---
title: "SERA.1001 General — ANNEX: Rules of the Air, SERA · Avioverse"
description: "For flight over the high seas, the rules specified in Annex 2 to the Chicago Convention shall apply without exception."
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-1/sera-1001"
---

# SERA.1001 General

ANNEX: Rules of the Air · Regulation (EU) No 923/2012 · EAR revision 26 Aug 2025

IR Implementing rule

## SERA.1001 General

(a) For flight over the high seas, the rules specified in Annex 2 to the Chicago Convention shall apply without exception. For the purposes of continuity and seamless operation of [air traffic](https://avioverse.aero/glossary/easa/air-traffic) services in particular within Functional Airspace Blocks, the provisions of Annex 11 to the Chicago Convention may be applied in airspace over high seas in a manner that is consistent with how those provisions are applied over the [territory](https://avioverse.aero/glossary/easa/territory) of the member States. This shall be without prejudice to the operations of State [Aircraft](https://avioverse.aero/glossary/easa/aircraft) under Article 3 of the Chicago Convention. This shall also be without prejudice to the responsibilities of Member States to ensure that aircraft operations within the Flight Information Regions within which they are responsible for the provision of air traffic services in accordance with ICAO regional air navigation agreements are undertaken in a safe, expeditious and efficient manner.

(b) For those parts of the high seas where a Member State has accepted, pursuant to an ICAO regional air navigation agreement, the responsibility of providing air traffic services, the Member State shall designate the ATS provider for providing those services.

IR · SERA.1001 — Regulation (EU) No 923/2012 · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in SECTION 1 Flight over the high seas](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-1)

Consolidated from the EASA Easy Access Rules (revision 26 Aug 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.