# Commission Regulation (EU) No 139/2014 of 12 February 2014 laying down requirements and administrative procedures related to aerodromes pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council (Text with EEA relevance), Division (b): The aerodrome operator shall originate a NOTAM when it is necessary to provide the following information:


(1) establishment of, closure of, or significant changes in the operation of aerodromes or heliports or runways;
(2) establishment of, withdrawal of, or significant changes in the operation of the aerodrome services;
(3) establishment of, withdrawal of, or significant changes in the operational capability of radio navigation and air-ground communication services for which the aerodrome operator is responsible;
(4) unavailability of backup and secondary systems, having a direct operational impact;
(5) establishment of, withdrawal of, or significant changes to visual aids;
(6) interruption of, or return to operation of, major components of aerodrome lighting systems;
(7) establishment of, withdrawal of, or significant changes to procedures for air navigation services for which the aerodrome operator is responsible;
(8) occurrence or correction of major defects or impediments in the manoeuvring area;
(9) changes to, and limitations on, the availability of fuel, oil and oxygen;
(10) establishment of, withdrawal of, or return to, operation of hazard beacons marking obstacles to air navigation;
(11) planned laser emissions, laser displays and search lights in the aerodrome surroundings, if pilots’ night vision is likely to be impaired;
(12) erecting or removal of, or changes to, obstacles to air navigation in the take-off, climb, missed approach, approach areas, as well as on the runway strip;
(13) changes in aerodrome or heliport rescue and firefighting category;
(14) presence of, removal of, or significant changes in, hazardous conditions due to snow, slush, ice, radioactive material, toxic chemicals, volcanic ash deposition or water on the movement area;
(15) presence of a runway or portion of a runway which is slippery wet;
(16) presence of a runway which is not available due to runway marking works; or information about the time lag required for making the runway available, if the equipment used for such works can be removed, when necessary;
(17) presence of hazards that affect air navigation, including presence of wildlife, obstacles, displays and major events.

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Source: https://www.legislation.gov.uk/eur/2014/139/annex/IV/division/1/division/4/division/b (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-139/annex-IV/division-1/division-4/division-b
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.