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RTCA SC203

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Title: RTCA SC203


1
AERONAUTICAL COMMUNICATIONS PANEL (ACP) 12th
MEETING OF WORKING GROUP M Montreal, Canada 16
20 June 2008
Agenda Item xx
Data Communications Program Overview (Presented
by Peter Muraca)
2
Topics
  • Definition of Program
  • Concept of Operation (high level graphic)
  • Data Comm Timeline
  • System Scope
  • Program Assumptions (general)
  • Segments Functionality (services)
  • Data Comm Capabilities Roadmap
  • Coordination Harmonization Venues
  • WG-M Envisioned Activities in support of Data Comm

3
Definition of Program
  • Mission
  • Improve ATO efficiency Enhancing productivity of
    controllers
  • Increase NAS capacity BY Enabling advanced
    operations to reduce resource needs
  • Enhance air traffic safety Reducing
    communications errors related to voice
  • Data Communications provides
  • Two-way data between controllers, automation and
    flight crews
  • Safety-of-flight air traffic control clearances,
    instructions, traffic flow management, flight
    crew requests and reports
  • Automation enhancements for ATC message
    generation and exchange
  • Communications link carrying data between
    aircraft and air traffic managers
  • NextGen requires Data Communications
  • Necessary to transition Agency from voice based
    ATC comm system to data centric NextGen

4
Data Comm is a Key Enabler for NextGen
Supports all OEP Solution Sets

5
Data Comm CONOPS
Trajectory Based Operations High Performance
Airspace
ARTCCS
TRACONS
TOWERS
WX Reroutes
Clearances
Time Based Metering
Pilot Downlink
Fix
Tailored Arrivals / CDAs
ARTCCs
VDL-2
VDL-2
User Flight Operations Control
TOWER
ATCSCC
TRACONs
Taxi Instructions
Digital ATIS
Departure Clearance
Global Harmonization, Enhanced Safety, Increased
Capacity
6
Data Comm Timeline
Key Sites
Initial Investment Decision
Investment Analysis Readiness Decision
En Route
Tower
TRACON
Final Investment Decision
Final Investment Decision
Final Investment Decision
Major Milestones
2008
10
12
14
17
2027
22
19
Near Term Activities
- Complete Service Level Agreements - Develop
interface requirements - Complete Safety
Assessments - Finalize Requirements Documents -
Develop Equipage Strategy - Develop Screening
Information Requests (SIR) - Complete JRC 2A,
Initial Investment Decision
  • Release SIR- Receive and evaluate proposals-
    Mid-term human factors and standards- Finalize
    Business Case Analyses- Complete JRC 2B, Final
    Investment Decision
  • Contract awards

7
System Scope
Program Scope
FAA System Scope
User System Scope
5.0
6.0
7.0
1.0 Ground
2.0 Ground
3.0 Ground
4.0 Air-
Airborne
Airborne
Airborne
User
Data
Message
Ground
Message
Data
User
Interface
Processing
Delivery
Message
Delivery
Processing
Interface
(GUI)
(GDP)
(GMD)
Delivery
Controller
Flight Crew
(AMD)
(ADP)
(AUI)
(AGMD)
  • FAA System Scope
  • Program funds enhancements required to perform
    data communications in
  • Ground User Interface (e.g. ERAM/DSR display
    software)
  • Ground Data Processing (e.g. application software
    to create clearances)
  • Ground Data Delivery (e.g. wide area networking
    between ground facilities)
  • Ground components of A/G Message Delivery (e.g.
    radio, ground antenna)
  • User System Scope
  • Users fund enhancements required to perform data
    communications in
  • Airborne components of A/G Message Delivery (e.g.
    aircraft radio, antenna)
  • Airborne Message Delivery (e.g. aircraft
    networking)
  • Airborne Data Processing (e.g. app s/w in comm
    flight management units)
  • Airborne User Interface (e.g. cockpit displays
    s/w)

8
Program Assumptions - General
  • Data comm is required to transition Agency to
    NextGen Concept of Operations
  • Transition to NextGen required by 2025
  • Large scope requires partition into phases
  • Functions/services originated from Communications
    Operating Concept and Requirements for the Future
    Radio System, (COCR) due to international
    coordination and buy-in
  • Not all COCR services implemented
  • VDL Mode 2 is the subnetwork

9
Segment 1 Functionality (2012 2017)
  • Segment 1 Services will include
  • Data link logon (DLL) service to provide a unique
    digital identification of every aircraft
  • Air Traffic Control clearances (ACL),
    instructions, and notifications provided in a
    textual format (data messaging) between
    controllers and pilots
  • Departure Clearances (DCL) including revisions
    transmitted to the aircraft on the ground
  • Initial use of 4-D Trajectory clearances for
    continuous descent approaches
  • Digital Automatic Terminal Information Service
    (D-ATIS) up-links of airport weather, hazards,
    and restrictions to the aircraft
  • Automatic ATC hand-off (ACM) data transmitted
    to aircraft identifying the radio frequency in
    use by the next air traffic control sector

10
Segment 2 Functionality (2017 )
  • Segment 2 Services will include
  • Segment 1 services in TRACONS
  • Segment 1 services in En Route, plus
  • 4-D Trajectory Agreements in Performance Based
    Airspace, providing conflict-free flight with
    stable aircraft routing
  • Conformance Management to ensure aircraft comply
    with 4-D agreements
  • Tailored Arrivals/Continuous Descent Approaches
    and Time-based metering
  • Arrival Taxi Instructions (ACL, D-TAXI) prior to
    landing, giving the aircraft detailed guidance
    from touchdown to gate.
  • NAS Airport status, delays constraints,
    hazardous wx uplinked to the aircrew
  • Taxi-in / Taxi-out service provides taxi routes
    for aircraft to follow from the gate to the
    runway

11
Data Comm Capabilities
Today 2010
2015 2020 2025
Operational Capabilities Enabled by Data
Communications
DC In Tower
DC In En Route
DC In TRACON
Airspace Rule
Red Terminal Function Black En Route
Function Purple Cross Domain Function
  • Original Revised Departure Clearances, D-ATIS
  • TRACON Data Comm Including Routine Clearances,
    Comm Mgmt, 4-D TAP/CDA Time Based Metering
  • Widespread 4-D Agreements
  • Clearances
  • Complex Clearances Expanded 4-D
  • Conformance Management
  • Comm Mgmt
  • TFM Reroutes
  • Time Based Metering
  • Airport Status, Taxi-In, Taxi-Out
  • NAS Status / Delays / Constraints / Sequencing
    Hazardous WX
  • Initial 4-D Tailored Arrival Procedures (TAP)
    / Continuous Descent Approaches (CDA) to OEP
    Airports
  • Widespread Delegated Separation
  • Merging Spacing (MS), Crossing and Passing
    (CP), In-Trail Procedures (ITP), Paired
    Approaches ( PAIRAPP)

NextGen Automation Capabilities Integrated with
Data Communications
Today 2010
2015 2020
2025
  • Conflict Probe Integration
  • Time Based Metering Function
  • ERAM ICAO Flight Plan Update
  • En Route Descent Advisor
  • Extended Conflict Probe
  • Departure Spacing/Sequencing Function
  • Conformance Management Monitor
  • Conflict Resolution Developer
  • Delegated Separation Automation Monitor
  • Trajectory Builder
  • Closely Spaced Parallel Approach Tool
  • TRACON Time Based Metering Function
  • Extended Conflict Probe
  • Aircraft in Need Determiner
  • Enhanced Conformance Monitor
  • Enhanced Conflict Resolution Developer
  • Enhanced Trajectory Builder

12
Coordination Harmonization Venues
PARC Performance-Based Operations Aviation
Rulemaking Committee
AEEC
RTCA/EUROCAE
  • Performance-Based Criteria and Rulemaking
    Development (Communications Working Group)
  • Required Communication Performance
  • Airspace and Aircraft Rulemaking recommendations
  • Avionics Services Coordination (DLUF)
  • Avionics Characteristics Development (e.g., DLK
    SC, SAI)
  • FAA/Industry Synchronization (ATMAC RPWG or
    equivalent)
  • Services Validation
  • Timing Interrelationship of FAA and Stakeholder
    Investments
  • Standards Development
  • (SC-214 / WG-78)
  • Safety Performance
  • Interoperability

www.faa.gov/ato?ksc214
GEIA Govt Electronics and Information
Technology Association
ICAO International Civil Aviation Organization
LINK 2K SESAR
  • Industry Coordination on Infrastructure
    Acquisition
  • Inter. Coordination / Harmonization
  • Aeronautical Communications Panel (ACP)
  • Data Link Steering Group (DLSG)
  • Coordination /
  • Harmonization

13
WG-M Envisioned Activities in support of Data Comm
  • 1. Data Comm Application level list of
    anticipated standards modifications/additions
  • Application standards (i.e., CM, CPDLC, ADS-C)
    may require changes in support of those services
    specified within RTCA SC-214 Safety and
    Performance Requirements, and Interoperability
    requirements for Data Comm services.
  • PM-CPDLC message changes (as developed within
    RTCA SC-214, like D-TAXI, etc.) Target Seg 1,
    and Seg 2.
  • PM-FIS and PM-ADS-C (like the changes in DOC 9880
    for PM-CPDLC) Target Seg 2 (note, the changes
    for PM-FIS may be required for Seg 1)
  • It may also be necessary to introduce security
    requirements within the Air / Ground
    infrastructure in support of the Data Comm
    program. Such modifications / additions to the
    international standards would be accomplished
    within ICAO ACP WG-M (DOC 9880), and/or RTCA
    SC-214 SG-XX. Target Seg 2.
  • 2. Data Comm Subnetwork level list of
    anticipated standards modifications/additions
  • Due to changes to the implementation
    characteristics of VDL Mode 2 within AEEC 631, it
    will be necessary to bring such changes forward
    to ICAO ACP WG-M for incorporation and acceptance
    in the ICAO VDL Mode 2 Technical Manual and VDL
    Mode 2 SARPS. This harmonization of changes
    support programs such as Link 2k and Data Comm.
    Target Seg 1, and Seg 2
  • VDL Mode 2 Autotune requirements/characteristics
    updates - Target Seg 1, and Seg 2.
  • VDL Mode 2 Frequency Support List-based handoffs
    - Target Seg 1, and Seg 2.
  • VDL Mode 2 Frequency Management for multiple
    frequencies - Target Seg 1, and Seg 2.
  • VDL Mode 2 protocol cleanup related to above
    changes - Target Seg 1, and Seg 2.
  • Overall harmonization of AEEC 631 implementation
    characteristics with ICAO VDL Mode 2 Technical
    Manual - Target Seg 1, and Seg 2.

14
  • BACK-UP

15
Day In The Life of Data Comm Segment 1
  • Pre-Departure
  • Logon
  • ATIS
  • Departure Clearance Revisions
  • Departure Taxi Take-Off
  • Departure Taxi
  • Take-Off via Voice
  • Departure in TRACON
  • Voice
  • En Route
  • Voice
  • Data for Routine Clearances
  • TFM Aircraft Specific Re-Routes
  • Initial 4-D Tailored Arrival Procedures
    (TAP) Continuous Descent Approach (CDA)
  • Communications Management
  • Arrival In TRACON
  • Voice
  • Arrival Airport
  • Voice
  • Arrival Taxi
  • Voice

16
Day In The Life of Data Comm Segment 2
  • En Route (Cont)
  • 4-D Trajectory Based Ops Begin
  • Conformance Monitoring
  • Hazardous In-Flight Weather Information
  • Arrival In TRACON
  • Voice
  • Data for Routine Clearances
  • Communications Management
  • Initial 4-D TAP / CDA
  • Conformance Monitoring
  • Arrival Taxi Instructions(?)
  • Arrival Airport
  • Voice
  • Arrival Taxi Instructions Confirmation via
    Voice(?)
  • Arrival Taxi
  • Voice
  • Arrival Taxi Instruction Updates(?)
  • Pre-Departure
  • Logon
  • ATIS
  • Departure Clearances Revisions
  • CDM Agreements, Slot Times or Sequence, NAS
    Status Updates
  • Departure Taxi Take-Off
  • Departure Taxi Revisions(?)
  • Take-Off via Voice
  • Departure in TRACON
  • Voice
  • Data for Routine Clearances
  • Communications Management
  • Conformance Monitoring
  • En Route
  • Voice - Non-Routine Tactical
  • Communications Management
  • 4-D TAP / CDA
  • Data as Required Means

17
COCR Services vs. Data Comm Services
  • AOC Services
  • AOCL, OOOI, Free Text, WX Request, NOTAMs,
    Position Report, Flight Status, Fuel Status, Gate
    Connecting Flight Info, Engine Performance
    Report, Maintenance Troubleshooting, Flight Plan
    Request/Response, Load Sheet Request, Flight Log
    Transfer, Real Time Maintenance, Graphical WX,
    Real Time WX Report, On-Line Technical
    Troubleshooting, Technical Logbook Update,
    Electronic Library Update, Software Loading,
    Cabin Logbook Transfer
  • ATS Services
  • Voice or Data
  • ACM, ACL, ARMAND, DCL, D-ATIS, D-FLUP,
    D-OTIS, D-ORIS, D-RVR, DSC,
    D-SIGMET, D-TAXI, PPD, SAP
  • Data Only
  • AIRSEP, AMC, A-EXEC, COTRAC, DLL (DLIC), DYNAV,
    D-ALERT, D-SIG, FLIPCY, FLIPINT, PAIRAPP,
    URCO, WAKE
  • Surveillance
  • ADS-B, ADS-C, TIS-B which support ATC
    Surveillance, Airborne Situational Awareness,
    Enhanced Visual Acquisition, MS, ITP, CP

18
Data Comm required for OEP Capabilities
19
Acquisition FAA Life Cycle Management Process
20
Modular Architecture (A2)
Controller
Aircrew
Ground Message Delivery
STARS/C-ARTS
Air-Ground Message Delivery
Aircraft Message Delivery
DCS Apps
TRACON
Local Message Processing
User Interface
National Communication Center
Local Message Processing
Peer Apps
ERAM
FDP
SDP
Wx
DCS Apps
User Int.
ARTCC
MC
CP
Log On
Local Message Processing
Tower 623 Message Processing
User Interface
FIS
TDLS/TFDM
  • Allocates the data communications functionality
    in separate hardware (DCS server) co-located with
    the ERAM automation platform
  • Terminal environment will have DCS servers at
    their own facilities

User Interface
TOWER
Local Message Processing
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