Surveys

Underwater operations in progress until further notice in area between 24-56.6N 24-46.6N and 120-26.3E…

HYDROPAC 2078/01

issued: 2001-12-21 15:55Z
status: cancelled 2002-09-21 11:20Z (archive)
authority: NAVAREA XI 863/01 211200Z DEC
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE IN AREA BETWEEN 24-56.6N 24-46.6N AND
120-26.3E 120-37.2E.

Timeline

HYDROPAC messages in force 211000Z sep 2002cancelled by · 2002-09-21

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

75 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.