index.qmd

## Welcome {.unnumbered}

This document provides a first insight on the level of {{< var doc.year_report >}} cost-effectiveness performance both for the Pan-European system and for individual ANSPs before the official release of the next ACE benchmarking report.

This document is available for download as a [PDF version](https://www.eurocontrol.int/publication/high-level-summary-report-preliminary-ace-2023-data){target="_blank"}.

### IMPORTANT NOTICE {.unnumbered}

[Data contained in this document are preliminary and subject to changes before the publication of the final ACE benchmarking report in May {{< var doc.year_report_plus2 >}}.]{style="color: red;"}