The Essex Police helicopter was heard above Chelmsford during a search for two missing people in unrelated incidents.
A distressed man was spotted in Ridgewell Avenue in Melbourne at around 11.05pm yesterday (June 30) before he was found safe and well around 35 minutes later.
And at around 11.10pm later a woman was reported missing from an address in New Writtle Street - before also being found safe and well shortly after 11.40pm.
The police helicopter helped search large open areas for the missing pair.