Surveys

Survey operations in progress until 30 dec by M/V bgp challenger towing 12000 meter long cable in areas…

Western South Atlantic · HYDROLANT 4162/17

issued
2017-12-23 00:27Z
status
cancelled 2017-12-31 00:01Z (archive)
authority
NAVAREA V COASTAL S 1029/17 230024Z DEC 17.
sea
South Atlantic Ocean
position
-26.900, -43.818
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 DEC BY
   M/V BGP CHALLENGER TOWING 12000 METER LONG CABLE
   IN AREAS BOUND BY:
   A. 26-24S 043-32W, 26-24S 043-40W,
      26-24S 043-48W, 27-04S 043-59W,
      27-07S 043-55W, 27-13S 043-52W,
      27-17S 043-48W, 27-17S 043-41W.
   B. 27-51S 045-05W, 27-50S 044-56W,
      27-50S 044-49W, 27-50S 044-41W,
      27-50S 044-33W, 27-51S 044-26W,
      27-53S 044-20W.
   WIDE BERTH REQUESTED
2. CANCEL THIS MSG 31 DEC 17.

This area · survey operations

462 within 180 nm since 2000 · 2 in the last 12 months · 0 in force now

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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.