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obstacle limitation surface

EASA defines “obstacle limitation surface” in one regulation, with a separate wording for each case. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

'obstacle limitation surface’ means a surface that define the limits to which objects may project into the airspace;

Article 2 · Aerodromes · Regulation (EU) No 139/2014 · Easy Access Rules, 13 Mar 2026 revision · Read Article 2

‘Obstacle limitation surface’ means a surface that defines the limits to which objects may project into the airspace.

CS ADR-DSN.A.002 · Aerodromes · Regulation (EU) No 139/2014 · Easy Access Rules, 13 Mar 2026 revision · Read CS ADR-DSN.A.002

Defined in the same article

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