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Fulvio Lecci
Link It Program Manager
Technical Area - ENAV
Link2000+ Workshop – Brussels 10, 11 October 2007
210th october 2007 - Brussels
The approach to data
link ENAV commitment
In 2001 ENAV decided to commit to Link2000+
Initial studies to define basilar requirements
Designed Airspace Network ownership
Data Link Approach
Business Case to demonstrate data link feasibility Safety Assessment process FTS, Data Link HMI Definition & Prototyping Operational Implementation
310th october 2007 - Brussels
Designed Airspace
UIR Roma (FL290 – 460)
UIR Milano (FL296 – 460)
Managed by Roma ACC••
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LI RF
LI RA
LI CG
LI CJ
LI RN
LI RZ
LI MJ
LI MF
LI MC
LI ME
MILANO UIR
ROMA UIR
410th october 2007 - Brussels
Safety Assessment stepsOperational environment and related servicesFunctional Hazard Assessment to identify risk
level of the new functionalities
CPDLC HMI Functional Requirements Functional Requirements Document for the
use of L2k+ baseline services (DLIC,ACM,ACL,AMC)
Safety Assessment process
510th october 2007 - Brussels
Data Link HMI Definition & Prototyping Prototype of a new Human Machine Interface Related working methods for the use of the datalink services Based on the one currently in operation in Rome ACC
Efficiency Analysis Analyse the impact of data link communications on ATCOs
Workload. Definition and validation of new controller’s tasks by Real Time
simulations.
Safety Objectives Validation Specific Safety Scenarios were developed and injected in the
RTS Validation of FHA Safety Objectives compliance with the
Hazards identified in the FHA and in the ED120
FTS/RTS: step by step approach
610th october 2007 - Brussels
Innovative Control Working Position solutions supporting Data Link services for testing CPDLC operations
FTS/RTS: HMI prototyping
ACL message: authorized to level … (UM19, UM20, UM21)
AB button on ALV or Modo C field label:
ALV menu to send clearances.
AB button on clearance level of right column (DL mode):
DL message will be sent.
In the label a yellow frame will close ALV field.
Pilot has receveid clearance.
Pilot will answer WILCO.
When WILCO message will be received from system, yellow frame around ALV field get off.
710th october 2007 - Brussels
2 2 Real Time Simulation (Human-in-the-loop) and 1 Fast Time Simulation (SICTA and ENAV Experimental Centre)
11stst Real Time Real Time Simulation exercise aiming to define and evaluate new controller’s tasks (qualitative and quantitative approach), to feed FTS
A Fast Time Simulation exercise to evaluate the
efficiency and the potential increase of sectors capacity, based on preliminary indications from 1st RTS
22ndnd Real Time Real Time Simulation exercise to evaluate Safety and Human Factors aspects
FTS/RTS: main activities
810th october 2007 - Brussels
Constant decrease of workload in each of future (CPDLC) scenario
Progressive and regular decrease of the voice communications amount
Decrease of time duration of voice communication
Increase of Sectors Capacity up to 12.8% (with 100% of traffic D/L equipped). The different results in term of capacity depend on the typology of Sectors (e.g. Feeder of Roma TMA) and the characteristic of traffic (e.g. overfly)
Slight reduction of improvement margins in case of non-nominal scenario
FTS/RTS: main results of FTS
910th october 2007 - Brussels
FTS/RTS: evidence of results of FTS
1010th october 2007 - Brussels
Airspace EnvironmentAirspace Environment 2 sectors (EWU & OVS)2 sectors (EWU & OVS) 2 Feeder (Marsiglia/Tunusi as other ATSU and Roma ACC as sector of 2 Feeder (Marsiglia/Tunusi as other ATSU and Roma ACC as sector of
same ATSU)same ATSU) Traffic SampleTraffic Sample
3 levels of traffic (75%, 100% & 130% of sector capacity as reported to 3 levels of traffic (75%, 100% & 130% of sector capacity as reported to CFMU)CFMU)
2 percentage of aircraft D/L equipped (50% & 75%)2 percentage of aircraft D/L equipped (50% & 75%) ATC Working MethodsATC Working Methods
Baseline (R/T modality)Baseline (R/T modality) Baseline + CPDLC modalityBaseline + CPDLC modality Baseline + CPDLC modality with task sharing between EXE & PLNBaseline + CPDLC modality with task sharing between EXE & PLN
OrganizationsOrganizations 23 exercises with 8 ATCO in rotation 23 exercises with 8 ATCO in rotation
Non-Nominal EventsNon-Nominal Events : Military Area and Bed Weather Conditions Faults Injections (e.g. Misdirection of message, corruption of Faults Injections (e.g. Misdirection of message, corruption of
message) message)
FTS/RTS: human in the loop simulations
1110th october 2007 - Brussels
FTS/RTS: Roma ACC sectors
Feeder EastFeeder East
Roma ACCRoma ACC
Feeder WestFeeder West
Marsiglia/TunisiMarsiglia/Tunisi
1210th october 2007 - Brussels
Over the Shoulders Observation Safety & Human Factors Experts
Questionnaires
Human Factors post run (based on NASA TLX and SASHA)
Human Factors Survey
Safety post run
Personal Interview
Instantaneous Self Assessment (ISA)
Debriefing post run
Debriefing post simulation sessions
Eye Tracking
Eye Tracking
The map of hot-spot shows the areas which are mostly fixed by ATCO during a run
FTS/RTS: evaluation activities
1310th october 2007 - Brussels
FHA Safety Objective Validation
Identification and evaluation of the effects of Hazards on the basis of ATCO behaviours and feedback
Evalutation of the effective risk related to more critical Hazards (e.g. Misdirection of message, Corruption of Flight Level message)
Supported by proof the Severity of Operational Consequences and the Safety Objectives derived from the FHA
Identification of some mitigation means to apply in design and implementation of new HMI
FTS/RTS: output of SO validation
1410th october 2007 - Brussels
Measurement of workload through the “Instantaneous Self Assessment”
Compared the Baseline scenario (R/T modality) with the D/L scenario (R/T + CPDLC modality)
Evident reduction of workload in the
organizations with CPDLC
0
20
40
60
80
100
120
140
160
180
Very Low Low Normal High Very High No Answer
ORG 02 R/T
ORG 17 D/L
Cumulative ISA ORG 02 - R/T mode
No Answ er Very High +High +Normal +Low +Very Low
Cum
ulat
ive
ISA
(%)
NoAnswer Very High High Normal Low Very Low
Cumulative ISA ORG 17 - D/L mode
No Answ er Very High +High +Normal +Low +Very Low
Cum
ulat
ive
ISA
(%)
No Answer Very High High Normal Low Very Low
FTS/RTS: evidence of results of ISA
1510th october 2007 - Brussels
Human Factors Trust of ATCO in the CPDLC
Significant reduction of workload and voice communications
Increase of Situational Awareness
Positive ATCO feedback on HMI usability
FTS/RTS: main results of RTS
1610th october 2007 - Brussels
Contract objectives
Implementation of DLIC, ACM, ACL, AMC Initial CPDLC services will be implement in Roma
ACC using VDL2 network
Implementation of data link network A new network supporting VDL2, AOA, ACARS
protocol will be developed and implemented
Implementation of D-ATIS and DCL D-ATIS and DCL will be implement in Fiumicino and
Malpensa airport using ACARS protocol
Operational Implementation
1710th october 2007 - Brussels
Implementation Phases
Definition, Testing, Implementation of Multimode Ground Station New VHF, VDL, ACARS Ground Station to manage ATS and AOC messages. Partnership Agreement with ARINC.
Implementation of data link network Network of initial 10 MGS to cover Roma UIR and most important airport, starting from
Fiumicino and Malpensa. MGS will be connected together and integrated in ENAV network using E-Net transport
services (ENAV program to implement ATM network connections)
Upgrade of the HMI Data link new functionality will be implement in operational HMI used in Roma ACC.
Pre-operational phase in PSA Pre-operational phase will be performed in PSA of Roma ACC (Test, Simulation and training
room) Assess operational validation of CPDLC services. Training sessions for controllers.
Operational phase CPDLC services will be implement in Upper sectors managed by Roma ACC.
Operational Implementation
1810th october 2007 - Brussels
Timing of data link implementation
Operational Implementation
08 0907 10 11
Project Definition
Development and testing of MGS
System and Network Implementation
Operational Rome UIR
Pre-Operational Phase in Rome PSA
Pre-Operational phase in Fiumicino & Malpensa
Operational phase in Fiumicino & Malpensa
Other airport and ACCs
1910th october 2007 - Brussels
Operational Implementation
ATN network
ACSPnetwork(ACARS)
E-NET transport network
E-NET transport network
MGS
MXP Main
MGS
MXP backup
MGS
Linate
MGS
Maccarese
MGS
Lampedusa
MGS
Erice
MGS
Alghero
MGS
Carbonara
MGS
FCO Main
MGS
FCO Backup
MGS
Crotone
MGS
Caraffa
ATN Air/Ground router ATN Air/Ground router
ATN Ground/Ground router ATN Ground/Ground router
Air Server(En-route
ATN services)
CWP 1
Rome ACC
FDPRDP
CWP n
NetworkManagement
PerformanceManagement
Billing
Firewall
Air Server(Tower
ACARS Services)
CWP 1
FCO Tower (the same at MXP Tower)
CWP n
Network support elements
Local area network
ATISServer
Local area network
otherCSP/ANSP