Effective intensity

EASA defines “Effective intensity” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

‘Effective intensity’ means that the effective intensity of a flashing light is equal to the intensity of a fixed light of the same colour which will produce the same visual range under identical conditions of observation.

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

accelerate-stop distance available (ASDA)
accuracy
aerodrome
Aerodrome beacon
Aerodrome elevation
aerodrome equipment
Aerodrome operator
Aerodrome traffic density

Ask Metis where Effective intensity applies to you →

Metis opens with Avioverse in October 2026 · request early access.