Surveys

Underwater operations 15 feb thru 15 mar by M/V nautical tide in area between 33-44N 33-18N and 032-05E…

HYDROLANT 238/04

issued: 2004-02-09 19:10Z
status: cancelled 2004-03-16 00:00Z (archive)
cancels: HYDROLANT 235/04
authority: NAVAREA III 61/04 091815Z FEB 04; UKMRCC AOR-W EGC#249 091853Z FEB 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 15 FEB THRU 15 MAR
   BY M/V NAUTICAL TIDE IN AREA BETWEEN
   33-44N 33-18N AND 032-05E 032-10E.
2. CANCEL HYDROLANT 235/04(38).
3. CANCEL THIS MSG 16 MAR.

Timeline

Distress signal received on 121.5 mhz in 51-49N 027-23W at 090856Z febcancels · 2004-02-09
Distress signal received on 121.5 mhz in 51-49N 027-23W at 090856Z febreplaced · 2004-02-09

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

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.