Update four: Missing man, Bribie Island

Police and emergency services will continue efforts to locate a missing 73-year-old man from Bribie Island.

Mr Michael Newbon has been missing for six days and was last seen at 9.30am on October 9.

Police, State Emergency Service volunteers (SES) and Emergency Management Queensland (EMQ) have conducted land searches in critical areas of Bribie Island.

The Queensland Police Service and EMQ are reviewing activities to date and investigating other strategies to continue efforts to locate Mr Newbon.

Patrols and activities will be maintained in the area.

Police thank members of the SES, EMQ, Rescue Helicopter Services and Queensland Parks and Wildlife Service who are assisting in the search and to community members who have been providing information to police.

Residents are asked to continue to check their yards, garages and sheds in the event Mr Newbon has sought shelter.

Mr Newbon is described being 180cm with a slim build and short grey hair, and is wearing a navy polo shirt, long navy trousers and black dress shoes.

If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting.

Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.