Police Scotland can confirm that enquiries are ongoing to trace a crew member who was reported missing from the MV Hjaltland on Wednesday 27 June, 2018.
The man can be named as Alistair Gibson, known as Charlie, aged 58 who is from Orkney.
The ferry left Aberdeen at 7pm and was bound for Lerwick.
Charlie was last seen at around 9:10pm on Wednesday 27 June and is described as 5’7’’ in height with short, balding dark hair and is of slim build and has slight facial stubble. When last seen, he was wearing a navy blue uniform with the NorthLink Ferries logo and glasses.
A search of the boat was carried out overnight and the Coastguard also assisted with searches.
Shetland Area Commander Chief Inspector Lindsay Tulloch said: “We are continuing our enquiries to trace Charlie and would urge anyone who may have information to contact us.
“We have spoken to passengers who were on board the ferry today and have continued with searches today.
“If Charlie is reading this, we would urge him to get in touch to let us know that he is safe and well.
“Anyone with information is asked to contact Police Scotland on 101 quoting incident number 5259 of 27 June."