Other

Some measure of danger from mines continues to exist from mines which have been sunk but not destroyed

HYDROPAC 901/97

What this record establishes

Archived notice · 2000-10-11 11:05Z

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). Issued 1997-11-26 12:58Z. 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
1997-11-26 12:58Z
status
Archived notice
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. SOME MEASURE OF DANGER FROM MINES CONTINUES TO EXIST FROM MINES
   WHICH HAVE BEEN SUNK BUT NOT DESTROYED. THEREFORE, SHIPS SHOULD,
   IF POSSIBLE, AVOID TRANSITING ANY AREAS IN THE GULF WHERE THERE
   IS NOT AT LEAST SIX TO TEN FEET OF CLEARENCE BETWEEN THE SHIP'S
   KEEL AND THE SEA BOTTOM.
2. CANCEL HYDROPAC 916/87, 1198/88, 1431/90, 1440/90, 1444/90,
   14/91, 21/91, 31/91, 70/91, 484/91, 1167/93.

Reading this warning

Mines and mine danger areas
Sea mines reported adrift or found, and areas where mines are known or suspected to remain.
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.

All warning terms →

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 10:31Z; 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.