<?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_1775903256659368"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1775903256659368"><gml:identifier codeSpace="urn:uuid:">d35f2026-ee90-4944-a9ea-ad78961eb53d</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1775903256659368"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1775903256659368"><gml:beginPosition>2026-04-11T10:26:00.000Z</gml:beginPosition><gml:endPosition>2026-04-12T03:00:00.000Z</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_1775903256659368"><event:series>H</event:series><event:number>1836</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-11T10:27:00.000Z</event:issued><event:affectedFIR>CZUL</event:affectedFIR><event:selectionCode>QAFCH</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>4733N07435W</event:coordinates><event:radius>111</event:radius><event:location>CZUL</event:location><event:effectiveStart>202604111026</event:effectiveStart><event:effectiveEnd>202604120300</event:effectiveEnd><event:text>DUE TO REDUCED SYSTEM CAPACITY:
LIMITATIONS IN EFFECT WITHIN MONTREAL (CZUL) FIR CLASS A
AIRSPACE WITHIN AREA BOUNDED BY 4619N 07541W - 4724N 07711W -
4756N 07631W - 4836N 07228W - 4733N 07159W - 4647N 07249W -
4631N 07350W - 4619N 07541W : 
IFR TRAINING, NON RVSM ACFT, NON ADS-B ACFT, FLT CHECK AND
DEVELOPMENT FLT ARE LIMITED TO FL290 AND ABV.</event:text><event:translation><event:NOTAMTranslation gml:id="NT02_1775903256659368"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
H1836/26 NOTAMN
Q) CZUL/QAFCH/IV/NBO/E/000/999/4733N07435W111
A) CZUL B) 2604111026 C) 2604120300
E) DUE TO REDUCED SYSTEM CAPACITY:
LIMITATIONS IN EFFECT WITHIN MONTREAL (CZUL) FIR CLASS A
AIRSPACE WITHIN AREA BOUNDED BY 4619N 07541W - 4724N 07711W -
4756N 07631W - 4836N 07228W - 4733N 07159W - 4647N 07249W -
4631N 07350W - 4619N 07541W : 
IFR TRAINING, NON RVSM ACFT, NON ADS-B ACFT, FLT CHECK AND
DEVELOPMENT FLT ARE LIMITED TO FL290 AND ABV.
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1775903256659368"><fnse:classification>INTL</fnse:classification><fnse:accountId>CYHQYNYX</fnse:accountId><fnse:airportname>MONTREAL CENTRE (ACC)</fnse:airportname><fnse:originID>CYHQYNYX</fnse:originID><fnse:lastUpdated>2026-04-11T10:27:00.000Z</fnse:lastUpdated><fnse:icaoLocation>CZUL</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>