Light Characteristic for Isla de Mona (1917-1935)

FFl W 120s. F21, Fl21. fl 4.2. Obscured 055°-181°(126°). Light illuminates entire horizon, but to observers with eye 15 feet above sea, light is obscured by high land of Mona Island, at distances greater than 9 miles to geographic limit of visibility of light from 55° to 181°. At distances less than 9 miles light is shut out from 45°.