Exercises
Hazardous operations 1631Z to 1830Z daily 06 thru 31 mar in area bound by 03-12N 000-54W, 02-56N 002-14E,…
Gulf of Guinea · HYDROLANT 712/18
- issued
- 2018-03-01 10:32Z
- status
- cancelled 2018-03-12 11:08Z (archive)
- self-cancels
- 2018-03-31 19:30Z
- authority
- FRENCH GUIANA 201051Z FEB 18.
- sea
- Gulf of Guinea
- position
- 2.783, 0.645
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF GUINEA. DNC 01. 1. HAZARDOUS OPERATIONS 1631Z TO 1830Z DAILY 06 THRU 31 MAR IN AREA BOUND BY 03-12N 000-54W, 02-56N 002-14E, 02-22N 002-12E, 02-38N 000-57W. 2. CANCEL THIS MSG 311930Z MAR 18.
Activity windows · 26 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 2018-03-06 16:31Z | 2018-03-06 18:30Z | Mar 06, 16:31 → Mar 06, 18:30 | 1 h 59 |
| 2018-03-07 16:31Z | 2018-03-07 18:30Z | Mar 07, 16:31 → Mar 07, 18:30 | 1 h 59 |
| 2018-03-08 16:31Z | 2018-03-08 18:30Z | Mar 08, 16:31 → Mar 08, 18:30 | 1 h 59 |
| 2018-03-09 16:31Z | 2018-03-09 18:30Z | Mar 09, 16:31 → Mar 09, 18:30 | 1 h 59 |
| 2018-03-10 16:31Z | 2018-03-10 18:30Z | Mar 10, 16:31 → Mar 10, 18:30 | 1 h 59 |
| 2018-03-11 16:31Z | 2018-03-11 18:30Z | Mar 11, 16:31 → Mar 11, 18:30 | 1 h 59 |
| 2018-03-12 16:31Z | 2018-03-12 18:30Z | Mar 12, 16:31 → Mar 12, 18:30 | 1 h 59 |
| 2018-03-13 16:31Z | 2018-03-13 18:30Z | Mar 13, 16:31 → Mar 13, 18:30 | 1 h 59 |
| … 18 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
2 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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18
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 712/18 and this msg, operations completedcancelled by · 2018-03-12
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
35 military exercises in force · see all
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
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.