The helicopter was flying to the east of Battersea Heliport when it struck the jib of a crane, attached to a building development at St George Wharf, at a height of approximately 700 ft in conditions of reduced meteorological visibility. The pilot, who was the sole occupant of the helicopter, and a pedestrian were fatally injured when the damaged helicopter impacted a building and adjacent roadway. This Special Bulletin presents facts determined up to the time of issue and offers no analysis.