Surveys
Survey operations in progress until 16 feb 18 by M/V bgp challenger and M/V sea moby dick towing 80 150…
Western South Atlantic Brazil-north Coast · HYDROLANT 3256/17
- issued
- 2017-10-12 01:11Z
- status
- cancelled 2018-02-17 00:01Z (archive)
- authority
- NAVAREA V COASTAL N 844/17 120051Z OCT 17.
- position
- -1.116, -39.936
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC BRAZIL-NORTH COAST. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 FEB 18 BY M/V BGP CHALLENGER AND M/V SEA MOBY DICK TOWING 80 150 METER LONG CABLES IN AREA BOUND BY 02-10.08S 041-25.66W, 00-06.13N 041-25.88W, 00-05.33N 039-40.13W, 00-07.23S 038-46.60W, 00-35.71S 038-10.48W, 00-54.31S 037-59.38W, 02-31.43S 039-14.38W. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 17 FEB 18.
This area · survey operations
38 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
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23
- Underwater operations in progress until 31 dec by M/V draga volzee in area bound by 02-25.00S 042-18.00W,…2023-07-01
- Survey operations in progress until 182300Z may in areas bound by: a. 02-56.00S 038-00.20W, 02-56.00S…2023-05-18
- Survey operations in progress until 16 jun by M/V selmar I in areas bound by: a. 03-41.77S 038-29.27W,…2018-06-15
- Underwater operations 1000Z to 2000Z daily until 29 dec by M/V pacific guardian in area bound by 03-30.00S…2017-10-11
- Underwater operations 1000Z to 2000Z daily until 19 dec by M/V pacific guardian in area bound by 03-30.00S…2017-10-11
- Underwater operations 1000Z to 2000Z daily 26 thru 31 aug by M/V river sub I in 03-34.78S 038-44.48W2017-08-26
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
73 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.