---
title: "AIS.TR.235 Error reporting, error measurement and corrective actions — SPECIFIC REQUIREMENTS FOR THE PROVIDERS OF AERONAUTICAL INFORMATION SERVICES, ATM/ANS · Avioverse"
description: "The error reporting, error measurement and corrective mechanisms shall ensure that:"
url: "https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-the-providers-of/subpart-b/ais-tr-235"
---

# AIS.TR.235 Error reporting, error measurement and corrective actions

SPECIFIC REQUIREMENTS FOR THE PROVIDERS OF AERONAUTICAL INFORMATION SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## AIS.TR.235 Error reporting, error measurement and corrective actions

The error reporting, error measurement and corrective mechanisms shall ensure that:

(a) problems identified during origination, production, storage, handling and processing, or those reported by users after publication, are recorded;

(b) all problems reported in relation to the aeronautical data and aeronautical information are analysed by the AIS provider and the necessary corrective actions are performed;

(c) priority is given to resolution of all errors, inconsistencies and anomalies detected in critical and essential aeronautical data;

(d) affected users are warned of errors by the most effective means, taking into account the integrity level of the aeronautical data and aeronautical information;

(e) error feedback is facilitated and encouraged.

IR · AIS.TR.235 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART B — TECHNICAL REQUIREMENTS FOR PROVIDERS OF AERONAUTICAL INFORMATION SERVICES (AIS.TR)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-the-providers-of/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, 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.