<?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_1784738559062260"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1784738559062260"><gml:identifier codeSpace="urn:uuid:">a979f760-98a6-425c-8e70-eacaa802eef0</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1784738559062260"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1784738559062260"><gml:beginPosition>2026-07-22T16:42:00.000Z</gml:beginPosition><gml:endPosition>2026-07-25T16:42:00.000Z</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_1784738559062260"><event:series>A</event:series><event:number>3986</event:number><event:year>2026</event:year><event:type>C</event:type><event:issued>2026-07-22T16:42:00.000Z</event:issued><event:affectedFIR>KZDC</event:affectedFIR><event:selectionCode>QPIXX</event:selectionCode><event:traffic>I</event:traffic><event:purpose>NBO</event:purpose><event:scope>A</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:coordinates>3856N07727W</event:coordinates><event:radius>005</event:radius><event:location>IAD</event:location><event:effectiveStart>202607221642</event:effectiveStart><event:effectiveEnd>202607251642</event:effectiveEnd><event:text>A3986/26 NOTAMC A3637/26
Q) KZDC/QPIXX/I/NBO/A/000/999/3856N07727W005
A) KIAD
B) 2607221642
E) IAP WASHINGTON DULLES INTL, WASHINGTON, DC. RNAV (GPS) Y RWY 19L, AMDT 3A... LNAV MDA 820/HAT 518 ALL CATS. VISIBILITY CAT C/D RVR 5500. CIRCLING CAT A/B 960/HAA 648, CIRCLING CAT C MDA 980/HAA 668. VDP 1.41NM TO RW19L. FOR INOPERATIVE ALS, INCREASE LNAV CAT C/D VISIBILITY TO 1 3/8. TEMPORARY CRANE 553FT MSL 2.42NM NORTH OF RWY 19L (2026-AEA-1298-OE). TEMPORARY CRANE 647FT MSL 4351FT SOUTHEAST OF IAD AIRPORT (2026-AEA-478-NRA). CANCELED</event:text><event:translation><event:NOTAMTranslation gml:id="NT02_1784738559062260"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
A3986/26 NOTAMC A3637/26
Q) KZDC/QPIXX/I/NBO/A/000/999/3856N07727W005
A) KIAD
B) 2607221642
E) IAP WASHINGTON DULLES INTL, WASHINGTON, DC. RNAV (GPS) Y RWY 19L, AMDT 3A... LNAV MDA 820/HAT 518 ALL CATS. VISIBILITY CAT C/D RVR 5500. CIRCLING CAT A/B 960/HAA 648, CIRCLING CAT C MDA 980/HAA 668. VDP 1.41NM TO RW19L. FOR INOPERATIVE ALS, INCREASE LNAV CAT C/D VISIBILITY TO 1 3/8. TEMPORARY CRANE 553FT MSL 2.42NM NORTH OF RWY 19L (2026-AEA-1298-OE). TEMPORARY CRANE 647FT MSL 4351FT SOUTHEAST OF IAD AIRPORT (2026-AEA-478-NRA). CANCELED
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1784738559062260"><fnse:classification>INTL</fnse:classification><fnse:accountId>KIAD</fnse:accountId><fnse:airportname>WASHINGTON DULLES INTL</fnse:airportname><fnse:originID>CCR</fnse:originID><fnse:lastUpdated>2026-07-22T16:43:00.000Z</fnse:lastUpdated><fnse:icaoLocation>KIAD</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>