Surveys

Survey operations 05 thru 11 jul by M/V littlehales in area between 23-41N 24-07N and 035-29E 035-57E

HYDROPAC 579/99

issued: 1999-07-01 04:05Z
status: cancelled 1999-07-12 06:00Z (archive)
cancels: HYDROPAC 577/99
authority: 1. NAVOCEANO DET 125 SURVOP 5209/99 301240Z JUN 99 2. GUAMSARCOORD 302041Z JUN 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 05 THRU 11 JUL
   BY M/V LITTLEHALES IN AREA BETWEEN
   23-41N 24-07N AND 035-29E 035-57E.
2. CANCEL HYDROPAC 577/99(81).
3. CANCEL THIS MSG 12 JUL.

Timeline

Distress signal received on 406 mhz vicinity 07-51.3N 130-29.5E at 301329Z junreplaced · 1999-06-30

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.