Division (b) The aerodrome operator shall originate a NOTAM when it is necessary to provide the following information:F1

(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.