Surveys

Survey operations in progress until further notice by M/V ramform vanguard towing 12 10500 meter long cables…

North Sea · HYDROLANT 1560/21

issued
2021-06-10 22:55Z
status
cancelled 2021-07-03 22:41Z (archive)
cancels
HYDROLANT 1515/21
authority
NAVAREA I 96/21 102247Z JUN 21.
sea
North Sea
position
59.909, 1.239
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH SEA.
DNC 20.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V RAMFORM VANGUARD TOWING
   12 10500 METER LONG CABLES IN AREA BOUND BY
   60-11N 001-15E, 59-56N 001-34E,
   59-38N 001-13E, 59-53N 000-55E.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1515/21.

This area · survey operations

151 within 180 nm since 1999 · 3 in the last 12 months · 3 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

86 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.