Surveys

Oceanographic buoy, FL(5) y 20 sec, established in 53-45.0N 005-00.0W

HYDROLANT 783/99

issued
1999-04-20 18:47Z
status
cancelled 1999-09-17 09:10Z (archive)
cancels
HYDROLANT 766/99
position
53.750, -5.000
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 36060 (17TH ED).
1. OCEANOGRAPHIC BUOY, FL(5) Y 20 SEC, ESTABLISHED
   IN 53-45.0N 005-00.0W.
2. CANCEL HYDROLANT 766/99.

This area · survey operations

460 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.