---
title: "AWO.B.CATII.120 CS AWO.B.CATII.120 Radio altimeter (or other device capable of providing for equivalent performance and integrity level) — CS-AWO · Avioverse"
description: "The radio altimeter (or other device capable of providing for equivalent performance and integrity level) shall be such that the probability of the…"
url: "https://avioverse.aero/regulations/easa/cs-awo/subpart-b/awo-b-catii-120"
---

# AWO.B.CATII.120 CS AWO.B.CATII.120 Radio altimeter (or other device capable of providing for equivalent performance and integrity level)

All Weather Operations (CS-AWO) · CS-AWO · EAR revision 14 Aug 2026

IR Implementing rule

## AWO.B.CATII.120 CS AWO.B.CATII.120 Radio altimeter (or other device capable of providing for equivalent performance and integrity level)

The radio altimeter (or other device capable of providing for equivalent performance and integrity level) shall be such that the probability of the provision of false height information leading to a hazardous situation is extremely remote. If compliance is based on monitoring, the detection of a failure shall lead to the removal or obscuration of the displayed information, at least in the height band from 30 m (100 ft) downwards.

\[Issue: CS-AWO/2]

IR · AWO.B.CATII.120 — CS-AWO · ED Decision 2022/007/R · CS-AWO Easy Access Rules · EAR revision 14 Aug 2026

[All rules in SUBPART B -APPROACH AND LANDING](https://avioverse.aero/regulations/easa/cs-awo/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 14 Aug 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.