Operations

EVLOS - EASA Drone Definition

EVLOS = Extended Visual Line of Sight

Definition

EVLOS = Extended Visual Line of Sight

EVLOS extends VLOS using observers or technical means so the remote pilot team maintains situational awareness beyond the pilot's direct line of sight.

Regulatory context

EU 2019/947 - referenced in specific-category mitigations and operational concepts.

Why it matters for pilots

Appears in air-risk and ground-risk discussions on A2 and STS syllabi.

Related terms

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EVLOS - EASA Drone Term Explained | A2STS