# Land Powers (Defence) Act 1958, Section 11: Prevention of interference with operation of electrical apparatus.


(1) Where any land is, or is to be, used by a Secretary of State for the operation for defence purposes of any electrical apparatus for affording navigational aid to aircraft, or for communicating with, guiding or locating aircraft or missiles, and it appears to that Minister that any object of a description specified in the next following subsection which is situated within two miles of any part of the apparatus is in such a position, or of such a height, or is made of such materials, as to interfere with the efficient operation of the apparatus, then, subject to the provisions of Part I of the Second Schedule to this Act, that Minister may by order require the occupier of the land on which that object is situated to take within such period (not being less than twenty-one days from the date when notice of the making of the order is served on that occupier) as may be specified in the order such action by way of removing, replacing, resiting or reducing the height of that object as may be so specified, or such other action as may be agreed between that Minister and the occupier, to prevent any such interference.
(2) The said descriptions of objects are—
(a) objects of any of the descriptions specified in subsection (2) of the last foregoing section;
(b) moveable objects made wholly or mainly of metal;
(c) parts of buildings or structures, being parts made wholly or mainly of metal, which, without appreciably affecting the subsequent use of the building or structure in question, can be either removed or replaced by parts made of other materials.
(3) Subsections (3) to (7) of the last foregoing section shall have effect for the purposes of this section as if any reference therein to that section were a reference to this section.

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/6-7/30/section/11 (the official version)
Page: https://openlegislation.uk/land-powers-defence-act-1958/section-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.