---
title: "Commission Implementing Regulation (EU) 2026/1821 of 27 July 2026 amending Implementing Regulation (EU) 2015/1018 laying down a list classifying occurrences in civil aviation to be mandatorily reported, as regards Unmanned Aircraft Systems (UAS), U-space occurrences, part-IS occurrences, and the removal of certain aviation security occurrences from mandatory reporting requirements"
id: 84cbca7a-d465-4ef4-bef3-916e7e66c09b
authority: eu
place: "European Union"
applies_also_from: []
kind: regulation
in_force: true
publisher_url: https://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX:32026R1821
attribution: "© European Union, https://eur-lex.europa.eu"
solon_url: https://solon.orangecat.ch/law/84cbca7a-d465-4ef4-bef3-916e7e66c09b
text: not held
---

# Commission Implementing Regulation (EU) 2026/1821 of 27 July 2026 amending Implementing Regulation (EU) 2015/1018 laying down a list classifying occurrences in civil aviation to be mandatorily reported, as regards Unmanned Aircraft Systems (UAS), U-space occurrences, part-IS occurrences, and the removal of certain aviation security occurrences from mandatory reporting requirements