<?xml version="1.0" encoding="UTF-8" standalone="yes"?><message:AIXMBasicMessage xmlns:message="http://www.aixm.aero/schema/5.1/message" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:aixm="http://www.aixm.aero/schema/5.1" xmlns:event="http://www.aixm.aero/schema/5.1/event" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:fns="urn:us.gov.dot.faa.aim.fns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:html="http://www.w3.org/1999/xhtml" xmlns:fnse="http://www.aixm.aero/schema/5.1/extensions/FAA/FNSE" xsi:schemaLocation="http://www.aixm.aero/schema/5.1/message https://aixm-xsd.cgifederal-aim.com/AIXM_BasicMessage.xsd" gml:id="NMS_ID_1788352992950000"><message:hasMember><event:Event gml:id="Event_1_1788352992950000"><gml:identifier codeSpace="urn:uuid:">fddb9470-0c8a-4d01-ab43-b31d1825b339</gml:identifier><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1788352992950000"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1788352992950000"><gml:beginPosition>2026-09-23T20:00:00.000Z</gml:beginPosition><gml:endPosition>2026-09-23T21:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>982</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_1788352992950000"><event:series>U</event:series><event:number>7416</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-09-02T12:42:00.000Z</event:issued><event:affectedFIR>EGXX</event:affectedFIR><event:selectionCode>QCACF</event:selectionCode><event:traffic>IV</event:traffic><event:purpose>BO </event:purpose><event:scope>E </event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:coordinates>5429N00321W</event:coordinates><event:radius>160</event:radius><event:location>EGTT</event:location><event:effectiveStart>202609232000</event:effectiveStart><event:effectiveEnd>202609232100</event:effectiveEnd><event:text>LONDON CENTRE UHF EMERG FREQ 243.00MHZ ON MAINT CENTRED ON &#xD;&#xA;5429N 00321W, RADIUS OF 160NM. CREWS ARE TO USE 121.5MHZ DURING THIS &#xD;&#xA;OUTAGE TO CTC LONDON CENTRE.</event:text><event:translation><event:NOTAMTranslation gml:id="NT_1_1788352992950000"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div>U7416/26 NOTAMN&#xD; Q) EGXX/QCACF/IV/BO /E /000/660/5429N00321W160&#xD; A) EGTT EGPX B) 2609232000 C) 2609232100&#xD; E) LONDON CENTRE UHF EMERG FREQ 243.00MHZ ON MAINT CENTRED ON &#xD; 5429N 00321W, RADIUS OF 160NM. CREWS ARE TO USE 121.5MHZ DURING THIS &#xD; OUTAGE TO CTC LONDON CENTRE.</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="FNSE_1_1788352992950000"><fnse:classification>MIL</fnse:classification><fnse:accountId>EGGNYNYX</fnse:accountId><fnse:airportname>LONDON ATCC</fnse:airportname><fnse:originID>EUECYIYN</fnse:originID><fnse:qline>EGXX/QCACF/IV/BO /E /000/660/5429N00321W160</fnse:qline><fnse:lastUpdated>2026-09-02T12:43:00.000Z</fnse:lastUpdated><fnse:icaoLocation>EGTT</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></message:hasMember><message:hasMember><aixm:AirportHeliport gml:id="AH_1_1788352992950000"><gml:identifier codeSpace="urn:uuid:">cdd69ee0-f01f-4ad7-9add-bdbe90f34cbe</gml:identifier><aixm:timeSlice><aixm:AirportHeliportTimeSlice gml:id="AH_TS_1_1788352992950000"><gml:validTime><gml:TimeInstant gml:id="AH_TS_TI_1_1788352992950000"><gml:timePosition>2026-09-02T12:42:00.000Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>EGTT</aixm:designator><aixm:name>LONDON ATCC</aixm:name><aixm:locationIndicatorICAO>EGTT</aixm:locationIndicatorICAO><aixm:ARP><aixm:ElevatedPoint gml:id="EP_1_1788352992950000" srsName="urn:ogc:def:crs:EPSG::4326" srsDimension="2"><gml:pos>54.483333 -3.350000</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_1788352992950000"><event:theEvent xlink:href="#Event_1_1788352992950000"></event:theEvent></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></message:hasMember></message:AIXMBasicMessage>