Surveys

Underwater operations in progress until 15 sep by M/V bsm I, M/V arara III, M/V mar azul, M/V asteomar V and…

Brazil-northeast Coast · HYDROLANT 1716/14

issued: 2014-07-15 01:05Z
status: cancelled 2014-09-16 00:01Z (archive)
cancels: HYDROLANT 961/14
authority: NAVAREA V E 794/14 150032Z JUL 14.
sea: South Atlantic Ocean
position: -4.964, -36.395
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTHEAST COAST.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 15 SEP
   BY M/V BSM I, M/V ARARA III, M/V MAR AZUL,
   M/V ASTEOMAR V AND M/V OCEANICA
   IN AREA BOUND BY
   05-02.16S 036-24.32W, 04-55.45S 036-24.16W,
   04-55.53S 036-22.47W, 04-57.22S 036-22.95W,
   04-59.05S 036-23.51W, 04-58.99S 036-23.49W,
   05-02.22S 036-24.13W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 961/14.
3. CANCEL THIS MSG 16 SEP 14.

This area · survey operations

89 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Underwater operations in progress until 15 jul by M/V bsm I, M/V arara III, M/V mar azul, M/V asteomar V and…cancels · 2014-04-09
Underwater operations in progress until 15 jul by M/V bsm I, M/V arara III, M/V mar azul, M/V asteomar V and…replaced · 2014-04-09

Nearby now · within 120 nm

Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 37.9 nm
Odas buoy established in 05-09.46S 035-09.81WNav aids · 74.5 nm
Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…Exercises · 109.1 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.