Surveys

Underwater operations 14 thru 18 feb by M/V manning in area between 44-02N 44-04N and 009-40E 009-47E

HYDROLANT 539/00

issued: 2000-02-12 14:43Z
status: cancelled 2000-02-19 06:00Z (archive)
cancels: HYDROLANT 463/00
authority: 1.MARIDIPART LA SPEZIA 38/00 120950A FEB 00; 2. NAVAREA II 42/00 121310Z FEB 00
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 14 THRU 18 FEB BY M/V MANNING IN AREA
   BETWEEN 44-02N 44-04N AND 009-40E 009-47E.
2. CANCEL HYDROLANT 463/00(51).
3. CANCEL THIS MSG 19 FEB.

Timeline

Hazardous operations 112000Z to 112359Z feb, alternate 2000Z to 2359Z daily 16 and 17 feb within 54 miles of…cancels · 2000-02-07
Hazardous operations 112000Z to 112359Z feb, alternate 2000Z to 2359Z daily 16 and 17 feb within 54 miles of…replaced · 2000-02-07

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.