Surveys
Survey operations in progress until 062359Z apr by M/V suroit in area between 43-20N 41-20N and 010-00E…
HYDROLANT 1008/01
What this record establishes
Archived notice · 2001-04-07 00:59Z
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) · LA SPEZIA 151/01 291131Z MAR 01. Issued 2001-03-29 14:38Z. 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
- 2001-03-29 14:38Z
- status
- Archived notice
- self-cancels
- 2001-04-07 00:59Z
- authority
- LA SPEZIA 151/01 291131Z MAR 01
- issued by
- LA SPEZIA
- vessel
- M/V SUROIT · 10 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 062359Z APR BY M/V SUROIT IN AREA BETWEEN 43-20N 41-20N AND 010-00E 009-25E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 914/01. 3. CANCEL THIS MSG 070059Z APR.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
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 13:09Z; 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.