<?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_6162140355995251"><gml:boundedBy xsi:nil="true"/><hasMember><aixm:ObstacleArea gml:id="OA01_6162140355995251"><gml:identifier codeSpace="urn:uuid:">a8b52999-e829-458e-b280-e62576b8a5de</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:ObstacleAreaTimeSlice gml:id="OA01_TS01_6162140355995251"><gml:validTime><gml:TimePeriod gml:id="OA01_TS01_TP01_6162140355995251"><gml:beginPosition>2026-04-20T14:04:00.000Z</gml:beginPosition><gml:endPosition>2026-04-24T20:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>TEMPDELTA</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><aixm:reference_ownerAirport xlink:href="#Airport_1_6162140355995251"/><aixm:obstacle xlink:href="#VerticalStructureType_9_6162140355995251"/><aixm:extension><event:ObstacleAreaExtension gml:id="OAE_1_6162140355995251"><event:theEvent xlink:href="#Event_1_6162140355995251"/></event:ObstacleAreaExtension></aixm:extension></aixm:ObstacleAreaTimeSlice></aixm:timeSlice></aixm:ObstacleArea></hasMember><hasMember><aixm:VerticalStructure gml:id="VerticalStructureType_9_6162140355995251"><gml:identifier codeSpace="urn:uuid:">540116dd-fcfb-4358-b4f3-7963959163af</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:VerticalStructureTimeSlice gml:id="VerticalStructureTimeSliceType_10_6162140355995251"><gml:validTime><gml:TimePeriod gml:id="TimePeriodType_11_6162140355995251"><gml:beginPosition>2026-04-20T14:04:00.000Z</gml:beginPosition><gml:endPosition>2026-04-24T20:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>TEMPDELTA</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><aixm:annotation><aixm:Note gml:id="NOTES_2_6162140355995251"><aixm:propertyName>operationalStatus</aixm:propertyName><aixm:purpose>DESCRIPTION</aixm:purpose><aixm:translatedNote><aixm:LinguisticNote gml:id="NOTES_LN_2_6162140355995251"><aixm:note>1.48 NM</aixm:note></aixm:LinguisticNote></aixm:translatedNote></aixm:Note></aixm:annotation><aixm:annotation><aixm:Note gml:id="NOTES_3_6162140355995251"><aixm:propertyName>operationalStatus</aixm:propertyName><aixm:purpose>DESCRIPTION</aixm:purpose><aixm:translatedNote><aixm:LinguisticNote gml:id="NOTES_LN_3_6162140355995251"><aixm:note>W_SIDE</aixm:note></aixm:LinguisticNote></aixm:translatedNote></aixm:Note></aixm:annotation><aixm:lightingAvailability><aixm:VerticalStructureLightingStatus gml:id="VerticalStructureLightingStatusType_12_6162140355995251"><aixm:annotation><aixm:Note gml:id="DOD_Note_1_6162140355995251"><aixm:propertyName>operationalStatus</aixm:propertyName><aixm:purpose>REMARK</aixm:purpose><aixm:translatedNote><aixm:LinguisticNote gml:id="DOD_LN_1_6162140355995251"><aixm:note>HGR 305 CRANE WILL BE DOWN FROM 1600L - 0800</aixm:note></aixm:LinguisticNote></aixm:translatedNote></aixm:Note></aixm:annotation><aixm:status>OTHER:FLAGGED_UNLIGHTED</aixm:status></aixm:VerticalStructureLightingStatus></aixm:lightingAvailability><aixm:extension><event:VerticalStructureExtension gml:id="VSE_1_6162140355995251"><event:theEvent xlink:href="#Event_1_6162140355995251"/></event:VerticalStructureExtension></aixm:extension></aixm:VerticalStructureTimeSlice></aixm:timeSlice><aixm:timeSlice><aixm:VerticalStructureTimeSlice gml:id="VerticalStructureTimeSliceType_13_6162140355995251"><gml:validTime><gml:TimeInstant gml:id="TimeInstantType_14_6162140355995251"><gml:timePosition>2026-04-20T14:04:30.146Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:type>CRANE</aixm:type><aixm:part><aixm:VerticalStructurePart gml:id="VerticalStructurePartType_15_6162140355995251"><aixm:verticalExtent uom="FT">110</aixm:verticalExtent><aixm:horizontalProjection_location><aixm:ElevatedPoint gml:id="ElevatedPointType_16_6162140355995251" srsDimension="2" srsName="urn:ogc:def:crs:EPSG::4326"><gml:pos>38.281111 -76.440278</gml:pos></aixm:ElevatedPoint></aixm:horizontalProjection_location></aixm:VerticalStructurePart></aixm:part></aixm:VerticalStructureTimeSlice></aixm:timeSlice></aixm:VerticalStructure></hasMember><hasMember><aixm:AirportHeliport gml:id="Airport_1_6162140355995251"><gml:identifier codeSpace="urn:uuid:">097beb44-7db6-46e0-be9e-078bd3795b48</gml:identifier><gml:boundedBy xsi:nil="true"/><aixm:timeSlice><aixm:AirportHeliportTimeSlice gml:id="Airport_TS_1_6162140355995251"><gml:validTime><gml:TimeInstant gml:id="Airport_TS_TI_1_6162140355995251"><gml:timePosition>2026-04-20T14:04:30.146Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>NHK</aixm:designator><aixm:name>PATUXENT RIVER NAS (TRAPNELL FLD)</aixm:name><aixm:locationIndicatorICAO>KNHK</aixm:locationIndicatorICAO><aixm:ARP><aixm:ElevatedPoint gml:id="EP01_6162140355995251" srsDimension="2" srsName="urn:ogc:def:crs:EPSG::4326"><gml:pos>38.2863336111111 -76.4099713888889</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_6162140355995251"><event:theEvent xlink:href="#Event_1_6162140355995251"/></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></hasMember><hasMember><event:Event gml:id="Event_1_6162140355995251"><gml:identifier codeSpace="urn:uuid:">7e170847-8ea3-43a5-9247-81f3ea9ae427</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_6162140355995251"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_6162140355995251"><gml:beginPosition>2026-04-20T14:04:00.000Z</gml:beginPosition><gml:endPosition>2026-04-24T20:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>462</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_6162140355995251"><event:series>M</event:series><event:number>424</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-20T14:04:00.000Z</event:issued><event:affectedFIR>ZDC</event:affectedFIR><event:selectionCode>QOBXX</event:selectionCode><event:traffic>IV</event:traffic><event:purpose>M</event:purpose><event:scope>AE</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:coordinates>3817N07624W</event:coordinates><event:radius>5</event:radius><event:location>NHK</event:location><event:effectiveStart>202604201404</event:effectiveStart><event:effectiveEnd>202604242000</event:effectiveEnd><event:text>OBSTACLE CRANE 381652N0762625W&#13;
 (1.48NM WEST KNHK) UNKNOWN MSL&#13;
 (110FT AGL) FLAGGED AND UNLIGHTED HGR 305 CRANE WILL BE DOWN FROM 1600L - 0800</event:text><event:translation><event:NOTAMTranslation gml:id="NT01_6162140355995251"><event:type>LOCAL_FORMAT</event:type><event:simpleText>!KNHK M0424/26 NHK OBST CRANE 381652N0762625W (1.48NM W NHK) UNKNOWN MSL&#13;
 (110FT AGL) FLAGGED AND NOT LGTD HGR 305 CRANE WILL BE DOWN FROM 1600L - 0800 2604201404-2604242000</event:simpleText></event:NOTAMTranslation></event:translation><event:translation><event:NOTAMTranslation gml:id="NT02_6162140355995251"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">M0424/26 NOTAMN &#13;
Q) ZDC/QOBXX/IV/M/AE/000/999/3817N07624W005 &#13;
A) KNHK &#13;
B) 2604201404 &#13;
C) 2604242000 &#13;
E) OBSTACLE CRANE 381652N0762625W&#13;
 (1.48NM WEST KNHK) UNKNOWN MSL&#13;
 (110FT AGL) FLAGGED AND UNLIGHTED HGR 305 CRANE WILL BE DOWN FROM 1600L - 0800</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_6162140355995251"><fnse:classification>MIL</fnse:classification><fnse:accountId>KNHK</fnse:accountId><fnse:airportname>PATUXENT RIVER NAS (TRAPNELL FLD)</fnse:airportname><fnse:lastUpdated>2026-04-20T14:04:00.000Z</fnse:lastUpdated><fnse:icaoLocation>KNHK</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>