Surveys

Oceanographic mooring marked by spar buoy, FL(5) y 20 sec temporarily established in 55-04.9N 005-30.3W

HYDROLANT 1573/99

issued
1999-07-31 00:30Z
status
cancelled 1999-08-13 09:10Z (archive)
cancels
HYDROLANT 1281/99
authority
WZ 1355/99 301937Z JUL 99
position
55.082, -5.505
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 35299 (9TH ED).
1. OCEANOGRAPHIC MOORING MARKED BY SPAR BUOY, FL(5) Y 20 SEC
   TEMPORARILY ESTABLISHED IN 55-04.9N 005-30.3W.
2. CANCEL HYDROLANT 1281/99.

This area · survey operations

270 within 180 nm since 1999 · 0 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

Timeline

Nearby now · 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.