<AIXMBasicMessage gml:id="NMS_ID_1775514486275547"><gml:boundedBy xsi:nil="true"/><hasMember><event:Event gml:id="Event_1_1775514486275547"><gml:identifier codeSpace="urn:uuid:">76a2cf4e-49f7-4030-b38d-3877a2949def</gml:identifier><gml:boundedBy xsi:nil="true"/><event:timeSlice><event:EventTimeSlice gml:id="Event_TS_1_1775514486275547"><gml:validTime><gml:TimePeriod gml:id="Event_TS_TP_1_1775514486275547"><gml:beginPosition>2026-04-06T22:26:00.000Z</gml:beginPosition><gml:endPosition>2026-04-09T10:00:00.000Z</gml:endPosition></gml:TimePeriod></gml:validTime><aixm:interpretation>BASELINE</aixm:interpretation><aixm:sequenceNumber>1</aixm:sequenceNumber><aixm:correctionNumber>0</aixm:correctionNumber><event:scenario>6000</event:scenario><event:textNOTAM><event:NOTAM gml:id="NOTAM_1_1775514486275547"><event:series>J</event:series><event:number>1644</event:number><event:year>2026</event:year><event:type>N</event:type><event:issued>2026-04-06T22:26:00.000Z</event:issued><event:affectedFIR>YBBB</event:affectedFIR><event:selectionCode>QFAXX</event:selectionCode><event:traffic>IV</event:traffic><event:purpose>NBO</event:purpose><event:scope>A</event:scope><event:minimumFL>000</event:minimumFL><event:maximumFL>999</event:maximumFL><event:coordinates>2738S15243E</event:coordinates><event:radius>005</event:radius><event:location>YAMB</event:location><event:effectiveStart>202604062226</event:effectiveStart><event:effectiveEnd>202604091000</event:effectiveEnd><event:schedule>2604062226 TO 2604071000 2604072200 TO 2604081000 2604082200 TO 2604091000</event:schedule><event:text>ENGINE TEST CELL OPS (ETC1) ACT WILL TAKE PLACE
WI PSN 273854S 1524250E BRG 240 MAG 285M FM THR RWY 33
FLASHING BEACON WILL BE ON DURING ETC1 OPERATION AND NOTIFIED ON ATIS
WHEN ATC IS ACTIVE
ACFT OVERFLYING ETC1 DURING OPERATION MAY EXPERIENCE:
-MOD TURB BELOW 873FT AGL (964FT AMSL) WITHIN 79M
-SEV TURB BELOW 131FT AGL (222FT AMSL) WITHIN 17M
-EXTREME TURB BELOW 66FT AGL (157FT AMSL) WITHIN 9M
PILOTS ARE TO REMAIN VISUALLY CLEAR WHEN BELOW 1000FT AMSL (REMAINING
EAST OF TWY A WILL KEEP FLIGHT PATH CLEAR)
IF UNABLE TO REMAIN VISUALLY CLEAR:
-ADVISE ATC (IF ATC ACTIVE)
-CIRCUIT OPERATIONS NOT AVBL 
-PRACTICE INSTRUMENT APPROACHES NOT AVBL
DURING COMMON TFC ADVISORY FREQ (CTAF) ALL IAP PROTECTION SURFACES
ARE INFRINGED IAP NOT AVBL IN IMC, MIL ACFT CONDUCT IAP AT OWN RISK
PLUME HAZARD OCCASIONALLY EXTENDS BEYOND THAT DEFINED ABOVE (EXPECTED
DURATION 2MIN) - ATC WILL ACTIVATE AND PROVIDE SEGREGATION TO
TERMINAL AIR TRAFFIC
NO CONCURRENT CIVIL OPS WHILST ETC1 IS IN OPERATION WITHOUT PRIOR
APPROVAL
ILS-Z AND LOC-Z RWY 15 NOT AVBL TO CIVILIAN ACFT DUE HAZARDOUS PLUME
INFRINGING INSTRUMENT APPROACH PROTECTION SERVICES
ALL REQUESTS FOR CIVIL OPS DURING NOTAM PERIOD ARE TO CONTACT THE AIR
BASE OPERATIONS CENTRE ON TEL: 07 5361 2888 OR
AMB.ABOC(AT)DEFENCE.GOV.AU
ETC1 MAY BE CONTACTED AT (07) 5362 9628 OR (07)
5362 8678 TO STOP OPS IF REQUIRED WITH 5MIN PN</event:text><event:translation><event:NOTAMTranslation gml:id="NT02_1775514486275547"><event:type>OTHER:ICAO</event:type><event:formattedText><html:div xmlns:html="http://www.w3.org/1999/xhtml">&lt;pre&gt;
J1644/26 NOTAMN
Q) YBBB/QFAXX/IV/NBO/A/000/999/2738S15243E005
A) YAMB
B) 2604062226 C) 2604091000
D) 2604062226 TO 2604071000
   2604072200 TO 2604081000
   2604082200 TO 2604091000
E) ENGINE TEST CELL OPS (ETC1) ACT WILL TAKE PLACE
WI PSN 273854S 1524250E BRG 240 MAG 285M FM THR RWY 33
FLASHING BEACON WILL BE ON DURING ETC1 OPERATION AND NOTIFIED ON ATIS
WHEN ATC IS ACTIVE
ACFT OVERFLYING ETC1 DURING OPERATION MAY EXPERIENCE:
-MOD TURB BELOW 873FT AGL (964FT AMSL) WITHIN 79M
-SEV TURB BELOW 131FT AGL (222FT AMSL) WITHIN 17M
-EXTREME TURB BELOW 66FT AGL (157FT AMSL) WITHIN 9M
PILOTS ARE TO REMAIN VISUALLY CLEAR WHEN BELOW 1000FT AMSL (REMAINING
EAST OF TWY A WILL KEEP FLIGHT PATH CLEAR)
IF UNABLE TO REMAIN VISUALLY CLEAR:
-ADVISE ATC (IF ATC ACTIVE)
-CIRCUIT OPERATIONS NOT AVBL 
-PRACTICE INSTRUMENT APPROACHES NOT AVBL
DURING COMMON TFC ADVISORY FREQ (CTAF) ALL IAP PROTECTION SURFACES
ARE INFRINGED IAP NOT AVBL IN IMC, MIL ACFT CONDUCT IAP AT OWN RISK
PLUME HAZARD OCCASIONALLY EXTENDS BEYOND THAT DEFINED ABOVE (EXPECTED
DURATION 2MIN) - ATC WILL ACTIVATE AND PROVIDE SEGREGATION TO
TERMINAL AIR TRAFFIC
NO CONCURRENT CIVIL OPS WHILST ETC1 IS IN OPERATION WITHOUT PRIOR
APPROVAL
ILS-Z AND LOC-Z RWY 15 NOT AVBL TO CIVILIAN ACFT DUE HAZARDOUS PLUME
INFRINGING INSTRUMENT APPROACH PROTECTION SERVICES
ALL REQUESTS FOR CIVIL OPS DURING NOTAM PERIOD ARE TO CONTACT THE AIR
BASE OPERATIONS CENTRE ON TEL: 07 5361 2888 OR
AMB.ABOC(AT)DEFENCE.GOV.AU
ETC1 MAY BE CONTACTED AT (07) 5362 9628 OR (07)
5362 8678 TO STOP OPS IF REQUIRED WITH 5MIN PN
&lt;/pre&gt;</html:div></event:formattedText></event:NOTAMTranslation></event:translation></event:NOTAM></event:textNOTAM><event:extension><fnse:EventExtension gml:id="ext_01_1775514486275547"><fnse:classification>INTL</fnse:classification><fnse:accountId>YBBBZEZX</fnse:accountId><fnse:airportname>AMBERLEY</fnse:airportname><fnse:originID>YBBBZEZX</fnse:originID><fnse:lastUpdated>2026-04-06T22:27:00.000Z</fnse:lastUpdated><fnse:icaoLocation>YAMB</fnse:icaoLocation></fnse:EventExtension></event:extension></event:EventTimeSlice></event:timeSlice></event:Event></hasMember></AIXMBasicMessage>