---
title: "SERA.12001 Types of aircraft observations — ANNEX: Rules of the Air, SERA · Avioverse"
description: "The following aircraft observations shall be made during any phase of the flight:"
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-12/sera-12001"
---

# SERA.12001 Types of aircraft observations

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

IR Implementing rule

## SERA.12001 Types of aircraft observations

(a) The following [aircraft](https://avioverse.aero/glossary/easa/aircraft) observations shall be made during any phase of the flight:

(1) special aircraft observations; and

(2) other non-routine aircraft observations.

IR · SERA.12001 — Regulation (EU) No 923/2012 · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in SECTION 12 Services related to meteorology — Aircraft observations and reports by voice communications](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-12)

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.