---
title: "NCC.IDE.A.140 Airborne collision avoidance system (ACAS) — Part-NCC · Avioverse"
description: "Unless otherwise provided for by Regulation (EU) No 1332/2011, turbine-powered aeroplanes with an MCTOM of more than 5700 kg or an MOPSC of more than 19…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-ncc/subpart-d/ncc-ide-a-140"
---

# NCC.IDE.A.140 Airborne collision avoidance system (ACAS)

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

IR Implementing rule

## NCC.IDE.A.140 Airborne collision avoidance system (ACAS)

Unless otherwise provided for by Regulation (EU) No 1332/2011, turbine-powered aeroplanes with an MCTOM of more than 5700 kg or an MOPSC of more than 19 shall be equipped with ACAS II.

IR · NCC.IDE.A.140 — Regulation (EU) No 965/2012 · Regulation (EU) No 800/2013 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART D: INSTRUMENTS, DATA AND EQUIPMENT](https://avioverse.aero/regulations/easa/air-ops/part-ncc/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.