---
title: "FPD.OR.120 Required interfaces — SPECIFIC REQUIREMENTS FOR PROVIDERS OF FLIGHT PROCEDURE DESIGN SERVICES, ATM/ANS · Avioverse"
description: "When obtaining the aeronautical data and aeronautical information in accordance with point FPD.OR.100, the FPD provider shall ensure the necessary formal…"
url: "https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/subpart-a/fpd-or-120"
---

# FPD.OR.120 Required interfaces

SPECIFIC REQUIREMENTS FOR PROVIDERS OF FLIGHT PROCEDURE DESIGN SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

IR Implementing rule

## FPD.OR.120 Required interfaces

(a) When obtaining the aeronautical data and aeronautical information in accordance with point FPD.OR.100, the FPD provider shall ensure the necessary formal arrangements are established, as applicable, with:

(1) aeronautical data sources;

(2) other service providers;

(3) aerodrome operators; and

(4) aircraft operators.

(b) To ensure that the requests for flight procedure design are clearly defined and subject to review, the FPD service provider shall establish the necessary formal arrangements with the next intended user.

IR · FPD.OR.120 — Regulation (EU) 2017/373 · Commission Implementing Regulation (EU) 2020/469 · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

GM Guidance material

## GM1 FPD.OR.120 Required interfaces

FORMAL ARRANGEMENTS

(a) Formal arrangements could be in, but not limited to, the form of a service-level agreement (SLA), a contract or a memorandum of understanding (MoU) that should specify the scope of aeronautical data and aeronautical information to be received/provided.

(b) The FPD provider should demonstrate that formal arrangements with the aeronautical data sources are implemented. In this context, procedures should be established to communicate and address instances of erroneous, inconsistent or missing data.

(c) The FPD provider’s procedures should confirm that effective controls are in place to ensure that an unsafe product is not released and that such concerns are communicated to other service providers, aerodrome operators and/or aircraft operators.

(d) The FPD provider should demonstrate that formal arrangements with the next intended user are in place to confirm that its requests are clearly defined and subject to review.

GM · GM1 FPD.OR.120 — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART A — ADDITIONAL ORGANISATION REQUIREMENTS FOR PROVIDERS OF FLIGHT PROCEDURE DESIGN SERVICES (FPD.OR)](https://avioverse.aero/regulations/easa/atm-ans/specific-requirements-for-providers-of-flight/subpart-a)

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.