<?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_1776095788587572"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1776095788587572"><gml:identifier codeSpace="urn:uuid:">c0ba89da-3362-4505-95ab-974ce0e0db5d</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1776095788587572"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1776095788587572"><gml:beginPosition>2026-04-18T08:00:00.000Z</gml:beginPosition><gml:endPosition>2026-04-19T16:00:00.000Z</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_1776095788587572"><event:series>B</event:series><event:number>671</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-13T15:55:00.000Z</event:issued><event:affectedFIR>EGTT</event:affectedFIR><event:traffic>IV</event:traffic><event:purpose>NBO</event:purpose><event:scope>E</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:coordinates>5039N00208W</event:coordinates><event:radius>008</event:radius><event:location>EGTT</event:location><event:effectiveStart>202604180800</event:effectiveStart><event:effectiveEnd>202604191600</event:effectiveEnd><event:schedule>0800-1600</event:schedule><event:text>GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING. JAMMERS LOCATED
1NM RADIUS PSN 503929N 0020827W (WEST HOLME). ACTIVITY MAY AFFECT
ACFT WI 6NM SFC TO 40000FT AMSL OR ABOVE (ALL DIRECTIONS). MAY
ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND
UAS CONTROL. GNSS(GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL
FAILURE OR GIVE INCORRECT POSITION INFO. SOME ELECTRONIC
SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER
INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR
INFO/CEASE JAMMING 07807 748680 OR 07980 151154 AR-2026-2595/01.</event:text><event:translation><event:NOTAMTranslation gml:id="NT02_1776095788587572"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
B0671/26 NOTAMN
Q) EGTT/QGWXX/IV/NBO/E /000/999/5039N00208W008
A) EGTT B) 2604180800 C) 2604191600
D) 0800-1600
E) GNSS (GPS) SIGNAL AND RADIO FREQUENCY JAMMING. JAMMERS LOCATED
1NM RADIUS PSN 503929N 0020827W (WEST HOLME). ACTIVITY MAY AFFECT
ACFT WI 6NM SFC TO 40000FT AMSL OR ABOVE (ALL DIRECTIONS). MAY
ALSO AFFECT AIRBORNE ELECTRONIC SITUATIONAL AWARENESS DEVICES AND
UAS CONTROL. GNSS(GPS) RECEIVERS MAY SUFFER INTERMITTENT / TOTAL
FAILURE OR GIVE INCORRECT POSITION INFO. SOME ELECTRONIC
SITUATIONAL AWARENESS DEVICES AND UAS SYSTEMS MAY SUFFER
INTERMITTENT / TOTAL FAILURE OR GIVE INCORRECT NOTIFICATION. FOR
INFO/CEASE JAMMING 07807 748680 OR 07980 151154 AR-2026-2595/01.
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1776095788587572"><fnse:classification>INTL</fnse:classification><fnse:accountId>EGGNYNYX</fnse:accountId><fnse:airportname>LONDON ATCC</fnse:airportname><fnse:originID>EUECYIYN</fnse:originID><fnse:lastUpdated>2026-04-13T15:55:00.000Z</fnse:lastUpdated><fnse:icaoLocation>EGTT</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>