in many casesSTEADES Analysis | EUROCONTROL26Conclusion: Recognition and Response10 June 2014Most reported no impact on the flight0.5% of reports indicated reduced separation as a result of the altitude deviationSTEADES Analysis | EUROCONTROL27Conclusion: Outcomes10 June 2014For information on this or any other STEADES analysis products, please e-mail us at:STEADES@iata.org