<?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_5934818948497110" xsi:schemaLocation="http://www.aixm.aero/schema/5.1/message https://aixm-xsd.cgifederal-aim.com/AIXM_BasicMessage.xsd"><gml:boundedBy xsi:nil="true"/><hasMember><aixm:ObstacleArea gml:id="OA01_5934818948497110"><gml:identifier codeSpace="urn:uuid:">169b75b3-96f5-435b-bc3f-13b294c522a4</gml:identifier><gml:boundedBy 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gml:id="Airport_TS_1_5934818948497110"><gml:validTime><gml:TimeInstant gml:id="Airport_TS_TI_1_5934818948497110"><gml:timePosition>2026-08-14T19:57:31.674Z</gml:timePosition></gml:TimeInstant></gml:validTime><aixm:interpretation>SNAPSHOT</aixm:interpretation><aixm:designator>BKT</aixm:designator><aixm:name>ALLAN C PERKINSON/BLACKSTONE AAF</aixm:name><aixm:locationIndicatorICAO>KBKT</aixm:locationIndicatorICAO><aixm:ARP><aixm:ElevatedPoint gml:id="EP01_5934818948497110" srsDimension="2" srsName="urn:ogc:def:crs:EPSG::4326"><gml:pos>37.0747673333333 -77.9565984444444</gml:pos></aixm:ElevatedPoint></aixm:ARP><aixm:extension><event:AirportHeliportExtension gml:id="AHE_EVENT_1_5934818948497110"><event:theEvent xlink:href="#Event_1_5934818948497110"/></event:AirportHeliportExtension></aixm:extension></aixm:AirportHeliportTimeSlice></aixm:timeSlice></aixm:AirportHeliport></hasMember><hasMember><event:Event gml:id="Event_1_5934818948497110"><gml:identifier codeSpace="urn:uuid:">8174969c-d324-43e9-ab8a-0c97137a2b61</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_5934818948497110"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_5934818948497110"><gml:beginPosition>2026-08-14T19:57:00.000Z</gml:beginPosition><gml:endPosition>2026-11-11T21:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>1006</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_5934818948497110"><event:number>377</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-08-14T19:57:00.000Z</event:issued><event:affectedFIR>ZDC</event:affectedFIR><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:radius>5</event:radius><event:location>BKT</event:location><event:effectiveStart>202608141957</event:effectiveStart><event:effectiveEnd>202611112100</event:effectiveEnd><event:text>OBST TOWER (ASN UNKNOWN) 370522N0774531W (5NM S BKT) &#13;
UNKNOWN (75FT AGL) NOT LGTD</event:text><event:translation><event:NOTAMTranslation gml:id="NT01_5934818948497110"><event:type>LOCAL_FORMAT</event:type><event:simpleText>!DCA 08/377 BKT OBST TOWER (ASN UNKNOWN) 370522N0774531W (5NM S BKT) &#13;
UNKNOWN (75FT AGL) NOT LGTD 2608141957-2611112100</event:simpleText></event:NOTAMTranslation></event:translation><event:translation><event:NOTAMTranslation gml:id="NT02_5934818948497110"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">08/377 NOTAMN &#13;
Q) KZDC//IV/M//000//3704N07757W005 &#13;
A) KBKT &#13;
B) 2608141957 &#13;
C) 2611112100 &#13;
E) TOWER LGT (ASN UNKNOWN) 370522N0774531W ( 5NM S (BKTICAO))( UNKNOWN) ( 75FT AGL) NOT LGTD</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_5934818948497110"><fnse:classification>DOM</fnse:classification><fnse:accountId>DCA</fnse:accountId><fnse:airportname>ALLAN C PERKINSON/BLACKSTONE AAF</fnse:airportname><fnse:lastUpdated>2026-08-14T19:57:00.000Z</fnse:lastUpdated><fnse:icaoLocation>KBKT</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>