visibility (VIS)

EASA defines “visibility (VIS)” in 2 regulations, worded for each regulation's scope. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘visibility (VIS)’ means visibility for aeronautical purposes, which is the greater of:
(a)the greatest distance at which a black object of suitable dimensions, situated near the ground, can be seen and recognised when observed against a bright background; and
(b)the greatest distance at which lights in the vicinity of 1 000 candelas can be seen and identified against an unlit background;

Annex I — Definitions for terms used in Annexes II to IX · Air Operations · Regulation (EU) No 965/2012 · Easy Access Rules, 27 Mar 2026 revision · Read the article

‘visibility’ means visibility for aeronautical purposes which is the greater of:
(a)the greatest distance at which a black object of suitable dimensions, situated near the ground, can be seen and recognised when observed against a bright background;
(b)the greatest distance at which lights in the vicinity of 1 000 candelas can be seen and identified against an unlit background;

Article 2 · Standardised European Rules of the Air (SERA) · Regulation (EU) No 923/2012 · Easy Access Rules, 26 Aug 2025 revision · Read Article 2

Defined in the same article

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