Surveys
Survey operations in progress until 19 apr by M/V thomas g thc along trackline joining 06-52.2N 053-18.6W,…
Western South Atlantic · French Guiana · NAVAREA IV 281/21
- issued
- 2021-04-02 13:03Z
- status
- cancelled 2021-04-20 00:01Z (archive)
- authority
- AVURNAV CAYENNE 11/21 021223Z APR 21.
- sea
- North Atlantic Ocean
- position
- 7.815, -52.885
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. FRENCH GUIANA. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 19 APR BY M/V THOMAS G THC ALONG TRACKLINE JOINING 06-52.2N 053-18.6W, 06-56.4N 053-16.8W, 07-00.0N 053-15.0W, 07-04.8N 053-13.2W, 07-09.0N 053-11.4W, 07-13.2N 053-09.0W, 07-17.4N 053-07.2W, 07-27.0N 053-03.0W, 07-37.2N 052-58.0W, 07-46.8N 052-54.0W, 07-56.4N 052-49.8W, 08-06.0N 052-45.0W, 08-16.2N 052-40.8W, 08-26.1N 052-36.6W, 08-36.0N 052-31.8W, 08-45.6N 052-27.6W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 20 APR 21.
This area · survey operations
50 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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05
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15
20
23
- Survey operations 05 thru 14 jul by M/V atlantic spirit in 07-21.61N 055-41.02W2023-06-30
- 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 28 mar thru 31 jul by M/V gyre in area bound by 08-45.48N 052-24.97W, 07-42.93N…2023-03-24
- Survey operations 21 dec thru 31 mar 23 by M/V bgp prospector in area bound by 07-36.03N 054-35.33W,…2022-12-20
- Survey operations 21 dec thru 31 mar 23 by M/V bgp prospector in area bound by 07-36.03N 054-35.33W,…2022-12-19
- Survey operations 17 dec thru 15 feb 23 by M/V bgp prospector towing ten 9000 meter long cables in area…2022-12-15
Season · when survey operations happen here
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month of issue, all years in the archive
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.