A Scottish Government spokesman said:
We are aware that a helicopter has ditched in the North Sea, south of Sumburgh.
And we understand that all 19 people on board are now safe and well following the dispatch of emergency services to the site.
Scottish ministers are being kept updated on the situation and we will release further information when it becomes known.
More top news
Stars of I'm A Celebrity evacuated from camp due to severe storms.
New photos of Princess Charlotte, taken by her mother, have been released by Kensington Palace.
Gales likely further south, locally severe, but winds easing this evening.