<?xml version="1.0" encoding="UTF-8" standalone="yes"?><AIXMBasicMessage xmlns="http://www.aixm.aero/schema/5.1/message" xmlns:aixm="http://www.aixm.aero/schema/5.1" xmlns:event="http://www.aixm.aero/schema/5.1/event" xmlns:fns="urn:us.gov.dot.faa.aim.fns" xmlns:fnse="http://www.aixm.aero/schema/5.1/extensions/FAA/FNSE" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" gml:id="NMS_ID_1776249258294844"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1776249258294844"><gml:identifier codeSpace="urn:uuid:">285a9c15-ef64-4287-94a4-66474d318e29</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1776249258294844"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1776249258294844"><gml:beginPosition>2026-04-22T12:00:00.000Z</gml:beginPosition><gml:endPosition>2026-04-22T21:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>6000</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_1776249258294844"><event:series>H</event:series><event:number>1688</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-15T10:33:00.000Z</event:issued><event:affectedFIR>EGTT</event:affectedFIR><event:selectionCode>QWULW</event:selectionCode><event:traffic>IV</event:traffic><event:purpose>BO</event:purpose><event:scope>W</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>012</event:maximumFL><event:coordinates>5012N00529W</event:coordinates><event:radius>001</event:radius><event:location>EGTT</event:location><event:effectiveStart>202604221200</event:effectiveStart><event:effectiveEnd>202604222100</event:effectiveEnd><event:text>UAS SWARM OPR WI 0.5NM RADIUS OF 501220N 0052842W (ST IVES,
CORNWALL). SWARM MADE UP OF 50 UAS. MAX HGT 600FT AGL. FOR INFO
07502333038. AR-2026-2920/01.</event:text><event:lowerLimit>SFC</event:lowerLimit><event:upperLimit>1200FT AMSL</event:upperLimit><event:translation><event:NOTAMTranslation gml:id="NT02_1776249258294844"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
H1688/26 NOTAMN
Q) EGTT/QWULW/IV/BO /W /000/012/5012N00529W001
A) EGTT B) 2604221200 C) 2604222100
E) UAS SWARM OPR WI 0.5NM RADIUS OF 501220N 0052842W (ST IVES,
CORNWALL). SWARM MADE UP OF 50 UAS. MAX HGT 600FT AGL. FOR INFO
07502333038. AR-2026-2920/01.
F) SFC G) 1200FT AMSL
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1776249258294844"><fnse:classification>INTL</fnse:classification><fnse:accountId>EGGNYNYX</fnse:accountId><fnse:airportname>LONDON ATCC</fnse:airportname><fnse:originID>EUECYIYN</fnse:originID><fnse:lastUpdated>2026-04-15T10:33:00.000Z</fnse:lastUpdated><fnse:icaoLocation>EGTT</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>