CTR – EASA Drone Definition

Definition

CTR = Control Zone

A CTR is controlled airspace established around an aerodrome where ATC provides separation services — drone operations are heavily restricted.

Regulatory context

EU 2019/947 — airspace restrictions; SERA airspace classes.

Why it matters for pilots

Airspace questions in A1/A3 and A2 exams frequently reference CTRs.

Related terms

• ATZAerodrome Traffic Zone
• ATCAir Traffic Control
• Restricted airspace

Related pages

• /a1-a3-exam