Surveys
Underwater operations in progress until 18 may by M/V probe glomar C.R
HYDROLANT 942/01
- issued
- 2001-03-23 08:50Z
- status
- cancelled 2001-05-04 09:15Z (archive)
- cancels
- HYDROLANT 921/01HYDROLANT 934/01
- authority
- NAVAREA V 535/01 230404Z MAR 01; WZ 684/01 230631Z MAR 01; WZ 683/01 230204Z MAR 01
- position
- 4.404, -48.504
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 18 MAY BY M/V PROBE GLOMAR C.R. LUIGS IN 04-24.25N 048-30.25W. FIVE MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 921/01(35), STATION RESTORED. 3. CANCEL HYDROLANT 934/01(37). 4. CANCEL THIS MSG 19 MAY.
This area · survey operations
18 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now
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23
- Survey operations in progress until 112359Z jun by M/V marion dufresne in area bound by 06-59.70N…2023-06-01
- Survey operations 19 thru 21 may by M/V marion dufresne in area within ten miles of 05-38.90N 051-05.20W2023-05-18
- Survey operations in progress until 31 aug by M/V oceanic vega, M/V sanco scorpio and M/V drs retumbante…2023-01-07
- Survey operations in progress until 31 aug by M/V oceanic vega, M/V sanco scorpio and M/V drs retumbante…2023-01-07
- Underwater operations 01 thru 30 aug by M/V antea in 04-53N 051-27W2021-07-27
- Hydrographic survey in progress until 05 may by M/V jean charcot in area bound by 05-26N 050-25W, 05-03N…2015-04-24
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Dsc station st anns head 51-41N 005-11W mf dsc off aircancels · 2001-03-21
- Underwater operations in progress until further notice by cableship peter faber vicinity of trackline…cancels · 2001-03-22
- Dsc station st anns head 51-41N 005-11W mf dsc off airreplaced · 2001-03-21
- Underwater operations in progress until further notice by cableship peter faber vicinity of trackline…replaced · 2001-03-22
- HYDROLANT messages in force 040900Z may 2001cancelled by · 2001-05-04
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
75 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.