Design & application of cdo for ahmedabad airport within ahmedabad tma

ICAO PANS OPS DOC 8168 OPS/611 Volume II

AHMEDABAD AIRPORT

Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMAArvind Kumar SinghAhmedabad

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Personal DetailsEighteen years of working experience as an ATCO and in airside & airport operationJoined AAI in 1998Educational Qualification: B. Sc., MBA(HRM),GATE-98Professional Qualifications/Training: ATC Training, Instructors Training Course, PANS-OPS, Airside/Airport Operations, Aviation Law & AnnexesAwarded Principals Cup in ADC/ APP & ACCHaving all the procedural and surveillance rating of AhmedabadOJTI for procedural and surveillanceDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Airports Authority of IndiaANSP and major Airport Operator with 30 different departments125 airports including 68 operational and 26 civil enclaves.Provides ANS at all Indian airports and 2.8 million square NM of Indian airspaceTraining of ANS/airport personnelDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

Design of CDO procedure for RWY 23 at Ahmedabad airportData and information of CDO procedureSOP/Instruction for flight crew and ATCOsSafety AssessmentImplementation procedure Objective & Purpose4

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Out LineIntroduction: aim & objectives of studyIntroduction of authorBenefits, requirements contributing factors in Ahmedabad TMAProject ManagementDesign & Applications and SOPImplementation & verificationConclusion, contribution of the study, limitations & direction for futureDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Continuous Descent Operation

ThrustEntire Descent & ApproachLeast Possible ThrustHighest possible altitude

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Efficient use of airspace and arrival routesConsistent flight paths and stabilized approachReduction in pilot and controller workloadFuel saving/Cost savings & environmental benefits through reduced fuel burnReduction in noiseDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

Benefits of CDO

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CDO Design OptionDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

Open Path Design: Vectored CDO Procedure Open CDO Procedure to Down-windUnknown distance and DTG estimate by the ControllerClosed Path Design: Known Distance

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Ahmedabad TMADesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Existing CDO ProcedureTrial CDO from May-2013 by tactical vectoringAcceptance taken from aircraft Agreed aircraft cleared for CDO Provided DTGRecord of fuel saving reported by aircraftNOTAM was taken for trial operation and periodically revisedDTG information is not accurate and flight path may not fully optimizedDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Cost benefit, fuel efficiency & carbon emission analysisDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

Total no. of arrival(A)65% of A(B)Average Fuel saving Per Flight (C)Per day Fuel saving (D=BXC)Annum fuel Saving (E=DX365)7549135 Kg6615 Kg2414475 Kg2414 Tons

Due to non availability of specific published procedure of CDO, limited aircraft perform CDOAverage no. of schedule aircraft movements per day: 150 (75 ARR & 75 DEP)After establishment of CDO procedure, 65% arrivals can perform CDO (Type of acft A320 & B737 )Fuel saving in terms of Rs/USD per annum (F=EXRs. 49.287) Fuel saving in terms Carbon Emission per annum (G=Ex3.2)Rs. 119 million USD 17. 55 Lacs (@67.8)7726320 Kg7.72 MT

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Hypothesis and Constraints Hypothesis/AssumptionsATS by surveillance in en-route and terminalInstrument approach procedures and ILS equipmentFlyablity test by procedure designerAccommodate variety of aircraftNecessary approval from regulator by flight FPD section and ANSPAdvance intimation by ANSP through AIP supplement.Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

12ConstraintsImplementation depend upon approval from regulatorAircraft having RNAV 1 capabilitySurveillance requiredProcedure should support existing IAL procedures.

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DeliverablesDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

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Project Network DiagramDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA14

Conceptual DesignStakeholder reviewDesign of CDO procedureFlyability Test Stakeholder reviewSafety AssessmentFlight Simulator EvaluationATC Training Pilot TrainingOperational Flight Trial Certification and approvalPublication of procedurePost implementation analysis

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Schedule & Cost Estimation of the ProjectSchedule of the Project: Eight and half months from conceptual level to implementation.Cost EstimationDesign & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

S. No. DeliverablesCost in Lacs (INR)1.Design of CDO procedure & Flyability Test(Ground Simulation)6.002.Training (ATC).503.Miscellaneous.50Total (In INR)7.00 Lacs

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CDO Procedure for RWY 23Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMA

Closed STARs are the best solution for CDO in view of medium density of trafficConstructed in accordance to ICAO Document 9931 & 8168Designed by the TARGETS & passed the flyability test of TARGETSCharts are prepared accordingly. Compatible with proposed RNP procedure Altitude at way points is at or above to facilitate different type of aircraft.Coding table with Distance to Go information.CDO can be requested by pilot or initiated by ATC.16

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CDO RNAV-1 Standard Instrument Arrivals

Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMAS. No.ATS RouteTransitionRNAV STAR1.W13,Q3UUDHAKEM2Q4ADBUK3W13NAPANOPLOMA4W97QQZ5N895, W40,G472BODARTASHU6N893,G472VASLALAJER7W62RKTLUPKA8W135LADUP

RNAV Holding ProceduresHoldingWaypointLatitude and Longitude of Holding WaypointInbound course Deg. Mag.Outbound Leg(Min)TurnMinimum Holding Altitude (Ft.)Maximum Holding Altitude (Ft.)HAKEMN23 29' 12.67"E073 04' 28.88" 2251LeftF090-PLOMAN22 45' 24.29"E072 55' 25.87"3581RightF080-

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PLOMA & TASHU RNAV-1 Arrival RWY 23

Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMA18

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Coding Table of PLOMA RNAV-1 Arrival RWY 23

Leg No.Leg TypeWay Point NameFlyoverMagnetic CourseTrue CourseDistanceAltitudeSpeedTurn DirectionNavigation performanceDTGFormal Description ( Transition APANO) 10 IF APANO- 0F250+ RNAV-1110.220 TF PLOMA-357.59357.3470.2F080+K250- RNAV-140Formal Description( Transition QQZ) 10 IF QQZ-F150+RNAV-170.3720 TF PLOMA-326.88326.6330.37F080+K250-RNAV-14010 IF PLOMA- 0F080+K250-RNAV-14020 TF AH677-351.99351.749.2 RNAV-130.830 TF AH611-351.97351.725 RNAV-125.840 TFIDNEP-351.42351.178.93000+K210-RNAV-116.950 TFNIXUM-314.97314.726.372000+ LRNAV-110.5360 TF AH809-224.98224.7352000K180-LRNAV-15.5370 TFRWY 23-224.98224.735.53430RNAV-1


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HAKEM RNAV-1 Arrival RWY23


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LAJER & LUPKA RNAV-1 Arrival RWY 23


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Departures (Associated SIDs)

S. No.ATS RouteTransitionRNAV SID1W13N, Q3UUDFAROG2G451, N895SASRONEWAL3W62RKT4W13SBVR5W97QQZ6W40, N895, G472BODAR7W135LADUP

Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMACDO RNAV STARs, SIDs of runway 23 has been revised to facilitate departure22

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NEWAL RNAV Departure RWY 23


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FAROG RNAV-1 Departure RWY 23


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SOP/Instructions for Flight Crew & ATCOsConditions for Conducting CDO: Availability of runway, ILS and AOMRequirements for flights: like equipmentsPreparations for CDO: Flights meets the requirementCDO Execution: PhraseologyDeviation from lateral or vertical path: For sequencing or to accommodate departuresTermination of a CDO: CDO can be terminated on the basis of traffic Safety AssessmentSize of change : Small Safety outcome of change : MinimalOverall Safety Magnitude of the Change: Minor


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ImplementationBy the collaborative effort of all stakeholdersCommitment from ManagementPlanningConceptual design and risk assessment with all stakeholders and their readinessImplementationDesktop/ground flyability testTraining of ATCOs & flight crewSubmission to regulator for approvalIntimation through AIP Supplement.


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Verification STARs and SIDs passed flyability assessment for heavy, large and small jets asLeg length to complete turn, Speed constraints, Altitude constraintsAbility to join outbound leg after completion of flyby turnAbility to fly over a waypoint on the correct headingDesktop simulation by TARGETS and found satisfactory.Charts submitted to Indigo airline for flight simulation to check the advantages of CDO


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Contribution of the StudyCDO RNAV STARs are from all existing routes for Ahmedabad Roadmap for implementation of CDO at Indian airportsSimilar procedure can be implemented at medium density airportSTARs are in line with existing IAL procedureClosed STAR will reduce workload of flight crew and ATCOs Provide more accurate informationMilestone from trial CDO to implementation of CDO in India


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Proposed CDO RNAV STARs have less distance to touch down as compare to existing STARSs

S. No.ATS RouteExisting STARDTG from Existing STARDTG from Proposed STAR TransitionProposed RNAV STAR1.W13,Q3UUD 1 A115NM114.58 NMUUDHAKEM2Q4-153.79 NMADBUK3W13NAPANO 1A133.91110.2 NMAPANOPLOMA4W97QQZ 1 A102.8170.37 NMQQZ5N895, W40,G472BODAR 1A100.7798.69 NMBODARTASHU6N893,G472VASLA1 A126.13111.59 NMVASLALAJER7W62RKT1 A144.51140.98 NMRKTLUPKA8W135--125.80 NMLADUP

Design & Application of CDO for Ahmedabad Airport within Ahmedabad TMAContribution of the study29

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Direction for Future Study on a larger scale may include Indian airports, to set a benchmark for implementation of CDOSimilar procedure can be developed & implemented for runway 05 of Ahmedabad & other Indian airportEnrich the ANSPs, airlines operator and other stakeholders for understanding and benefits of CDOStep towards 4D trajectory to achieve the goal of global aviation community


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SummaryLack of any published procedure, most of the time CDO is not carried outATCO hesitate to give CDO, anticipating the future traffic scenarioWell established CDO procedure rendered benefits to airlines and ANSPCDO RNAV STARs & associated SIDs and procedure is guideline for ATCOs and pilots for executionLess fuel consumption have direct positive impact on operational cost & contribution for sustainable aviationAvailability of published procedure will encourage pilots for execution of CDOImplementation of such procedure is essential for Ahmedabad and other airports as per requirement of time and in line with ASBU


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Design & application of cdo for ahmedabad airport within ahmedabad tma

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