Window seal comes loose during North Sea copter flight By Reporter September 21 2017, 12:47 pm September 21 2017, 12:47 pm Share Window seal comes loose during North Sea copter flight Share via Facebook Twitter Whatsapp Messenger Linkedin Email Post link https://www.pressandjournal.co.uk/fp/business/local/1328212/window-seal-comes-loose-north-sea-copter-flight/ Copy Link A helicopter operator has said that an external seal on a window came loose during a flight to a North Sea platform. Bristow Helicopters said the window remained in place and that none of the passengers were harmed. The Leonardo-manufactured AW189 aircraft was on route to the Forties Charlie platform yesterday morning when the flaw was detected. Click here to visit our sister site Energy Voice for the full story.