Surveys

Survey operations in progress until further notice during daylight hours by M/V volans in area between…

HYDROPAC 1773/00

issued: 2000-12-14 00:34Z
status: cancelled 2001-07-13 10:20Z (archive)
authority: MPA SINGAPORE POR EGC #56 140001Z DEC 00; NAVAREA XI 752/00
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE DURING DAYLIGHT
HOURS BY M/V VOLANS IN AREA BETWEEN 104-04E AND 104-31E.
WIDE BERTH REQUESTED.

Timeline

HYDROPAC messages in force 130900Z jul 2001cancelled by · 2001-07-13

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

73 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.