Surveys

Submarine research operations in progress during daylight hours until 03 nov by M/V shinkai 6500 and M/V…

HYDROPAC 1840/03

issued: 2003-10-23 13:27Z
status: cancelled 2003-11-04 00:00Z (archive)
cancels: HYDROPAC 1839/03
authority: NAVAREA XI 528/03 23 OCT 03; AUSSAR 231226Z OCT 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SUBMARINE RESEARCH OPERATIONS IN PROGRESS
   DURING DAYLIGHT HOURS UNTIL 03 NOV BY
   M/V SHINKAI 6500 AND M/V YOKOSUKA IN AREA
   BETWEEN 12-30N 15-00N AND 142-50E 145-00E.
2. CANCEL HYDROPAC 1839/03(74), VESSEL ASSISTED.
3. CANCEL THIS MSG 04 NOV.

Timeline

Distress signal received on 121.5 mhz vicinity 15-24S 145-33E at 230933Z octcancels · 2003-10-23
Distress signal received on 121.5 mhz vicinity 15-24S 145-33E at 230933Z octreplaced · 2003-10-23

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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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.