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| Traffic Flow Management Focus Area Discussion Summaries |
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Topic 1: Information Dissemination to Achieve Common Situational Awareness–Traffic
Flow Management Team
- Must have option for all to see exactly the same thing
- Information elements (demand lists, weather displays, Flow Constrained
Area [FCA] boundaries)
- Update rates (Monitor Alert refresh, data in from centers)
- Need to define better (or different) measures of system capacity and
demand complexity
- Monitor Alert Parameter (MAP) values do not always reflect available
capacity
- Sector throughput may be useful way to aggregate demand
- Same information to all airspace users may cause congestion problems
if they all choose the same reroute
- Ability to be proactive, and achieve consensus, is limited by current
weather and en route demand forecast capabilities
- Identifying flow problem areas (initial and ripple responses)
- Capturing flights contributing to problem or that will be affected
by proposed mitigation strategies
- Defining acceptable congestion mitigation strategies (reroutes
and associated metering)
- Achieving consensus on future situation difficult
- Different forecast capabilities amongst participants
- Training of personnel involved in consensus process
Topic 2: Automation and Procedures Development–Traffic Flow Management
Team
- Need to improve quality and timeliness of data
- Speed at which data is made available within the system
- Update rate of data driving alerting function is not timely
- Need to be able to better define resource (airport, fix, sector, etc.)
throughput and capacity (e.g., MAP values, airport arrival rates)
- Automation system predictions need to be more responsive to real-time,
flight related changes
- Altitude changes
- Deviations from filed routes
- Need to reduce miles-in-trails (MITs) to minimum that is effective
- Tools needed to help analyze impact of proposed and active MITs,
including interactions with other initiatives
- En route metering could be an alternative to MITs
- FAA collaborate more with airlines at hubs to find give and take in
schedules
- Jointly assess impact of current airport scheduling
- Need to be able to manage Ground Delay Program (GDP) based on what
individual arrival fixes can handle
- MIT and GDPs currently go hand in hand to manage airport and fix
volume constraints
- Have more involvement of FAA and industry in tool development and
testing
- Prioritize tools and their deployment sites
- Expedite completion, stability, and deployment of tools
- Facilitate standardization of use
- Clarify : "Equitable access to the national airspace system (NAS)"
- FAA orders say "first come, first serve"
- How will "first come, first serve" fit in equitable
access?
- How do airborne and pre-departure flights fit in this concept?
- How are airline priorities accommodated?
Topic 3: Practical Application in Real-Time–Traffic Flow Management
Team
- Traffic Flow Management (TFM) functions in reroute planning
- Identify the areas that will be constrained
- Define structure for use when needed to efficiently define actions
(to reduce complexity)
- Implement initiatives in response to changes in problem scope
or user actions
- Notify all NAS users when conditions change for flights that have
already filed
- Collaborate strategically, through strategic planning team (SPT)
- Airspace user functions
- Provide accurate and timely flight information
- Abide by the initiatives for circumnavigating constrained areas
Priorities–Traffic Flow Management Team
- Updating Flight Schedule Monitor (FSM) (cancellations, estimated
time of arrivals [ETAs], substitution)
- Accurate and timely time en route
- Early intent, as soon as possible, with full route
- Staffing
- En route metering tool
- Tactical information about current TFM plan from each facility
- Recorded voice messages, updated regularly
- Real-time distribution via phone, web and datalink, so all users
could access the information (like the Automated Terminal Information
System [ATIS])
- Departure Sequencing Program (DSP) with flight strip bar coding
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Workshop Brochure [161k]
