---
title: "NCO.GEN.145 Immediate reaction to a safety problem — Part-NCO · Avioverse"
description: "The operator shall implement: any safety measures mandated by the competent authority in accordance with ARO.GEN.135(c);"
url: "https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-a/nco-gen-145"
---

# NCO.GEN.145 Immediate reaction to a safety problem

ANNEX VII (Part-NCO) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-air-operations) · [EUR-Lex 2012/965 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32012R0965)

IR Implementing rule

## NCO.GEN.145 Immediate reaction to a safety problem

The operator shall implement:

(a) any safety measures mandated by the competent authority in accordance with ARO.GEN.135(c); and

(b) any relevant mandatory safety information issued by the Agency, including airworthiness directives.

IR · NCO.GEN.145 — Regulation (EU) No 965/2012 · Regulation (EU) No 800/2013 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART A: GENERAL REQUIREMENTS](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.