Surveys
Underwater operations in progress until further notice by M/V goosander within three miles of greenwich…
HYDROLANT 2134/01
What this record establishes
Archived notice · 2001-08-04 15:32Z
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 1624/01 301912Z JUL 01. Issued 2001-07-30 19:53Z. 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
- 2001-07-30 19:53Z
- status
- Archived notice
- authority
- WZ 1624/01 301912Z JUL 01
- issued by
- WZ
- vessel
- M/V GOOSANDER · 57 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V GOOSANDER WITHIN THREE MILES OF GREENWICH LIGHTFLOAT 50-25N 000-00. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2125/01
Reading this warning
- Underwater operations
- Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- 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.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 10:42Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.