Surveys

Oceanographic buoy, yellow, fl y 20 sec established in 43-37N 013-51E

HYDROLANT 540/99

issued: 1999-03-19 18:30Z
status: cancelled 2001-01-05 12:10Z (archive)
position: 43.617, 13.850
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 54105 (2ND ED).
OCEANOGRAPHIC BUOY, YELLOW, FL Y 20 SEC ESTABLISHED
IN 43-37N 013-51E.

This area · survey operations

98 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

Underwater operations 16 thru 31 may along trackline joining 43-24.77N 007-54.03E, 43-27.27N 007-57.26E,…2020-05-15
Survey operations in progress until 15 may by NR2 saildrones along trackline joining 43-24.8N 007-54.0E,…2020-04-10
Underwater operations 04 thru 31 oct within 500 meters of 44-40.27N 013-12.48E2015-10-03
Underwater operations in progress until 202359Z dec by M/V northern explorer in area bound by 44-40.5N…2013-12-16
Underwater operations in progress until further notice by M/V northern explorer in area bound by 44-44N…2013-12-11
Underwater operations in progress until further notice by M/V northern explorer in area bound by 42-06.1N…2013-11-16

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

HYDROLANT messages in force 051000Z jan 2001cancelled by · 2001-01-05

Nearby now · within 120 nm

Resourseful platform up to 312359 UTC AUG26 in position 44-31.60N 012-30.60E 3. maximum height above sea…Other · 79.5 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.