Surveys

Underwater operations 140200Z to 150159Z dec by M/V rig supporter towing submersible in area between 22-11S…

HYDROLANT 2725/02

issued
2002-12-11 09:20Z
status
cancelled 2002-12-15 02:59Z (archive)
self-cancels
2002-12-15 02:59Z
authority
NAVAREA V 1613/02 110403Z DEC 02
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 140200Z TO 150159Z DEC BY
   M/V RIG SUPPORTER TOWING SUBMERSIBLE IN AREA
   BETWEEN 22-11S 21-20S AND 040-06W 039-58W.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 150259Z DEC.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2002-12-14 02:00Z2002-12-15 01:59Z23 h 59

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

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.