Surveys

Hydrographic survey 09 thru 28 mar by M/V laplace in area between 31-20N 31-45N and 010-00W 009-40W

HYDROLANT 458/09

What this record establishes

Archived notice · 2009-03-11 17:36Z

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) · NAVAREA II 56/09 070005Z MAR 09.. Issued 2009-03-07 01:17Z. 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
2009-03-07 01:17Z
status
Archived notice
authority
NAVAREA II 56/09 070005Z MAR 09.
NAVAREA
NAVAREA II · named as the source of this relay
vessel
M/V LAPLACE · 6 messages
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROGRAPHIC SURVEY 09 THRU 28 MAR
   BY M/V LAPLACE IN AREA BETWEEN
   31-20N 31-45N AND 010-00W 009-40W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 29 MAR.

Reading this warning

Survey operations
A research or survey vessel is mapping the seabed or water column, often while towing equipment.
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.
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

50 survey operations listed in force · see all

Record snapshot 2026-09-24 15:58Z; 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.