Surveys

Underwater operations in progress until 121800Z oct in area between 43-00N 42-42N and 005-00E 005-30E

HYDROLANT 2169/99

issued: 1999-10-11 08:30Z
status: cancelled 1999-10-12 19:00Z (archive)
self-cancels: 1999-10-12 19:00Z
authority: NAVAREA III 439/99 110713Z OCT 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 121800Z OCT
   IN AREA BETWEEN 43-00N 42-42N AND 005-00E 005-30E.
2. CANCEL THIS MSG 121900Z OCT.

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.