<?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_1776331106048170"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1776331106048170"><gml:identifier codeSpace="urn:uuid:">9f047458-7b64-424e-84da-a57d0f60d115</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1776331106048170"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1776331106048170"><gml:beginPosition>2026-04-20T06:00:00.000Z</gml:beginPosition><gml:endPosition>2026-04-24T16:00:00.000Z</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_1776331106048170"><event:series>Q</event:series><event:number>4871</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-16T09:17:00.000Z</event:issued><event:affectedFIR>ULLL</event:affectedFIR><event:selectionCode>QRTCA</event:selectionCode><event:traffic>IV</event:traffic><event:purpose>BO</event:purpose><event:scope>W</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>020</event:maximumFL><event:coordinates>6136N03437E</event:coordinates><event:radius>003</event:radius><event:location>ULLL</event:location><event:effectiveStart>202604200600</event:effectiveStart><event:effectiveEnd>202604241600</event:effectiveEnd><event:schedule>20-24 0600-1600</event:schedule><event:text>AIRSPACE CLSD AS FLW:
WI SECTOR AZM 50-235 DEG RADIUS 5 KM CENTRE 613616N0343751E.</event:text><event:lowerLimit>GND</event:lowerLimit><event:upperLimit>590M AMSL</event:upperLimit><event:translation><event:NOTAMTranslation gml:id="NT02_1776331106048170"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
Q4871/26 NOTAMN
Q) ULLL/QRTCA/IV/BO/W/000/020/6136N03437E003
A) ULLL B) 2604200600 C) 2604241600
D) 20-24 0600-1600
E) AIRSPACE CLSD AS FLW:
WI SECTOR AZM 50-235 DEG RADIUS 5 KM CENTRE 613616N0343751E.
F) GND  G) 590M AMSL
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1776331106048170"><fnse:classification>INTL</fnse:classification><fnse:accountId>UUUUYNYX</fnse:accountId><fnse:airportname>SANKT-PETERBURG FIR SCTR WEST</fnse:airportname><fnse:originID>UUUUYNYX</fnse:originID><fnse:lastUpdated>2026-04-16T09:17:00.000Z</fnse:lastUpdated><fnse:icaoLocation>ULLL</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>