printBeach safety patrol in Adelaide: A helicoptor, using backwash from its rotors to shoo sharks out to sea.
by Saydrah
"On occasions, we've seen sharks within probably a couple of metres of people. They haven't been posing any threat to the people, just swimming, and we've actually seen sharks as close as you and me" - indicating across the small table - "swim straight past a person. It probably happens more than we realise."