The Danish offshore supply ship Umoe Ventus inflamed and sank off Langeland. The ship was en route to Bagenkop, when a black thick smoke started getting out from the engine, which inflamed and fire extended to the whole aft part. The vessel was made by fiberglass, which also started leaching and burning. The four crew members succeeded to abandon the ship into a life raft and later were rescue by fishing boat. The seamen were transported to local hosp[ital for medical examination and treatment from toxic gas. The ship Umoe Ventus remained adrift and blazing near the rocks off Langeland, pushed by the current to the shore. After an hour the ship grounded in the shallow on 200 m from the shore, where started getting water ingress, capsized and sank. During the accident the people from the nearby city Magleby were asked to stay inside and to close doors and windows, as the smoke might be toxic. Fortunately there are no complains from any of them. However, three of the crew members from the offshore supply vessel were hospitalized treated for gas inhalation. At the scene of sinking were dispatched pollution ship and helicopter to monitor for oil leaks. The offshore supply ship Umoe Ventus remained half above the water, due to capsizing in the shallow and rescue boats continue to pour water to fully extinguish the fire. The local authorities started investigation for the root cause of the fire. According to the local police department, the fire is believed to have originated in the engine compartment, but will require further examination by the Maritime Accident Investigation Board to determine precisely. Fortunately there were no seriously injured people and no water pollution. The The Danish offshore supply ship Umoe Ventus (IMO: 9758507) has overall length of 27.00 m, moulded beam of 10.00 m and maximum draft of 1.80 m. The deadweight of the ship is 190 DWT and the gross tonnage is 235 GRT.