Fog . . . one of the worst hazards for the seafarer. The prototype 47ft Tyne class lifeboat City of London underwent her slipway trials at Selsey lifeboat station in Sussex, and Selsey lifeboathouse and slipway can be seen looming in the background. On the day this photograph was taken, by Joan Davies, Selsey's own lifeboat, the 48ft din Oakley Charles Henry, launched on service to help first an angling boat and then a German yacht, both of which had run aground in the dense fog..