Wrecks

Cancel HYDROLANT 1778/21 and this msg, wreck removed

Bristol Channel · England · HYDROLANT 1909/21

What this record establishes

Archived notice · 2021-07-21 14:59Z

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) · WZ 770/21 211402Z JUL 21.. Issued 2021-07-21 14:59Z. 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
Bristol Channel · England. 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

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROLANT 1778/212021-07-06 · Archived notice
  2. HYDROLANT 1909/21 · this notice2021-07-21 · Archived notice
  3. HYDROLANT 1947/212021-07-26 · Archived notice
  4. HYDROLANT 2037/212021-08-04 · Archived notice
Compare all 4 notices, changes and original texts →
issued
2021-07-21 14:59Z
status
Archived notice
authority
WZ 770/21 211402Z JUL 21.
issued by
WZ
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BRISTOL CHANNEL.
ENGLAND.
DNC 20.
CANCEL HYDROLANT 1778/21 AND THIS MSG,
WRECK REMOVED.

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.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Dangerous wreck
A sunken vessel close enough to the surface to endanger ships, or wreckage reported in the water.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

38 wrecks & obstructions listed in force · see all

Record snapshot 2026-10-02 04:59Z; source collection times vary.

Wrecks

Dangerous wrecks, shoals and submerged obstructions. All current wrecks & obstructions →

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.