---
title: "UAM.IDE.MVCA.355 Management of aeronautical databases — Part-IAM · Avioverse"
description: "The IAM operator shall: ensure that the aeronautical databases to be used on certified aircraft system applications meet the data quality requirements…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-iam/subpart-d/uam-ide-mvca-355"
---

# UAM.IDE.MVCA.355 Management of aeronautical databases

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

IR Implementing rule

## UAM.IDE.MVCA.355 Management of aeronautical databases

(a) The IAM operator shall:

(1) ensure that the aeronautical databases to be used on certified [aircraft](https://avioverse.aero/glossary/easa/aircraft) system applications meet the data quality requirements that are adequate for the intended use of the data;

(2) ensure the timely distribution and update of current and unaltered aeronautical databases to all aircraft that require them;

(3) report to the database provider instances of erroneous, inconsistent or missing data that might be reasonably expected to constitute a hazard to flight, notwithstanding any other occurrence-reporting requirements as defined in Regulation (EU) No 376/2014. In such cases, the IAM operator shall inform all personnel concerned, and shall ensure that the affected data is not used.

IR · UAM.IDE.MVCA.355 — Regulation (EU) No 965/2012 · Regulation (EU) 2024/1111 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC1 UAM.IDE.MVCA.355 Management of aeronautical databases

AERONAUTICAL DATABASES

When a VCA operator uses an aeronautical database that supports an airborne navigation application as a primary means of navigation used to meet the airspace usage requirements, the database provider should be a Type 2 DAT provider certified in accordance with Regulation (EU) 2017/373 or equivalent.

AMC · AMC1 UAM.IDE.MVCA.355 — Regulation (EU) No 965/2012 · ED Decision 2025/010/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC2 UAM.IDE.MVCA.355 Management of aeronautical databases

TIMELY DISTRIBUTION OF AERONAUTICAL DATABASES

The operator should distribute current and unaltered aeronautical databases to all VCA that require them in accordance with the validity period of the databases or, if no validity period is defined, in accordance with a procedure established in the operations manual.

AMC · AMC2 UAM.IDE.MVCA.355 — Regulation (EU) No 965/2012 · ED Decision 2025/010/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GM Guidance material

## GM1 UAM.IDE.MVCA.355 Management of aeronautical databases

AERONAUTICAL DATABASE APPLICATIONS

(a) Applications using aeronautical databases for which Type 2 DAT providers should be certified in accordance with Regulation (EU) 2017/373 may be found in GM1 DAT.OR.100 of the AMC & GM to Part-DAT of that Regulation.

(b) The certification of a Type 2 DAT provider in accordance with Regulation (EU) 2017/373 ensures data integrity and compatibility with the certified VCA application/equipment.

GM · GM1 UAM.IDE.MVCA.355 — Regulation (EU) No 965/2012 · ED Decision 2025/010/R · 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-iam/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.