<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31395754</termId><termName>jet aircraft</termName><termType>PT</termType><termNote><![CDATA[ Airplanes propelled by engines that eject jets or streams of gas or fluids, obtaining all or most of their thrust by reaction to the ejection. ]]></termNote><termCreatedDate>2026-03-30 20:46:23</termCreatedDate><relation><relationType>UF</relationType><termId>31395755</termId><termName>aircraft, jet</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395756</termId><termName>jet airplane</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395757</termId><termName>jet airplanes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395758</termId><termName>jet planes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395759</termId><termName>jet propelled airplanes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395760</termId><termName>jets</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31395761</termId><termName>turbojet aircraft</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31355795</termId><termName>aircraft by method of propulsion</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31426185</termId><termName>turbofan aircraft</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31426187</termId><termName>turboprop aircraft</termName><termType>PT</termType></relation></term>  </Zthes>