A hat found in the search for an Air New Zealand pilot missing in Hong Kong is not his, local police say.

The search will continue today for an Air New Zealand pilot who went missing on a tramp in Hong Kong four days ago.

More than 200 people are searching for an Air New Zealand pilot who went missing on a tramp in Hong Kong three days ago.

The Air New Zealand pilot missing on a hiking trail in Hong Kong is well-versed in survival techniques, the airline's chief pilot says.

Police have found a missing seven-year-old Wellington girl but are yet to find her father. Lau Leota had fled with his daughter following an altercation at her home on Tuesday night.

A woman who believes missing mother Carmen Thomas cried out for help at a carpark days before she went missing is plagued by guilt that she didn't speak to her.

'We had a bit of an upside-down relationship,' said Teresa Scott, mother of missing Carmen Thomas. 'But I was always there.'

Carmen Thomas' mother broke down at a police press conference today after being asked if she was prepared for police to find her daughter dead.

The mother of missing Auckland woman Carmen Thomas last night spoke of her grief, as police revealed new details of items missing from her car.

Several items belonging to missing Auckland mother Carmen Thomas and her car are unaccounted for, say police.

Police will watch CCTV footage from up to 100 bars as the search for missing woman Carmen Thomas intensifies.

Police say they've received unconfirmed sightings of Carmen Thomas but need help to confirm them and explain what has happened to her.