<?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_5938018829540275"><gml:boundedBy xsi:nil="true"/><hasMember><aixm:InstrumentApproachProcedure gml:id="IAP_1_5938018829540275"><gml:identifier codeSpace="urn:uuid:">4714f670-7ddd-4f98-a0d2-847f3c94547f</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:InstrumentApproachProcedureTimeSlice gml:id="IAP_TS_1_5938018829540275"><gml:validTime><gml:TimeInstant gml:id="IAP_TS_TI_1_5938018829540275"><gml:timePosition>2026-06-24T17:26:14.917Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:name>ILS OR LOC RWY 16L</aixm:name><aixm:approachType>ILS</aixm:approachType><aixm:extension><fns:ProcedureExtension gml:id="IAP_TS_EX1_5938018829540275"><fns:printableVersionNumber>0A</fns:printableVersionNumber><fns:legacyControlNumber>29797</fns:legacyControlNumber></fns:ProcedureExtension></aixm:extension></aixm:InstrumentApproachProcedureTimeSlice></aixm:timeSlice></aixm:InstrumentApproachProcedure></hasMember><hasMember><aixm:RunwayDirection gml:id="RWYDIR011_5938018829540275"><gml:identifier codeSpace="urn:uuid:">fc2753a0-7fd6-40e8-a321-7667209378fd</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:RunwayDirectionTimeSlice gml:id="RWYDIR01_TS011_5938018829540275"><gml:validTime><gml:TimeInstant gml:id="RWYDIR01_TS01_TI01_5938018829540275"><gml:timePosition>2026-06-24T17:26:14.917Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>16L</aixm:designator><aixm:usedRunway xlink:href="#Runway_11_5938018829540275"/><aixm:extension><event:RunwayDirectionExtension gml:id="RDE_EVENT_11_5938018829540275"><event:theEvent xlink:href="#Event_1_5938018829540275"/></event:RunwayDirectionExtension></aixm:extension></aixm:RunwayDirectionTimeSlice></aixm:timeSlice></aixm:RunwayDirection></hasMember><hasMember><aixm:Runway gml:id="Runway_11_5938018829540275"><gml:identifier codeSpace="urn:uuid:">cf2dc501-eed3-4537-8045-3e4c852e77ca</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:RunwayTimeSlice gml:id="Runway_TS_11_5938018829540275"><gml:validTime><gml:TimeInstant gml:id="Runway_TS_TI_11_5938018829540275"><gml:timePosition>2026-06-24T17:26:14.917Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>16L/34R</aixm:designator><aixm:extension><event:RunwayExtension gml:id="RE_EVENT_11_5938018829540275"><event:theEvent xlink:href="#Event_1_5938018829540275"/></event:RunwayExtension></aixm:extension></aixm:RunwayTimeSlice></aixm:timeSlice></aixm:Runway></hasMember><hasMember><aixm:FinalLeg gml:id="FL_1_5938018829540275"><gml:identifier codeSpace="urn:uuid:">1bcfacb6-7570-413c-ad82-1086a958c62c</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:FinalLegTimeSlice gml:id="FL_TS_1_5938018829540275"><gml:validTime><gml:TimePeriod gml:id="FL_TS_TP_1_5938018829540275"><gml:beginPosition>2026-06-24T17:25:00.000Z</gml:beginPosition><gml:endPosition indeterminatePosition="unknown">2027-04-13T23:55:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>TEMPDELTA</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><aixm:condition><aixm:ApproachCondition gml:id="FL_AC_1_5938018829540275"><aixm:minimumSet><aixm:Minima gml:id="FL_AC_M_1_5938018829540275"><aixm:annotation><aixm:Note gml:id="FL_AC_M_Note_1_5938018829540275"><aixm:propertyName>condition</aixm:propertyName><aixm:purpose>DESCRIPTION</aixm:purpose><aixm:translatedNote><aixm:LinguisticNote gml:id="FL_AC_M_Note_L_1_5938018829540275"><aixm:note>S-LOC 16L MDA 780/HAT 588 ALL CATS. VISIBILITY CAT C/D 1 1/4. CIRCLING CAT A mda 820/haa 628, cat B MDA 840/HAA 648. when local altimeter not received use dulles altimeter setting and increase da 49 feet, and all mda 60 feet, increase s-loc 16l cat c/d visibility by 1/8 mile, increase circling cat c/d visibility 1/4 mile. TEMPORARY CRANE 520FT MSL 2.99NM NORTH OF RWY 16L (2025-AEA-3764-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3621-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3663 THRU 3666-OE). TEMPORARY CRANE 305FT MSL 4512ft NORTH OF HEF AIRPORT (2026-AEA-1811-OE). TEMPORARY CRANE 305FT MSL 4273ft NORTH OF HEF AIRPORT (2026-AEA-1806-OE). TEMPORARY CRANE 305FT MSL 4383ft NORTH OF HEF AIRPORT (2026-AEA-1823-OE). TEMPORARY CRANE 305FT MSL 4156ft NORTH OF HEF AIRPORT (2026-AEA-1827-OE)</aixm:note></aixm:LinguisticNote></aixm:translatedNote></aixm:Note></aixm:annotation></aixm:Minima></aixm:minimumSet></aixm:ApproachCondition></aixm:condition></aixm:FinalLegTimeSlice></aixm:timeSlice></aixm:FinalLeg></hasMember><hasMember><aixm:InstrumentApproachProcedure gml:id="IAP2_5938018829540275"><gml:identifier codeSpace="urn:uuid:">5ee615d7-2b16-425a-940b-4ddb1162b733</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:InstrumentApproachProcedureTimeSlice gml:id="IAP2_TS_5938018829540275"><gml:validTime><gml:TimePeriod gml:id="IAP2_TS_TP_5938018829540275"><gml:beginPosition>2026-06-24T17:25:00.000Z</gml:beginPosition><gml:endPosition indeterminatePosition="unknown">2027-04-13T23:55:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>TEMPDELTA</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><aixm:availability><aixm:ProcedureAvailability gml:id="IAP2_TS_TP_AVAIL_5938018829540275"><aixm:status>USABLE</aixm:status></aixm:ProcedureAvailability></aixm:availability></aixm:InstrumentApproachProcedureTimeSlice></aixm:timeSlice></aixm:InstrumentApproachProcedure></hasMember><hasMember><aixm:AirportHeliport gml:id="Airport_1_5938018829540275"><gml:identifier codeSpace="urn:uuid:">b8a997c5-2aed-467a-b4fb-2e616f919b37</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:AirportHeliportTimeSlice gml:id="Airport_TS_1_5938018829540275"><gml:validTime><gml:TimeInstant gml:id="Airport_TS_TI_1_5938018829540275"><gml:timePosition>2026-06-24T17:26:14.917Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>HEF</aixm:designator><aixm:name>MANASSAS RGNL/HARRY P DAVIS FLD</aixm:name><aixm:locationIndicatorICAO>KHEF</aixm:locationIndicatorICAO><aixm:servedCity><aixm:City gml:id="Airport_City_1_5938018829540275"><aixm:name>WASHINGTON</aixm:name></aixm:City></aixm:servedCity><aixm:ARP><aixm:ElevatedPoint gml:id="EP01_5938018829540275" srsDimension="2" srsName="urn:ogc:def:crs:EPSG::4326"><gml:pos>38.7210230833333 -77.5151011944444</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><fns:AirportHeliportExtension gml:id="AHE_EVENT_2_5938018829540275"><fns:stateTerritory>DC</fns:stateTerritory></fns:AirportHeliportExtension></aixm:extension><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_5938018829540275"><event:theEvent xlink:href="#Event_1_5938018829540275"/></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></hasMember><hasMember><event:Event gml:id="Event_1_5938018829540275"><gml:identifier codeSpace="urn:uuid:">13f5dc4a-213b-413a-ab63-91e247398481</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_5938018829540275"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_5938018829540275"><gml:beginPosition>2026-06-24T17:25:00.000Z</gml:beginPosition><gml:endPosition indeterminatePosition="unknown">2027-04-13T23:55:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>802</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_5938018829540275"><event:number>473</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-06-24T17:25:00.000Z</event:issued><event:location>HEF</event:location><event:effectiveStart>202606241725</event:effectiveStart><event:effectiveEnd>202704132355EST</event:effectiveEnd><event:text>IAP MANASSAS RGNL/HARRY P DAVIS FLD, WASHINGTON, DC.
ILS OR LOC RWY 16L, ORIG-A...
S-LOC 16L MDA 780/HAT 588 ALL CATS. VISIBILITY CAT C/D 1 1/4. CIRCLING CAT A MDA 820/HAA 628, CAT B MDA 840/HAA 648. WHEN LOCAL ALTIMETER NOT RECEIVED USE DULLES ALTIMETER SETTING AND INCREASE DA 49 FEET, AND ALL MDA 60 FEET, INCREASE S-LOC 16L CAT C/D VISIBILITY BY 1/8 MILE, INCREASE CIRCLING CAT C/D VISIBILITY 1/4 MILE. TEMPORARY CRANE 520FT MSL 2.99NM NORTH OF RWY 16L (2025-AEA-3764-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3621-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3663 THRU 3666-OE). TEMPORARY CRANE 305FT MSL 4512FT NORTH OF HEF AIRPORT (2026-AEA-1811-OE). TEMPORARY CRANE 305FT MSL 4273FT NORTH OF HEF AIRPORT (2026-AEA-1806-OE). TEMPORARY CRANE 305FT MSL 4383FT NORTH OF HEF AIRPORT (2026-AEA-1823-OE). TEMPORARY CRANE 305FT MSL 4156FT NORTH OF HEF AIRPORT (2026-AEA-1827-OE).
2606241725-2704132355EST</event:text><event:translation><event:NOTAMTranslation gml:id="NT01_5938018829540275"><event:type>LOCAL_FORMAT</event:type><event:simpleText>!FDC 6/0473 HEF IAP MANASSAS RGNL/HARRY P DAVIS FLD, WASHINGTON, DC.
ILS OR LOC RWY 16L, ORIG-A...
S-LOC 16L MDA 780/HAT 588 ALL CATS. VISIBILITY CAT C/D 1 1/4. CIRCLING CAT A MDA 820/HAA 628, CAT B MDA 840/HAA 648. WHEN LOCAL ALTIMETER NOT RECEIVED USE DULLES ALTIMETER SETTING AND INCREASE DA 49 FEET, AND ALL MDA 60 FEET, INCREASE S-LOC 16L CAT C/D VISIBILITY BY 1/8 MILE, INCREASE CIRCLING CAT C/D VISIBILITY 1/4 MILE. TEMPORARY CRANE 520FT MSL 2.99NM NORTH OF RWY 16L (2025-AEA-3764-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3621-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3663 THRU 3666-OE). TEMPORARY CRANE 305FT MSL 4512FT NORTH OF HEF AIRPORT (2026-AEA-1811-OE). TEMPORARY CRANE 305FT MSL 4273FT NORTH OF HEF AIRPORT (2026-AEA-1806-OE). TEMPORARY CRANE 305FT MSL 4383FT NORTH OF HEF AIRPORT (2026-AEA-1823-OE). TEMPORARY CRANE 305FT MSL 4156FT NORTH OF HEF AIRPORT (2026-AEA-1827-OE).
2606241725-2704132355EST</event:simpleText></event:NOTAMTranslation></event:translation><event:translation><event:NOTAMTranslation gml:id="NT02_5938018829540275"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">Q) KZDC/QPIXX/I/NBO/A/000/999/3843N07730W005
A) KHEF
B) 2606241725
C) 2702031724EST
E) HEF MANASSAS RGNL/HARRY P DAVIS FLD, WASHINGTON, DC.
ILS OR LOC RWY 16L, ORIG-A...
S-LOC 16L MDA 780/HAT 588 ALL CATS. VISIBILITY CAT C/D 1 1/4. CIRCLING CAT A MDA 820/HAA 628, CAT B MDA 840/HAA 648. WHEN LOCAL ALTIMETER NOT RECEIVED USE DULLES ALTIMETER SETTING AND INCREASE DA 49 FEET, AND ALL MDA 60 FEET, INCREASE S-LOC 16L CAT C/D VISIBILITY BY 1/8 MILE, INCREASE CIRCLING CAT C/D VISIBILITY 1/4 MILE. TEMPORARY CRANE 520FT MSL 2.99NM NORTH OF RWY 16L (2025-AEA-3764-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3621-OE). TEMPORARY CRANE 498FT MSL 2.66 NORTHWEST OF RWY 16L (2026-AEA-3663 THRU 3666-OE). TEMPORARY CRANE 305FT MSL 4512FT NORTH OF HEF AIRPORT (2026-AEA-1811-OE). TEMPORARY CRANE 305FT MSL 4273FT NORTH OF HEF AIRPORT (2026-AEA-1806-OE). TEMPORARY CRANE 305FT MSL 4383FT NORTH OF HEF AIRPORT (2026-AEA-1823-OE). TEMPORARY CRANE 305FT MSL 4156FT NORTH OF HEF AIRPORT (2026-AEA-1827-OE).</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_5938018829540275"><fnse:classification>FDC</fnse:classification><fnse:accountId>FDC</fnse:accountId><fnse:airportname>MANASSAS RGNL/HARRY P DAVIS FLD</fnse:airportname><fnse:lastUpdated>2026-06-24T17:25:00.000Z</fnse:lastUpdated><fnse:icaoLocation>KHEF</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>