---
title: "AWO.A.EFVS.111 CS AWO.A.EFVS.111 Enhanced flight visual system (EFVS) monitoring, annunciation and alerting — CS-AWO · Avioverse"
description: "Failure messages EFVS malfunctions detected by the system, and which can adversely affect the normal operation of the EFVS, should be annunciated."
url: "https://avioverse.aero/regulations/easa/cs-awo/subpart-a/awo-a-efvs-111"
---

# AWO.A.EFVS.111 CS AWO.A.EFVS.111 Enhanced flight visual system (EFVS) monitoring, annunciation and alerting

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

IR Implementing rule

## AWO.A.EFVS.111 CS AWO.A.EFVS.111 Enhanced flight visual system (EFVS) monitoring, annunciation and alerting

Failure messages

EFVS malfunctions detected by the system, and which can adversely affect the normal operation of the EFVS, should be annunciated. As a minimum, specific in-flight failure message(s) for sensor failure and frozen image should be displayed to the flight crew.

EFVS annunciations

Any modes of EFVS operation should be annunciated on the flight deck and should be visible to the flight crew. The modes of the EFVS operation should be made available to the flight data recorder, as required.

\[Issue: CS-AWO/2]

IR · AWO.A.EFVS.111 — CS-AWO · CS-AWO Easy Access Rules · EAR revision 14 Aug 2026

AMC Acceptable means of compliance

## AMC AWO.A.EFVS.111 EFVS monitoring, annunciation and alerting

AMC — CS-AWO · ED Decision 2022/007/R · CS-AWO Easy Access Rules · EAR revision 14 Aug 2026

[All rules in SUBPART A -ENABLING EQUIPMENT SECTION 1 -AUTOMATIC LANDING SYSTEMS (ALSS)](https://avioverse.aero/regulations/easa/cs-awo/subpart-a)

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.