Surveys

Survey operations 21 thru 27 jun by M/V littlehales in area between 23-41N 24-07N and 035-29E 035-57E

HYDROPAC 541/99

issued: 1999-06-17 09:05Z
status: cancelled 1999-06-28 06:00Z (archive)
cancels: HYDROPAC 536/99
authority: 1. NAVOCEANO DET 125 170532Z JUN 99 2. MHQAUST 170740Z JUN 99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS 21 THRU 27 JUN
   BY M/V LITTLEHALES IN AREA BETWEEN
   23-41N 24-07N AND 035-29E 035-57E.
2. CANCEL HYDROPAC 536/99(74), AID RESTORED.
3. CANCEL THIS MSG 28 JUN.

Timeline

North island light 28-17.6S 113-35.6E unreliablereplaced · 1999-06-17

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.