Surveys

Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…

HYDROLANT 2178/01

issued: 2001-08-06 21:05Z
status: cancelled 2001-08-07 09:10Z (archive)
cancels: HYDROLANT 2177/01
authority: NAVAREA II 291/01 061930Z AUG 01
position: 49.084, 6.053
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V NEFTEGAZ 31 VICINITY OF TRACKLINE
   BETWEEN 49-05.0N 006-23.2E AND 49-05.1N 005-43.1E.
   ONE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 2177/01.

This area · survey operations

2 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Underwater operations in progress until further notice by M/V scab-scarab in 49-56.3N 005-33.9E wide berth…1999-10-06

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…cancels · 2001-08-06
Underwater operations in progress until further notice by M/V neftegaz 31 vicinity of trackline between…replaced · 2001-08-06
M/V arklow valley adrift vicinity 47-25.0N 003-54.5W at 070700Z augcancelled by · 2001-08-07

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.