Surveys

Underwater survey operations 18 thru 21 jun by M/V alliance in area between 44-05N 44-10N and 009-23E 009-30E

HYDROLANT 1254/99

issued: 1999-06-16 06:05Z
status: cancelled 1999-06-22 06:00Z (archive)
authority: MARIDIPART LA SPEZIA 402/99 151322Z JUN 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER SURVEY OPERATIONS 18 THRU 21 JUN
   BY M/V ALLIANCE IN AREA BETWEEN
   44-05N 44-10N AND 009-23E 009-30E.
2. CANCEL THIS MSG 22 JUN.

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.