Surveys

Underwater operations 26 mar thru 07 apr by M/V alliance in area between 43-00N 43-20N and 010-00E 010-20E

HYDROLANT 952/01

issued: 2001-03-24 03:03Z
status: cancelled 2001-04-08 00:00Z (archive)
cancels: HYDROLANT 935/01
authority: MARIDIPART LA SPEZIA 139/01 231426Z MAR 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 26 MAR THRU 07 APR BY M/V ALLIANCE
   IN AREA BETWEEN 43-00N 43-20N AND 010-00E 010-20E.
2. CANCEL HYDROLANT 935/01.
3. CANCEL THIS MSG 08 APR.

Timeline

Underwater operations 24 thru 30 mar by M/V nrv alliance towing cable within one mile of 43-50N 009-15Ecancels · 2001-03-22
Underwater operations 24 thru 30 mar by M/V nrv alliance towing cable within one mile of 43-50N 009-15Ereplaced · 2001-03-22

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.