Communication12
The duty holder shall ensure that arrangements, which are appropriate for health and safety purposes, are in place for effective communication—
a
between the offshore installation and the shore, vessels, aircraft and other installations; and
b
where a helicopter is to land or take off from an offshore installation aboard which there will be no persons immediately before the landing, , or after the take off, between the helicopter and—
i
a suitable offshore installation with persons on board; or
ii
where there is no such installation, suitable premises ashore.