# The Air Navigation (Isle of Man) Order 2015, Article 136: Lighting of en-route obstacles

Extent: E+W+S+N.I.

(1) The person in charge of an en-route obstacle must ensure that it is fitted with medium intensity steady red lights positioned as close as possible to the top of the obstacle and at intermediate levels spaced so far as practicable equally between the top lights and ground level with an interval of not more than 52 metres.
(2) The person in charge of an en-route obstacle must, subject to paragraph (3), ensure that by night the lights required to be fitted by this article are displayed.
(3) In the event of the failure of a light that is required by this article to be displayed by night, the person in charge must repair or replace the light as soon as reasonably practicable.
(4) At each level on the obstacle where lights are required to be fitted, sufficient lights must be fitted and arranged so as to show when displayed in all directions.
(5) In any particular case the Department may direct that an en-route obstacle must be fitted with and must display such additional lights in such positions and at such times as the Department may specify.
(6) This article does not apply to an en-route obstacle for which the Department has granted a permission to the person in charge permitting the person not to fit and display lights in accordance with this article
(7) Permission under paragraph (6) may be granted for a particular obstacle or group of obstacles or generally.
(8) In this article, an “en-route obstacle” means a building, structure or erection, the height of which is 150 metres or more above ground level, but it does not include a building, structure or erection that is in the vicinity of a licensed aerodrome.

---
Source: https://www.legislation.gov.uk/uksi/2015/870/article/136 (the official version)
Page: https://openlegislation.uk/air-navigation-isle-of-man-order-2015/article-136
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.