Surveys
Underwater operations in progress until 01 sep by M/V zephir, dredge gateway and tug multicat bkm 103 in…
Black Sea · Romania · HYDROLANT 742/21
- issued
- 2021-03-16 00:50Z
- status
- cancelled 2021-06-22 10:45Z (archive)
- cancels
- HYDROLANT 688/21
- authority
- NAVAREA III 256/21 160006Z MAR 21.
- sea
- Black Sea
- position
- 44.180, 28.740
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BLACK SEA. ROMANIA. DNC 10. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 01 SEP BY M/V ZEPHIR, DREDGE GATEWAY AND TUG MULTICAT BKM 103 IN AREA BOUND BY 44-09.16N 028-44.03E, 44-09.96N 028-43.37E, 44-12.42N 028-44.89E, 44-12.23N 028-45.44E. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 688/21. 3. CANCEL THIS MSG 02 SEP 21.
This area · survey operations
177 within 180 nm since 1999 · 7 in the last 12 months · 6 in force now
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26
- 1- drilling operations by abdulhamid han rig (imo 97050932026-08-17
- Drilling operations by the kanuni platform (imo 95412032026-08-17
- 1- drilling operations by yildirim rig (imo 9705469, mmsi 271053959), supported by ertugrul bey, aybuke,…2026-08-11
- Survey operations in progress until 16 aug by M/V ocean aero in area bound by 44-19.85N 028-47.28E,…2026-08-03
- Drilling operations by abdulhamid han (imo 97050932026-07-28
- Drilling operations by yavuz platform (imo 9503768, mmsi 271046765) supported by osman bey, aybuke, florya,…2026-06-26
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until 01 sep by vessel zephir, dredge gateway, and tug multicat bkm 103 in…cancels · 2021-03-10
- Underwater operations in progress until 01 sep by vessel zephir, dredge gateway, and tug multicat bkm 103 in…replaced · 2021-03-10
- Cancel HYDROLANT 742/21 and this msgcancelled by · 2021-06-22
Nearby now · within 120 nm
- Naval operations 0500Z to 1200Z daily 13 thru 15 aug in area bound by 44-12.00N 028-40.00E, 44-12.00N…Other · 1.3 nm
- Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 3.6 nm
- Survey operations in progress until 16 aug by M/V ocean aero in area bound by 44-19.85N 028-47.28E,…Surveys · 11.8 nm
- Hazardous operations 0600Z to 1200Z daily 18, 24, 25 and 28 aug and 0600Z to 1400Z daily 19 thru 21, 26 and…Exercises · 12.8 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 21.9 nm
- Object adrift in vicinity 44-00.65N 030-34.50E at 120630Z augDebris · 79.8 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 82.8 nm
- Underwater operations 05 jan 25 thru 31 dec 26 in area bound by 44-04.40N 030-34.13E, 44-02.40N 030-30.50E,…Surveys · 84.5 nm
- War risk area, in northwestern part of black sea to northern of line 45-12.2N 029-41.1E 45-11.5N 029-41.4E…Other · 108.8 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.