<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31376315</termId><termName>landmark beacons</termName><termType>PT</termType><termNote><![CDATA[ Aeronautical beacons used to indicate the location of natural or man-made landmarks used by pilots as an aid to navigation. ]]></termNote><termCreatedDate>2026-03-30 20:41:31</termCreatedDate><relation><relationType>UF</relationType><termId>31376316</termId><termName>beacons, landmark</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31376317</termId><termName>landmark beacon</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31345351</termId><termName>aeronautical beacons</termName><termType>PT</termType></relation></term>  </Zthes>