Designation
Historic importance recognised at International, National or Local level by statutory authority.
(This definition was noted at the IALA Seminar on the Practical Aspects of Lighthouse Preservation in Gothenburg 2005)
Historic importance recognised at International, National or Local level by statutory authority.
(This definition was noted at the IALA Seminar on the Practical Aspects of Lighthouse Preservation in Gothenburg 2005)
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM