In this recording from 2003 Melbourne Centre responds to a Cessna 172 (VH-KWV) in distress over Westernport Bay near Phillip Island in Victoria. The pilot has reported a problem relating to engine icing but has trouble communicating further details via the VHF radio. ATC direct another aircraft (Piper VH-DTF) towards the distressed one to maintain a visual watch and to relay communications. Eventually all ends well.