CHAPTER K — VISUAL AIDS FOR NAVIGATION (INDICATORS AND SIGNALLING DEVICES)
Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Aerodromes · Regulation (EU) No 139/2014 · CS ADR-DSN.K.490 – CS ADR-DSN.K.515
On this page
CS ADR-DSN.K.490 Wind direction indicator
An aerodrome should be equipped with a sufficient number of wind direction indicators in order to provide wind information to the pilot during approach…
GM1 ADR-DSN.K.490 Wind direction indicator
Wind direction indicators are important visual aids for all runway ends.
CS ADR-DSN.K.495 Landing direction indicator
Location: Where provided, a landing direction indicator should be located in a conspicuous place on the aerodrome.
GM1 ADR-DSN.K.495 Landing direction indicator
The landing ‘T’ may be constructed of wood or other light material and its dimensions may correspond to those shown in Figure K-1.
CS ADR-DSN.K.500 Signalling lamp
A signalling lamp should be provided at a controlled aerodrome in the aerodrome control tower.
GM1 ADR-DSN.K.500 Signalling lamp
When selecting the green light, use should be made of the restricted boundary of green as specified in GM1 ADR-DSN.U.930(a).
CS ADR-DSN.K.505 Signal panels and signal area
intentionally left blank
GM1 ADR-DSN.K.505 Signal panels and signal area
A signal panels and signal area should be provided when visual ground signals are used to communicate with aircraft in flight.
CS ADR-DSN.K.510 Location of signal panels and signal area
intentionally left blank
GM1 ADR-DSN.K.510 Location of signal panels and signal area
A signal area should be located so as to be visible for all angles of azimuth above an angle of 10° above the horizontal when viewed from a height of 300…
CS ADR-DSN.K.515 Characteristics of signal panels and signal area
intentionally left blank
GM1 ADR-DSN.K.515 Characteristics of signal panels and signal area
The signal area should be an even horizontal surface at least 9 m square.
Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.
Metis opens with Avioverse in October 2026 · request early access.