<?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_1780576981265000"><message:hasMember><event:Event gml:id="Event_1_1780576981265000"><gml:identifier codeSpace="urn:uuid:">44d18788-c14f-43e5-be14-89abe0e51285</gml:identifier><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1780576981265000"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1780576981265000"><gml:beginPosition>2026-06-06T05:00:00.000Z</gml:beginPosition><gml:endPosition>2026-06-10T14:00:00.000Z</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_1780576981265000"><event:series>A</event:series><event:number>2420</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-06-04T12:43:00.000Z</event:issued><event:affectedFIR>LTXX</event:affectedFIR><event:selectionCode>QAFXX</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>3822N02559E</event:coordinates><event:radius>357</event:radius><event:location>LTBB</event:location><event:effectiveStart>202606060500</event:effectiveStart><event:effectiveEnd>202606101400</event:effectiveEnd><event:text>NAVIGATIONAL WARNING TO ALL CONCERNED:&#xA;AS REGARDS THE GREEK WARNING NOTAM A1851/26 WE WOULD LIKE TO STATE &#xA;THAT EXERCISE AREA INDICATED IN TURKISH NOTAM A2306/26 STRICTLY LIES &#xA;WITHIN ISTANBUL FIR AND TURKISH NOTAM REMAINS UNCHANGED. ON THE &#xA;OTHER HAND, WE WOULD LIKE TO REFER ONCE AGAIN TO THE TURKISH AIP ENR &#xA;2.1-1 WHICH STATED THAT THE PORTION OF ISTANBUL FIR LIMIT BETWEEN &#xA;THE POINTS 360456N0295958E AND THE POINT COINCIDING WITH THE &#xA;BEGINNING POINT OF THE TURKIYE-GREEK LAND BORDER DOES NOT REFLECT OR &#xA;IMPLY IN ANY WAY ANY EXPRESSION OF OPINION WHATSOEVER REGARDING THE &#xA;DELIMITATION OF ANY KIND OF BOUNDARY AMONG THE PARTIES CONCERNED OR &#xA;A BILATERALLY AGREED PRACTICE.</event:text><event:translation><event:NOTAMTranslation gml:id="NT_1_1780576981265000"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div>A2420/26 NOTAMN Q) LTXX/QAFXX/IV/NBO/E /000/999/3822N02559E357 A) LTBB B) 2606060500 C) 2606101400 E) NAVIGATIONAL WARNING TO ALL CONCERNED: AS REGARDS THE GREEK WARNING NOTAM A1851/26 WE WOULD LIKE TO STATE  THAT EXERCISE AREA INDICATED IN TURKISH NOTAM A2306/26 STRICTLY LIES  WITHIN ISTANBUL FIR AND TURKISH NOTAM REMAINS UNCHANGED. ON THE  OTHER HAND, WE WOULD LIKE TO REFER ONCE AGAIN TO THE TURKISH AIP ENR  2.1-1 WHICH STATED THAT THE PORTION OF ISTANBUL FIR LIMIT BETWEEN  THE POINTS 360456N0295958E AND THE POINT COINCIDING WITH THE  BEGINNING POINT OF THE TURKIYE-GREEK LAND BORDER DOES NOT REFLECT OR  IMPLY IN ANY WAY ANY EXPRESSION OF OPINION WHATSOEVER REGARDING THE  DELIMITATION OF ANY KIND OF BOUNDARY AMONG THE PARTIES CONCERNED OR  A BILATERALLY AGREED PRACTICE.</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="FNSE_1_1780576981265000"><fnse:classification>INTL</fnse:classification><fnse:accountId>LTAAYNYX</fnse:accountId><fnse:airportname>ISTANBUL/SEHIR-CITY,FIR,ACC,FIC,ATFMU</fnse:airportname><fnse:originID>EUECYIYN</fnse:originID><fnse:qline>LTXX/QAFXX/IV/NBO/E /000/999/3822N02559E357</fnse:qline><fnse:lastUpdated>2026-06-04T12:43:00.000Z</fnse:lastUpdated><fnse:icaoLocation>LTBB</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></message:hasMember><message:hasMember><aixm:AirportHeliport gml:id="AH_1_1780576981265000"><gml:identifier codeSpace="urn:uuid:">d29b5322-7dab-4a51-a7c3-f8efdca87ba3</gml:identifier><aixm:timeSlice><aixm:AirportHeliportTimeSlice gml:id="AH_TS_1_1780576981265000"><gml:validTime><gml:TimeInstant gml:id="AH_TS_TI_1_1780576981265000"><gml:timePosition>2026-06-04T12:43:00.000Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>LTBB</aixm:designator><aixm:name>ISTANBUL/SEHIR-CITY,FIR,ACC,FIC,ATFMU</aixm:name><aixm:locationIndicatorICAO>LTBB</aixm:locationIndicatorICAO><aixm:ARP><aixm:ElevatedPoint gml:id="EP_1_1780576981265000" srsName="urn:ogc:def:crs:EPSG::4326" srsDimension="2"><gml:pos>38.366667 25.983333</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_1780576981265000"><event:theEvent xlink:href="#Event_1_1780576981265000"></event:theEvent></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></message:hasMember></message:AIXMBasicMessage>