airspace
Refers to a defined area of the sky, often used in aviation, military, and legal contexts.
その飛行機は日本の空域に入った。
The airplane entered Japanese airspace.
軍用機が空域を侵犯した。
A military aircraft violated the airspace.
The Ministry of Land, Infrastructure, Transport and Tourism manages this airspace.
An unidentified aircraft intruded into the airspace of the air defense identification zone.
The plane passed through the airspace of several countries.