Surveys
Underwater operation 220800Z to 221800Z, 0800Z to 1800Z and 2100Z to 2359Z daily 23 thru 25 jun in area…
Black Sea · Romania · HYDROLANT 1981/20
- issued
- 2020-06-17 13:21Z
- status
- cancelled 2020-06-26 01:00Z (archive)
- self-cancels
- 2020-06-26 01:00Z
- authority
- NAVAREA III 916/20 171315Z JUN 20.
- sea
- Black Sea
- position
- 43.907, 28.632
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BLACK SEA. ROMANIA. DNC 10. 1. UNDERWATER OPERATION 220800Z TO 221800Z, 0800Z TO 1800Z AND 2100Z TO 2359Z DAILY 23 THRU 25 JUN IN AREA BOUNDED BY 43-54.6N 028-37.4E, 43-54.6N 028-38.4E, 43-54.2N 028-38.4E, 43-54.2N 028-37.4E. 2. CANCEL THIS MSG 260100Z JUN 20.
Activity windows · 7 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-06-22 08:00Z | 2020-06-22 18:00Z | — | 10 h |
| 2020-06-23 08:00Z | 2020-06-23 18:00Z | — | 10 h |
| 2020-06-23 21:00Z | 2020-06-23 23:59Z | — | 2 h 59 |
| 2020-06-24 08:00Z | 2020-06-24 18:00Z | — | 10 h |
| 2020-06-24 21:00Z | 2020-06-24 23:59Z | — | 2 h 59 |
| 2020-06-25 08:00Z | 2020-06-25 18:00Z | — | 10 h |
| 2020-06-25 21:00Z | 2020-06-25 23:59Z | — | 2 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · survey operations
188 within 180 nm since 1999 · 7 in the last 12 months · 6 in force now
99
00
05
10
15
20
25
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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 14.3 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 · 16.6 nm
- Survey operations in progress until 16 aug by M/V ocean aero in area bound by 44-19.85N 028-47.28E,…Surveys · 28.8 nm
- Hazardous operations 0600Z to 1200Z daily 18, 24, 25 and 28 aug and 0600Z to 1400Z daily 19 thru 21, 26 and…Exercises · 29.7 nm
- Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 33.4 nm
- Object adrift in vicinity 44-00.65N 030-34.50E at 120630Z augDebris · 84.2 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 · 88.2 nm
- Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 97.9 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.