<?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" gml:id="NMS_ID_1776667084089000"><message:hasMember><event:Event gml:id="Event_1_1776667084089000"><gml:identifier codeSpace="urn:uuid:">6a7441d7-6bf1-40ce-9699-03e638929f68</gml:identifier><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1776667084089000"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1776667084089000"><gml:beginPosition>2026-04-23T12:00:00.000Z</gml:beginPosition><gml:endPosition>2026-07-21T12:00:00.000Z</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_1776667084089000"><event:series>A</event:series><event:number>1637</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-20T06:37:00Z</event:issued><event:affectedFIR>EVRR</event:affectedFIR><event:selectionCode>QGWAU</event:selectionCode><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>5624N02323E</event:coordinates><event:radius>165</event:radius><event:location>EVRR</event:location><event:effectiveStart>202604231200</event:effectiveStart><event:effectiveEnd>202607211200</event:effectiveEnd><event:text>PRECAUTION GNSS SIGNAL INTERFERENCE CAN BE EXPECTED AND MAY &#xD;&#xA;RESULT IN UNRELIABLE OR UNAVAILABLE GPS SIGNALS WITHIN RIGA FIR. &#xD;&#xA;CONVENTIONAL NAV AIDS AVAILABLE AND MAY BE USED AS RECOMMENDED IN &#xD;&#xA;EASA SIB 2022-02R3 &#xD;&#xA;&#xD;&#xA;POSSIBLE OPERATIONAL IMPACTS INCLUDE, BUT ARE NOT LIMITED TO:   &#xD;&#xA;- PBN PROCEDURES: DISRUPTION OR UNAVAILABILITY USING GNSS FOR RNAV5, &#xD;&#xA;RNAV1, RNP1 AND RNP APPROACHES,   &#xD;&#xA;- CPDLC: LOSS OF CONNECTIVITY OR TIME STAMP ERROR.  &#xD;&#xA;&#xD;&#xA;FLIGHT CREWS ARE ADVISED TO EXERCISE EXTREME CAUTION AND TO REPORT &#xD;&#xA;GNSS INTERFERENCE TO THE APPROPRIATE ATS UNIT. &#xD;&#xA;RADAR CONTROL SERVICE, VOICE COMMUNICATION AND CONVENTIONAL NAV AIDS &#xD;&#xA;FOR RNAV5, RNAV1 AND APPROACHES NOT AFFECTED.</event:text><event:translation><event:NOTAMTranslation gml:id="NT_1_1776667084089000"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div>A1637/26 NOTAMN&#xD; Q) EVRR/QGWAU/IV/NBO/E /000/999/5624N02323E165&#xD; A) EVRR B) 2604231200 C) 2607211200EST&#xD; E) PRECAUTION GNSS SIGNAL INTERFERENCE CAN BE EXPECTED AND MAY &#xD; RESULT IN UNRELIABLE OR UNAVAILABLE GPS SIGNALS WITHIN RIGA FIR. &#xD; CONVENTIONAL NAV AIDS AVAILABLE AND MAY BE USED AS RECOMMENDED IN &#xD; EASA SIB 2022-02R3 &#xD; &#xD; POSSIBLE OPERATIONAL IMPACTS INCLUDE, BUT ARE NOT LIMITED TO:   &#xD; - PBN PROCEDURES: DISRUPTION OR UNAVAILABILITY USING GNSS FOR RNAV5, &#xD; RNAV1, RNP1 AND RNP APPROACHES,   &#xD; - CPDLC: LOSS OF CONNECTIVITY OR TIME STAMP ERROR.  &#xD; &#xD; FLIGHT CREWS ARE ADVISED TO EXERCISE EXTREME CAUTION AND TO REPORT &#xD; GNSS INTERFERENCE TO THE APPROPRIATE ATS UNIT. &#xD; RADAR CONTROL SERVICE, VOICE COMMUNICATION AND CONVENTIONAL NAV AIDS &#xD; FOR RNAV5, RNAV1 AND APPROACHES NOT AFFECTED.</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="FNSE_1_1776667084089000"><fnse:classification>INTL</fnse:classification><fnse:accountId>EVRAYNYX</fnse:accountId><fnse:airportname>RIGA (FIC/ACC/AFS COM.CENTER)</fnse:airportname><fnse:originID>EUECYIYN</fnse:originID><fnse:qline>EVRR/QGWAU/IV/NBO/E /000/999/5624N02323E165</fnse:qline><fnse:lastUpdated>2026-04-20T06:38:04.089644416Z</fnse:lastUpdated><fnse:icaoLocation>EVRR</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></message:hasMember><message:hasMember><aixm:AirportHeliport gml:id="AH_1_1776667084089000"><gml:identifier codeSpace="urn:uuid:">160b1837-f104-47bc-b144-9ca6ed6efbd9</gml:identifier><aixm:timeSlice><aixm:AirportHeliportTimeSlice gml:id="AH_TS_1_1776667084089000"><gml:validTime><gml:TimeInstant gml:id="AH_TS_TI_1_1776667084089000"><gml:timePosition>0001-01-01T00:00:00.000Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>EVRR</aixm:designator><aixm:name>RIGA (FIC/ACC/AFS COM.CENTER)</aixm:name><aixm:locationIndicatorICAO>EVRR</aixm:locationIndicatorICAO><aixm:ARP><aixm:ElevatedPoint gml:id="EP_1_1776667084089000" srsName="urn:ogc:def:crs:EPSG::4326" srsDimension="2"><gml:pos>56.400000 23.383333</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_1776667084089000"><event:theEvent xlink:href="#Event_1_1776667084089000"></event:theEvent></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></message:hasMember></message:AIXMBasicMessage>