Other

Cancel HYDROPAC 3620/16, 3621/16, 3625/16, 3650/16, 3686/16, 3687/16, 3688/16, 3689/16, 3762/16, 3765/16,…

HYDROPAC 4029/16

What this record establishes

Archived notice · 2016-12-28 13:19Z

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) · SFHGA 281318Z DEC 16.. Issued 2016-12-28 13:19Z. 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
No named location parsed. 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

issued
2016-12-28 13:19Z
status
Archived notice
authority
SFHGA 281318Z DEC 16.
issued by
SFHGA
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. CANCEL HYDROPAC 3620/16, 3621/16, 3625/16,
   3650/16, 3686/16, 3687/16, 3688/16, 3689/16,
   3762/16, 3765/16, 3773/16, 3780/16, 3781/16,
   3786/16, 3798/16, 3804/16, 3805/16, 3809/16,
   3817/16, 3839/16, 3844/16, 3847/16, 3851/16,
   3856/16, 3878/16, 3891/16.
2. CANCEL THIS MSG.

Reading this warning

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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 01:22Z; 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.