Surveys

Underwater operations 07 thru 20 oct in areas between: a. 17-30S 19-10S and 172-00W 174-30W

South Pacific · Tonga Islands · HYDROPAC 3018/13

issued: 2013-10-02 07:32Z
status: cancelled 2013-10-21 00:01Z (archive)
authority: NAVAREA XIV 85/13 020420Z OCT 13.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SOUTH PACIFIC.
TONGA ISLANDS.
1. UNDERWATER OPERATIONS 07 THRU 20 OCT
   IN AREAS BETWEEN:
   A. 17-30S 19-10S AND 172-00W 174-30W.
   B. 19-00S 21-30S AND 172-30W 175-00W.
   C. 21-00S 25-00S AND 173-00W 177-00W.
2. CANCEL THIS MSG 21 OCT 13.

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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.