Taking advantage of Datalink - Reflecting on 2024 and shaping 2025 and beyond

Sep 17, 2026

A European aviation overview on how EUROCONTROL and partners leverage datalink services, reflecting on 2024 outcomes and outlining priorities for 2025 and beyond. It highlights coverage and user experience levels, key pain points across operational use, and the ENAV datalink approach from early commitment and requirements through phased deployment completion. The document details ENAV’s management model, monitoring improvements, and operational benefits such as reduced voice communications, improved efficiency and accuracy, while addressing latency and reliability concerns to support future datalink innovation.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages40

Reading Time1 h 41 min

AccessFree to download

Datalink in short

Pain points

ENAV Datalink Approach

System

ENAV Datalink management

ENAV operational view

SUPPORTINGEUROPEANEUROCONTROLAVIATION Taking advantage ofDatalink Reflecting on 2024 and shaping 2025 andbeyond Davide Corinaldesi,ENAV,Sabine Taillardat,SITA,Viktor Jagasits,EUROCONTROL MUAC,Ludovic Legros,EUROCONTROL&KanaanAbdo,EUROCONTROLONSOIRTAUOMR FOUNDING MEMBER sesarsesarNETWORKMANAGERDEPLOYMENT MANAGERJOINT UNDERTAKING Datalink summer 2025 preparation # Datalink in short 95% Airspace covered with data link services 83% Experience andfeedback on Datalink # Pain points Anne-Marie MartinsBrandao Pereira TAP Air Portugal # Our guests to reflect on 2024 and shape 2025 Viktor Jagasits EUROCONTROL MUAC Sabine Taillardat SITA for Aircraft Davide Corinaldesi ENAV Experience andfeedback on DatalinkPain pointsENAVSummer 2025 preparationONSOIRTAUOMR FOUNDING MEMBER sesarsesarNETWORKMANAGERDEPLOYMENT MANAGERJOINT UNDERTAKING # ENAV Datalink Approach ·ENAV Link IT relevant dates ·2001-ENAV letter of commitment to Link2000+programme ·2003-Initial requirements:ownership of the provision of DLS ·2007-Start of DLS deployment(phased approach over the years) ·2018-DLS deployment completed ·ENAV DLS approach ·DLS fully managed by ENAV-part of ATS ·DL system part of the ENAV CNS system ·Innovative DL system designed for ATS -limiting negative VDL2 aspects ·ENAV vs the legal framework ·Certified as ATM/CNS provider(DLS included from the beginning) ·Compliant with Regulation(EU)2024/2803(Including Article 11) ·ENAV towards future datalink ·As part of the ACDLS Governance,full support to the European DSP establishment ·Full support to DLS innovation (especially for technologies complementing/replacingthe old VDL M2) # System Network/Service management AOC transport TWR/ATM layer RF layer Ground transportlayer ATN layer ACC/ATM layer EUROCONTROL # ENAV Datalink management Datalink is managed by TOC(Technical &Operational Centre)like all others ATM/CNSservices(24/7/365) ·.The following functions are going to beimproved ·Real time service monitoring ·Periodic service monitoring ·Real time DL system monitoring Two new monitoring systems are underdeployment and will be integrated in theENAV TOC. # ENAV operational view Reduction in Radio Telephony Communications CPDLC reduces the need for traditional voicecommunications,decreasing radio frequency congestion and minimizing the risk of miscommunication Efficiency in Clearances Controllers can issue clearances,level changes,and route modifications moreefficiently through pre-formatted messages,reducing the time spent on verbal communications Improved Accuracy Text-based communications reduce the likelihood of misunderstandings and errorsthat can occur with voice communications,ensuring that instructions are clear and accurately followed Satisfaction with ATN B1 Satisfaction with the full ATN B1 operational use is below expectations Latency Issues DLS latency is too long,making it difficult to use in high traffic situations andimpossible at low flight levels.ENAV supports technological innovation to address these issues Technical Reliability There are concerns about the technical reliability of the Data Link system,as occasional system failures can disrupt communication and impact overall efficiency

FAQs

What does “Datalink in short” emphasize in the document?

It presents overall coverage by datalink services and summarizes experience and feedback, followed by a set of identified pain points.

How does ENAV describe its datalink approach and deployment timeline?

It outlines key milestones such as initial requirements, a phased deployment over the years, completion of deployment, and a fully managed datalink system within ENAV’s ATS/ CNS environment.

What operational benefits and limitations are discussed for datalink use?

The document highlights reduced radio-telephony voice need via CPDLC, improved efficiency and accuracy through pre-formatted text messages, and concerns including ATN B1 satisfaction, datalink latency, and technical reliability.

Sep 17, 2026

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