AIP GEN 3.3
2.5 ATC Initiated FIS
2.5.1 ATC initiated FIS will include the provision of pertinent operational information such as:
a. meteorological conditions and the existence of non-routine MET products;
b. changes to air routes;
c. changes to serviceability of navigation facilities, eg. RAIM;
d. change to serviceability of communications facilities;
e. changes in conditions of aerodromes and associated facilities;
f. change to ATS procedures;
g. changes to airspace status; and
h. information on unmanned free balloons (including “Operation Hibal” activities).
Note: Large helium-filled plastic balloons are launched periodically from various locations in Australia by “Operation Hibal” or the Centre National D’Etudes Spatiales (CNES).