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Page 1 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Wim Tytgat (Sabena) & Olivier Delain (EEC) BRUSSELS AIRPORT CDM PROJECT.

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Presentation on theme: "Page 1 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Wim Tytgat (Sabena) & Olivier Delain (EEC) BRUSSELS AIRPORT CDM PROJECT."— Presentation transcript:

1 Page 1 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Wim Tytgat (Sabena) & Olivier Delain (EEC) BRUSSELS AIRPORT CDM PROJECT

2 Page 2 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 CDM Modelling Functional CDM Model Collaborative Improvements CDM Instantiation Implementation Identification of user cases/actors Business Process Description Identification of problems &targeted improvements Making Choices Proposal Refinement Identification of Metrics/Indicators Preparation of implementation Description of Experiments Scope & Objective Modelling Tool Devising & Testing alternative policies Evaluating Benefits against dashboard 1 2 3 4 Project Articulation

3 Page 3 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Problem with Data Quality Problem with Data Quality Predictabiliy, Accuracy, Completeness, Predictabiliy, Accuracy, Completeness,Timeliness Wrong / Bad Decisions Reduction of the last minute gate changes ? Between A r r i v a l and D e p a r t u r e CDM Objective

4 Page 4 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Departure Accuracy: Actual-Estimated time (min) Timeliness: Horizon (min) Poor quality of information..... Results in Arrivals Wrong / bad decisions Quality of Information

5 Page 5 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Planned PlannedRotationsVs.Reality Zoom Zoom

6 Page 6 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Missed Slot DEPARTURE Punctuality Wrong Taxi out time Predictability and Accuracy EOBT High sensitivity to : Hub Effects & Weather 08:25 CTOT 09:15 ATFM Delay = 30 Taxi Time = 20 08:19 Pilot: Ready ! TWR: Please call at 08:55 08:55 TWR: No 7 for SUC 09:13 SUC SUC: 1808:55Taxi Out: 29 AOBTATOT 09:42 ReadyTake off 1h23 Taxi-out Estimate: 5 Life Example

7 Page 7 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Last minute gate change Waste of Capacity Uncertainty Planning Under Uncertainty S/G Managment Slack Time 15 Slack Time 15 EIBTEOBTEIBT EOBT AIBT Disruption (missing pax, connecting px) AOBTEIBT 2 Reality AIBT Gaming Theory...... Experience may lead to late S/G change SAB2468SAB1357

8 Page 8 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Airport S/G conflicts Inefficient Inefficient Use of Resources Throughput ATC TWR Unused RWY Unused RWY Slots Slots Departure Sequence Throughput CFMU Slot Adherence Lost slots OverdeliveriesSystemInefficiency AOs Induced Effects DelaysCosts Summary ATC En Route OverloadsReducedCapacitySafety G. Handling Conflicts Inefficient Inefficient Use of Resources Throughput

9 Page 9 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Reduction of the last minute changes Proposals / Enablers 1: Milestones approach (set and control) 2: Propagation of information available at outstation ETD/ETA 6: Determine and publish taxi out time (gate=elementary element) 3: Airport (S&G) View on CFMU operational decisions (slots) 4: ETA updates en-route / ETD next legs impact 5: TOBT: target off block timeArrivals Departure 7: Pre-notice Start up Clearance Delivery (reduceduced R/T)

10 Page 10 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Disencentives exist for airlines to publish the real EOBT, Double Penalty Phenomenon Mutual lack of understanding result in delays, absence of flexibility, lack of efficiency, etc (change of attitude by training) Today - Day of Operations 07:00 AOBT ATA EOBT 08:40 09:25 ATOT AOBT ATA EOBT ATOT 07:00 08:40 09:25 CTOT Late implementation, rectification or extension of a regulation nearby may lead to penalties NEW CTOT NEW EOBT

11 Page 11 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 EOBT [N+1]-30 TOBT [N+1] init Milestones Approach TIME-BASED ETA [N], EOBTs (next leg & connecting flights) ETA [N]-30 In flight phase Surface [outstation] Surface [Brussels Station] In flight phase MILESTONES M1 M2 M3 M5 M6 M9 M10 M4 M7 M12 M11 M13 M14 M15 M16 M17 M18 M19M8 EVENT-BASED SIT1 N SIT1 N+1 ATA AIBT N-1 N-1 AOBT ATOT N N FDO SB GC DC SUR SUC AOBT ATOT ATA AIBT N+1 N+1 ATA AIBT N N update ETA [N] EOBT [N]-20 At EOBT [N] -2h At EOBT [N+1] -2h

12 Page 12 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Landing Clearance Taxi-in clearance Aircraft In Block Jetways Deployed 1st Door Open Cargo Doors Opened First Bag Unloaded (arrival status) Last Bag Unloaded (arrival status) Check in Open Final Call Check in Closed Gate Closed Bus Call (remote) Embarkation Complete (remote) Flight Attendants Ready Cabin Ready Refuelling Start Refuelling Finished Start Boarding End Boarding First Bag Loaded (departure status) Last Bag Loaded (departure status) Cargo Doors Closed Cabin Doors Closed A/C Doors Closed Pilot Ready Start Up Request Start Up Clearance Ready to Push Pushback Start De-icing End De-icing Taxi Out Clearance Take Off Clearance Surface Target OBT Belgocontrol Parking Control Sabena OCC Ground Handling EOBT-30 Update EOBT TOBT TOBT-20 Init. TOBT Confirmed TOBT Adjust TOBT TOBT Window

13 Page 13 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 EOBT [N] -20 EOBT [N] ETA [N] CTA [N] TOBT ETA EOBT [N+1] [N+2] EOBT [N+1] Inbound Flight [N] ATA < 15 ATA < 6 ATA ATOT ATA AOBT ATA AOBT < 5 EOBT [N] -20 ATA -8 < ETA { "@context": "http://schema.org", "@type": "ImageObject", "contentUrl": "http://images.slideplayer.com/753461/2/slides/slide_12.jpg", "name": "Page 13 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 EOBT [N] -20 EOBT [N] ETA [N] CTA [N] TOBT ETA EOBT [N+1] [N+2] EOBT [N+1] Inbound Flight [N] ATA < 15 ATA < 6 ATA ATOT ATA AOBT ATA AOBT < 5 EOBT [N] -20 ATA -8 < ETA

14 Page 14 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Existing Airport Central Data Base (CDB) Completeness Data Quality & Milestones Performance CDM Processes DATAREPOSITORYDATAREPOSITORY Firewall CFMU ATC Airport AOs Ground Handling BRUSSELSOther Site SLA BIAC Belgocontrol Sabena Other AOs Other Handlers CDM Contract Architecture

15 Page 15 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Collaborative Pre-Start-Up Clearance TOBTTOBT-20 TOBT Updates window EOBT-30 AIRLINE, PILOT HANDLING AGENTS RESPONSIBILITY CTOT Window TOBT accuracy 5 ATC RESPONSIBILITY PILOT MUST BE READY FOR PUSHBACK TWR: START-UP CLEARANCE TWR/ PLANNER: PREPARE SEQUENCE PUSHBACK 2 TOBT accuracy 5 TOBTESUC SUC PUSHBACK TAXI TAKEOFF UNECESSARY TO REQUEST START-UP TOBT-20

16 Page 16 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Slot Adaptation Proposal Delays: AOC + ATC + CFMU = AOBT ATOT TOBT Taxi Time CTOT Slot Adaptation? New CTOT TOBT + T.T + SLOT = SAP SAP ESUC SUC Taxi Time Tower Delay CTOT ATFM Delay Taxi-time 20 CFMU Delay > 15 EOBT-30 TOBT-20 TOBT A.O.C / Handlers EOBT

17 Page 17 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Propagate the approach to other actors in Brussels (AOs, Handlers) Implement Approach and Analyse Benefits (Early 2002) Develop Data Quality Framework (Metrics, Tool) Build Service Level Agreements Develop co-operation with CFMU around Milestones approach (TOBT) Enhance Taxi Time Prediction Develop new collaborative procedures 2002 Axes

18 Page 18 BRUSSELS CDM 2001 TIM 8 (Washington) - November 1,2001 Used Acronyms SIT1 SLOT ISSUE TIME (CFMU) ESUC ESTIMATED START UP CLEARANCE EOBT ESTIMATED OFF BLOCK TIME SUR START UP REQUEST TOBT TARGET OFF BLOCK TIME SUC START UP CLEARANCE AOBT ACTUAL OFF BLOCK TIME TT TAXI TIME CTOT CALCULATED TAKE OFF TIME (CFMU) ETD ESTIMATED TIME OF DEPARTURE ATOT ACTUAL TAKE OFF TIME ETA ESTIMATED TIME OF ARRIVAL CTA CALCULATED TIME OF ARRIVAL ATA ACTUAL TIME OF ARRIVAL AIBT ACTUAL IN BLOCK TIME FDO FIRST DOOR OPENED SB START BOARDING GC GATE CLOSED DC DOORS CLOSED


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