Nav aids
Department of homeland security (dhs) raised the homeland security advisory system (hsas) from elevated…
Threat Condition Level High (orange) · The U.S · NAVAREA IV 496/03
- issued
- 2003-12-22 15:45Z
- status
- cancelled 2004-01-10 00:05Z (archive)
- authority
- MARAD ADVISORY 6/03 221500Z DEC 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
THREAT CONDITION LEVEL HIGH (ORANGE). 1. THE U.S. DEPARTMENT OF HOMELAND SECURITY (DHS) RAISED THE HOMELAND SECURITY ADVISORY SYSTEM (HSAS) FROM ELEVATED (YELLOW) TO THREAT CONDITION HIGH (ORANGE) ON 21 DEC. THIS CONDITION SIGNIFIES A HIGH RISK OF TERRORIST ATTACK. DHS HAS RECEIVED A SUBSTANTIAL INCREASE IN THE VOLUME OF THREAT RELATED INTELLIGENCE REPORTS THAT ARE PERHAPS GREATER NOW THAN AT ANY POINT SINCE 11 SEP 01. 2. THE U.S. INTELLIGENCE COMMUNITY BELIEVES THAT AL-QAIDA CONTINUES TO DEVELOP PLANS TO USE AIRCRAFT AS A WEAPON IN SUICIDE ATTACKS IN THE UNITED STATES, AND CONTINUES TO STUDY COUNTRIES TO DETERMINE THOSE THAT HAVE THE LEAST STRINGENT AVIATION SECURITY MEASURES. IN ADDITION, THE ACQUISITION, PRODUCTION, OR THEFT OF CHEMICAL, BIOLOGICAL, RADIOLOGICAL, OR NUCLEAR MATERIALS AND SUBSEQUENT DISSEMINATION IS A TOP AL-QAIDA OBJECTIVE. 3. PUBLIC AND PRIVATE OWNERS OF MARITIME VESSELS AND FACILITIES ARE REQUESTED TO: (1) REVIEW ALL VESSEL SECURITY PLANS, (2) MONITOR RESTRICTED AREAS, (3) CONTROL ACCESS TO THE VESSEL, (4) MONITOR DECK AREAS AND AREAS SURROUNDING THE VESSEL, (5) IMPLEMENT SECURITY LOOKOUTS AND/OR SECURITY PATROLS TO ENSURE CONTINUOUS MONITORING, (6) PERFORM WATERSIDE BOAT PATROLS TO ENSURE CONTINUOUS MONITORING, (7) USE DIVERS TO INSPECT THE UNDERWATER PIER STRUCTURES ASSOCIATED WITH VESSEL BERTHING AND LOADING/UNLOADING OPERATIONS, INCLUDING PIERS, DOCKS, MOLES, POL DOLPHINS, ETC, PRIOR TO VESSEL ARRIVAL AND UPON VESSEL'S ARRIVAL, AND IN OTHER SITUATIONS WHERE DEEMED APPROPRIATE, (8) CONTROL THE EMBARKATION OF PERSONS AND THEIR EFFECTS, AND (9) SUPERVISE THE HANDLING OF CARGO, VESSEL STORES AND BUNKERS. 4. MARITIME INDUSTRY OPERATORS ARE URGED TO MAINTAIN HIGH LEVELS OF SECURITY AND IMPLEMENT APPROPRIATE PROTECTIVE MEASURES THAT CORRESPOND TO THREAT CONDITION ORANGE UNDER THE HSAS. 5. DHS ENCOURAGES RECIPIENTS OF THIS ADVISORY TO REPORT INFORMATION CONCERNING SUSPICIOUS OR CRIMINAL ACTIVITY TO LOCAL LAW ENFORCEMENT, LOCAL FBI JOINT TERRORISM TASK FORCE OR THE HOMELAND SECURITY OPERATIONS CENTER (HSOC). THE HSOC MAY BE CONTACTED AT PHONE: 202 282 8101. THE TRANSPORTATION INDUSTRY CAN ALSO REPORT INFORMATION CONCERNING SUSPICIOUS ACTIVITY TO THEIR LOCAL FBI OFFICE THROUGH THE FBI WEBSITE WWW.FBI.GOV/CONTACT/FO/FO.HTM OR TO THE NATIONAL INFRASTRUCTURE PROTECTION CENTER (NIPC) AT ITS WEBSITE: WWW.NIPC.GOV/INCIDENT/CIRR.HTM. 6. U.S. MERCHANT VESSELS AND CRUISE SHIPS SHOULD BE ON A HEIGHTENED STATE OF SECURITY, SHOULD CLOSELY MONITOR THE NATIONAL GEOSPATIAL-INTELLIGENCE AGENCYS (NGA) BROADCAST WARNINGS AND SHOULD REVIEW THE EMERGENCY COMMUNICATION PROCEDURES FOR ASSISTANCE IN NGA PUBLICATION 117. 7. ALL U.S.-FLAG OPERATORS ARE REQUESTED TO FORWARD THIS ADVISORY TO THEIR SHIPS BY THE MOST EXPEDIENT MEANS. THIS ADVISORY WILL SUBSEQUENTLY BE PUBLISHED IN THE "WEEKLY NOTICE TO MARINERS" AND MARAD INTERNET WEB SITE: WWW.MARAD.DOT.GOV. 8. FOR FURTHER INFORMATION REGARDING THIS ADVISORY CONTACT THE MARITIME ADMINISTRATION, OFFICE OF SHIP OPERATIONS, CODE MAR-613, ROOM 2123, 400 7TH STREET SW, WASHINGTON, DC 20590; PHONE: 202 366 5735, OR BY EMAIL: OPCENTR1@MARAD.DOT.GOV. 9. THE HOMELAND SECURITY ADVISORY SYSTEM HAS BEEN ELEVATED TO THREAT CONDITION ORANGE.
Timeline
- Cancel NAVAREA IV 496/03 and this msg, threat condition level lowered to yellow (elevated)cancelled by · 2004-01-10
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
193 aids-to-navigation notices in force · see all
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.