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Operation Context and Use Case Focus Group
May 31th, 2018
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Agenda Schedule TFMS Flow Feedback TFMS Flight TBFM
Operational Context TBFM Preview
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Schedule May 2018 June 2018 July 2018 Aug. 2018 Sept. 2018 Oct. 2018
TFMS Flow Closeout TFMS Flight Docs TBFM Storyboard June 2018 TFMS Flight Closeout TBFM Docs SFDPS Flight Storyboard July 2018 TBFM Closeout SFDPS Flight Docs FNS Storyboard Aug. 2018 SFDPS Flight Closeout FNS Docs TAIS Storyboard Sept. 2018 FNS Closeout TAIS Docs SFDPS Airspace Storyboard Oct. 2018 TAIS Closeout SFDPS Airspace Docs ITWS Storyboard Nov. 2019 SFDPS Airspace Closeout ITWS Docs ADPS Storyboard Dec. 2018 ITWS Closeout ADPS Docs TFMS Status Storyboard Jan. 2019 ADPS Closeout TFMS Status Docs SFDPS General Storyboard Feb. 2019 TFMS Status Closeout SFDPS General Docs ISMC Storyboard March 2019 SFDPS General Closeout ISMC Docs
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TFMS Flow Closeout
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TFMS – Flow Operational Context
Introduction Describes the purpose of the document and the scope it covers Provides an overview of TFMS system and the information it produces TFMS Flow Overview Provides detailed descriptions of message categories produced by TFMS in the Flow data feed TMIs GDP AFP Reroute CTOP Other Constraints
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TFMS – Flow Operational Context Cont.
TFMS Flow Message Types Provides itemized breakdown of each data element in all message along with a description of the information provided AfpAdvisory afpCancel afpCompression generalAdvisory gdpAdvisory gdpCancel gdpBlanket gdpCompression gsAdvisory gsCancel feaFca reroute ctopDefinition ctopCancel deicingMessage restrictionMessage airportConfigMessage raptTimelineMessage
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Feedback Received Editorial: Structural: Informational: Questions:
Incorporated all editorial feedback received Structural: Adding table to Ops Context document to better organize Message Types information Informational: Received request to provide definitions of element level restrictions (max/min character length, case sensitivity, etc.) This information will be added into the documentation. A process for maintaining update to date information needs to be established. Adding list of acronym definitions to list. Questions: What does “*” mean? Wildcard Within Flight Data description - Are these messages send on a flight by flight basis? IE: flight data changes for one flight so the AU will get a message about that specific flight? Messages are published only containing information for the flight which was affect by the change What is the difference between command change and computed change? Command change: Change which occurred due to controller input Computed change: Change which occurred due to automation input Will a message contain all elements listed, or a subset? Not all elements listed will be included. Each message has a subset of elements which are “required” and the rest are “optional”. Optional elements are only included when needed. See XML schema for details.
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TFMS Flight Overview
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Decomposition of TFMS Flight Data Elements
Traffic Flow Management Service – Flight Information Flight International Terminal Flight Plan Data Departure and Arrival time notifications Flight cancellations Boundary crossings Track position reports NCSM information Filed flight plan Flight plan amendment Flight arrival notification Flight departure notification Flight plan cancellation Departure delay notification Flight track position report Oceanic track position report Notification that no additional reports will be received for a flight Target times for movement area entry Off-block time Take-off time Projected wheels-up time
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TFMS – Flight Operational Context
Introduction Traffic Flow Management System Overview TFMS Applications TFM Flight Data Service Overview Flight Data Messages: Overview Message Overview and Usage Schedule Data CDM Messages ATC Messages Miscellaneous Sources Flight Data Messages: Definitions Flight Plan Information Flight Plan Amendment Information Departure Information Arrival Information Flight Plan Cancelation Boundary Crossing Update Track Information Oceanic Report Beacon Code Assignment Flight Create (NCSM) Flight Modify (NCSM) Flight Control (NCSM) Flight Schedule Activate (NCSM) Flight Route (NCSM) Flight Sectors (NCSM) Flight Times (NCSM)
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TFMS – Flight Operational Context
Flight Data Messages: Definitions flightPlanInformation flightPlanAmendmentInformation departureInformation arrivalInformation flightPlanCancellation boundaryCrossingUpdate trackInformation oceanicReport beaconCodeInformation ncsmFlightCreate ncsmFlightModify ncsmFlightControl ncsmFlightScheduleActivate ncsmFlightRoute ncsmFlightSectors ncsmFlightTimes Background on how Legacy ASDI is processed by TFMS
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TBFM Preview
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Decomposition of TBFM Data Elements
Time Based Flow Metering Aircraft Info Flight Plan Info ETAs STAs Scheduling Info MRE Assignments Configuration Info Arr Airport Config Info Acceptance Rate Airport TRACON Meter Point Runway Super Stream Class Config Adaption Info TRACON Name Group MRE Names Gate Names Airport / Runway Config Names Synchronization System Sync Start Periodic Sync Start Periodic Sync End Other TBFM Metering Status TBFM Interface Status Data Quality Address Qualifier
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Sourcing Time Based Metering Information
Goal is to develop a common understanding of the data Data analysis will include traceability of data Includes discussion on how data is used in the NAS
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Current State: NAS Operations
Aircraft departs for constrained airport Ninety minutes from destination TBFM creates an arrival plan for the aircraft Arrival plan includes the ETA and STA at metering fix and runway The STA at the runway is the time when the aircraft is scheduled to land Controllers manage flights to meet these times FOC unaware of STA: does not know when aircraft will arrive, negatively affecting gate assignments, passenger connections, crew and aircraft rotations decisions FOC planning negatively affected due to lack of accurate arrival time data (STA) ATC Creates Arrival Plan for Aircraft Updated ETA/STA Manages aircraft accordingly Arrival FOC Unaware of metering plan Using original ETA Attempting to allocate resources based on inaccurate information The intent of this slide is to help drive engaged discussion to identify the range of considerations in the current state We want to be sure we capture the hottest issues to the community for the written use case, and reference for future exchanges Landing / Taxiing In
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Problem Statement Departure Arrival ATC Perspective Departure Arrival
En-route Traffic demand exceeds capacity at destination airport Controllers enact a TMI to begin metering aircraft prior to arriving at destination airport Aircraft is slowed down and the arrival time is pushed back A new STA is issued for the aircraft and shared with down stream controllers Aircraft arrives as planned per the updated STA Backup on taxiway due to unplanned congestion in non-movement area causes delay on ground Aircraft Departs on Time Departure Arrival ATC Perspective Aircraft is slowed down and the arrival time is pushed back ADC notices the slowdown but does not know what the new arrival time will be Aircraft arrives later than planned ADC works to reallocate ground resources to handle late aircraft Backup on taxiway due to unplanned congestion in non-movement area causes delay on ground Aircraft Departs on Time Goal is to have engaged discussion around the problem to determine root cause Want to engage the producer to help reflect a common understanding of the problem we’re seeking to solve Departure Arrival AOC Perspective Pre-Flight Push Back / Taxiing Out Take-off / Departure Cruise / Enroute / Oceanic Approach Landing / Taxiing In
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Time Based Metering Information Service
Service Description The TBFM Metering Information Service publishes metering information to allow the TBFM system, FAA systems (e.g. TFMS), and industry to collaborate, share TBFM data and be informed of TBFM STAs that are in effect during metering events. Service Interface Publish/Subscribe via JMS Message Sets Message Name Description Supported Properties Aircraft Information Provides metering information about an aircraft; specifically: flight plan (relevant subset), STAs, ETAs, Meter Reference Elements (MREs) Assignments, and scheduling group information Data Group, ARTCC Configuration Information Provides metering information about the configuration of the system; specifically: airport configurations, airport acceptance rates, TRACON acceptance rates, gate acceptance rates, Meter Point acceptance rates, runway acceptances rates, super stream class configurations, and satellite airport configurations Other Information Provides metering information about the status of metering and the status of system interfaces Adaptation Information Provides information about applicable system adaptation to include TRACON names, gate names, configuration names, Meter Reference Point names, and stream class names Sync Sent only to indicate an impending refresh of all TBFM data, either as a result of system startup or a periodic synchronization event.
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References SWIFT Focus Group Website
TFMS Flight – Operational Context Document TFMS Flight – Use Case Document Please review and provide feedback by June 15th, 2018 Contacts Stuart Wilson Felisa White
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