The Lord Mayor will attend a number of events to remember those lost at sea in the Gaul trawler tragedy.
The Gaul sunk off the coast of Norway in storm conditions in February 1974.
36 trawlermen died, including 30 from Hull.
The Lord Mayor and Admiral of the Humber, Councillor Kalvin Neal, said: “The sinking of the Gaul was regarded as the worst ever single-trawler tragedy at the time it happened.
“For those who have never been to sea, it is hard to imagine the horrors those men went through.
“50 years on, our thoughts are with those men and the families they left behind.”
Events to mark the tragedy will begin on Thursday 8 February, with a memorial which includes the ringing of the Gaul Bell outside the Hull Fishing Heritage Centre.
A minute’s silence will take place there at 11am.
A short road closure will go into place during the event.
Boulevard will be shut from Hessle Road to St Barnabas Close from 10am until 12pm.
Following that event, the Lord Mayor will host a reception at the Guildhall from 1:30pm, where he will meet relatives of the Gaul crew, as well as members of the local fishing community.
Tickets for the reception are available from the Gaul 50 group, which can be contacted via email: Gaul50@hullcc.gov.uk
The Lord Mayor will also be present at a number of further events.
On Saturday 10 February, the Gaul tragedy will be commemorated at Hull City’s match against Swansea City at the MKM Stadium, including the unveiling of a new mural from artist Andy Pea.
On Sunday 11 February, a Gaul civic service will take place at Hull Minster, with a procession occurring beforehand, starting at 1:40pm.
The Lord Mayor will lay a wreath during the service, which takes place from 2pm until approximately 3:15pm, and all are welcome to attend.
The tragic event will also be commemorated during the first Hull Derby of the season, when Hull FC face Hull KR in the opening game of the new Super League campaign at the MKM Stadium on Thursday 15 February.
To learn more about Hull’s history as a seafaring city, visit Hull Maritime.