Published on Australian Maritime Safety Authority (https://www.amsa.gov.au)
“All Ships” broadcasts aim to improve situational awareness by informing all vessels in the vicinity of the intended movement of the piloted vessel and the consequent interaction which might occur in a location where the availability of sea room may be a concern.
“All Ships” broadcasts are recommended to be made as follows:
Coastal pilots are encouraged to make the “All Ships” broadcast to enhance ship safety in each location described above.