Ecureuil helicopter almost crashes into the sea, off the Pointe du Raz, France

What happens in this video ?

July 6th, 2022 - The Airbus Helicopters AS 350B3 Ecureuil avoided a crash at the Vieille lighthouse, off the Pointe du Raz, France, during a maintenance operation of the Lighthouse. The helicopter was removing one of the frames from the lighthouse's lantern. It lifted the load, became unbalanced and the pilot lost control. A worker on ground was injured as the load caught him against the wall. The pilot recovered the aircraft a few meters from the surface of the sea. Emergency floating devices were activated, which cause the smoke visible on the video. The helicopter was operated by Mont Blanc Hélicoptères Bretagne.