Surveys

Oceanographic equipment marked by spar buoys, FL(5) y 20 sec, temporarily established in: a. 55-04.9N…

HYDROLANT 1281/99

issued
1999-06-21 10:05Z
status
cancelled 1999-07-31 00:30Z (archive)
authority
WZ 1123/99 210858Z JUN 99
position
55.218, -5.265
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 35299 (9TH ED).
OCEANOGRAPHIC EQUIPMENT MARKED BY SPAR BUOYS, FL(5) Y 20 SEC,
TEMPORARILY ESTABLISHED IN:
A. 55-04.9N 005-30.3W.
B. 55-21.2N 005-01.5W.

This area · survey operations

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

99
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24

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.