Surveys

Survey operations 10 sep thru 04 oct by M/V hesperides towing equipment in area between 35-50N 37-30N and…

HYDROLANT 2422/01

issued: 2001-09-07 11:20Z
status: cancelled 2001-09-10 21:33Z (archive)
cancels: HYDROLANT 2384/01
authority: NAVAREA II 337/01; NAVAREA II 338/01 070900Z SEP 01
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 10 SEP THRU 04 OCT BY M/V HESPERIDES
   TOWING EQUIPMENT IN AREA BETWEEN 35-50N 37-30N AND
   004-20W 010-30W. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2384/01(37), OPERATIONS COMPLETED.
3. CANCEL THIS MSG 05 OCT.

Timeline

Underwater cable operations in progress until further notice by cableship leon thevenin along trackline…cancels · 2001-09-02
Underwater cable operations in progress until further notice by cableship leon thevenin along trackline…replaced · 2001-09-02
Survey operations in progress until 13 sep by M/V hesperides towing 6000 meter long cable along trackline…cancelled by · 2001-09-10

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 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.