---
title: "AMC1 UAS.STS 02.050(2) Responsibilities of the airspace observer — Annex to Implementing Regulation (EU) 2019/947 — UAS OPERATIONS IN THE ‘OPEN’ AND ‘SPECIFIC’ CATEGORIES, UAS · Avioverse"
description: "AMC1 UAS.STS-02.050(2) Responsibilities of the airspace observer MAINTAINING AWARENESS OF THE UA The airspace observer should be provided with clear and…"
url: "https://avioverse.aero/regulations/easa/uas/annex-to-implementing-regulation-eu-2019-947-uas/appendices/amc1-uas-sts-9"
---

# AMC1 UAS.STS 02.050(2) Responsibilities of the airspace observer

Annex to Implementing Regulation (EU) 2019/947 — UAS OPERATIONS IN THE ‘OPEN’ AND ‘SPECIFIC’ CATEGORIES · Regulations (EU) 2019/947 and 2019/945 · EAR revision 29 Jun 2026

AMC Acceptable means of compliance

## AMC1 UAS.STS 02.050(2) Responsibilities of the airspace observer

AMC1 UAS.STS-02.050(2) Responsibilities of the [airspace observer](https://avioverse.aero/glossary/easa/airspace-observer)

MAINTAINING AWARENESS OF THE UA

The airspace observer should be provided with clear and concise information on the geographical position of the UA, its speed, and its height above the surface or take-off point.

The airspace observer may use the same system provided to the [remote pilot](https://avioverse.aero/glossary/easa/remote-pilot) to comply with the requirement in Part 17 point (3) of the UAS Regulation.

AMC · AMC1 UAS.STS — Regulations (EU) 2019/947 and 2019/945 · ED Decision 2022/002/R · UAS Easy Access Rules · EAR revision 29 Jun 2026

[All rules in APPENDICES](https://avioverse.aero/regulations/easa/uas/annex-to-implementing-regulation-eu-2019-947-uas/appendices)

Consolidated from the EASA Easy Access Rules (revision 29 Jun 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.