Surveys

Survey operations in progress until 26 apr by M/V l'espoir along trackline joining 32-12S 051-58W, 31-53S…

HYDROLANT 1102/01

issued: 2001-04-09 06:35Z
status: cancelled 2001-04-17 07:14Z (archive)
authority: NAVAREA V 639/01 090402Z APR 01
sea: South Atlantic Ocean
position: -27.805, -46.820
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS IN PROGRESS UNTIL 26 APR BY
   M/V L'ESPOIR ALONG TRACKLINE JOINING
   32-12S 051-58W, 31-53S 051-00W, 24-11S 042-50W,
   23-04S 043-27W, 23-00S 043-08W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 27 APR.

This area · survey operations

146 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Underwater cable operations by M/V wave alert towing 1500 meter long cable: a. 180500Z to 191700Z apr in…cancelled by · 2001-04-17

Nearby now · within 120 nm

Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 33.7 nm
Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…Surveys · 78.5 nm
Ponta da galheta light 27-34.55S 048-24.99W unlit until 31 augNav aids · 86 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.