Surveys
Hazardous underwater operations 14 thru 20 nov within 10 miles of 36-55N 011-54E
HYDROLANT 2413/99
- issued
- 1999-11-11 01:45Z
- status
- cancelled 1999-11-17 19:35Z (archive)
- authority
- ATLANTIC FLT HQ NORFOLK VA 10 NOV 99
- sea
- Mediterranean Sea - Eastern Basin
- position
- 36.917, 11.900 · r 10.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS UNDERWATER OPERATIONS 14 THRU 20 NOV WITHIN 10 MILES OF 36-55N 011-54E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 21 NOV.
This area · survey operations
278 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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22
- Survey operations 10 apr thru 10 may by M/V dalla porta in: a. 37-23.06N 011-35.59E2022-04-08
- Survey operations 13 thru 21 feb by M/V havila phoenix with submersible along trackline joining 35-56.56N…2022-02-11
- Survey operations in progress until 12 mar 22 by M/V artabro in area bound by 36-46.3N 011-01.8E, 37-01.5N…2021-10-30
- Survey operations in progress until 12 mar 22 by M/V viccica in area bound by 36-48.5N 011-02.9E, 36-46.8N…2021-10-30
- Survey operations in progress until 01 nov by M/V artabro in area bound by 36-47.4N 011-04.3E, 37-14.2N…2021-10-25
- Underwater operations 22 sep thru 16 oct by M/V dalla porta in area bound by 37-34N 011-14E, 37-23N 011-36E,…2021-09-20
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 2413/99, operations completedcancelled by · 1999-11-17
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.