---
title: "AIS.TR.335 General— Digital data sets — SPECIFIC REQUIREMENTS FOR THE PROVIDERS OF AERONAUTICAL INFORMATION SERVICES, ATM/ANS · Avioverse"
description: "A standard for geographic information shall be used as a reference framework."
url: "https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-the-providers-of/subpart-b/ais-tr-335"
---

# AIS.TR.335 General— Digital data sets

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

IR Implementing rule

## AIS.TR.335 General— Digital data sets

(a) A standard for geographic information shall be used as a reference framework.

(b) A description of each available data set shall be provided in the form of a data product specification.

(c) A checklist of the available data sets, including their effective and publication dates, shall be made available to users to ensure that current data is being used.

(d) The checklist of data sets shall be made available through the same distribution mechanism as the one used for the data sets.

IR · AIS.TR.335 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 AIS.TR.335(a) General — Digital data sets

STANDARD FOR GEOGRAPHIC INFORMATION

The ISO 19100 series of standards for geographic information may be used as a reference framework.

GM · GM1 AIS.TR.335(a) — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 AIS.TR.335(b) General — Digital data sets

DATA PRODUCT SPECIFICATION

(a) ISO Standard 19131 specifies the requirements and outline of data product specifications for geographic information. This is intended to facilitate and support the use and exchange of digital data sets between data providers and data users.

(b) The data product specification enables air navigation users to evaluate the products and determine whether they fulfil the requirements for their intended use (application).

(c) This may include an overview, specification scope, data product identification, data content and structure, reference system, data quality, data capture, data maintenance, data portrayal, data product delivery, additional information, and metadata.

GM · GM1 AIS.TR.335(b) — Regulation (EU) 2017/373 · ED Decision 2020/008/R · 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.