Other
Cancel HYDROPAC 1791/21, 2977/21, 3005/21 and this msg
Eastern Indian Ocean · Gulf of Carpentaria · Australia-north Coast · HYDROPAC 3561/21
What this record establishes
Archived notice · 2021-12-09 00:16Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA X 103/21 090003Z DEC 21.. Issued 2021-12-09 00:16Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Eastern Indian Ocean · Gulf of Carpentaria · Australia-north Coast. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Russell island light 17-13.7S 146-05.7E unreliablecancelled by this notice
- Underwater operations in progress until further notice by M/V warrego in area bound by 20-19.12S 115-35.62E,…cancelled by this notice
- Truant island light 11-40.2S 136-50.0E unlitcancelled by this notice
- issued
- 2021-12-09 00:16Z
- status
- Archived notice
- authority
- NAVAREA X 103/21 090003Z DEC 21.
- NAVAREA
- NAVAREA X · named as the source of this relay
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN INDIAN OCEAN. GULF OF CARPENTARIA. AUSTRALIA-NORTH COAST. DNC 04, DNC 05. CANCEL HYDROPAC 1791/21, 2977/21, 3005/21 AND THIS MSG.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
21 other warnings listed in force · see all
Record snapshot 2026-10-03 19:51Z; source collection times vary.
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.