index

HYDROPAC messages in force 200800Z aug 1999

HYDROPAC 823/99

issued: 1999-08-20 09:30Z
status: cancelled 1999-08-27 09:20Z (archive)
cancels: HYDROPAC 964/98 HYDROPAC 275/99 HYDROPAC 618/99 HYDROPAC 622/99 HYDROPAC 662/99 HYDROPAC 789/99
authority: GIMM; MHQAUST 191853Z AUG 99; NAVAREA VIII 348/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROPAC MESSAGES IN FORCE 200800Z AUG 1999. ONLY THOSE
   MESSAGES ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   1999 SERIES: 628(22), 637(93), 650(62), 652(71), 655(22,83),
   663(63), 664(63), 673(71,93), 675(61), 684(61), 685(94),
   686(94), 687(95), 688(62), 694(93), 701(74), 712(73),
   715(62), 726(74), 730(93), 739(83), 743(96), 746(96),
   747(96), 750(96,97), 752(76), 754(22), 755(22), 757(74), 761(62),
   762(71,74), 773(95), 774(71,93), 775(GEN), 777(81,97),
   778(72), 784(74), 785(62), 788(76), 792(62), 796(81),
   799(74), 801(97), 802(81), 803(94), 804(83), 805(71), 806(76),
   808(62), 809(62), 810(62), 812(72), 814(GEN), 815(93),
   820(94,95), 821(74), 822(97).
2. THE SUMMARY OF ALL HYDROPAC MESSAGES IN FORCE AS OF 11 DEC 1998
   IS GIVEN IN SEC III OF NM 52/98. WARNINGS ISSUED DURING THE
   SUBSEQUENT QUARTERS ARE SUMMARIZED IN NM 26/99.
3. CANCEL HYDROPAC 964/98, 275/99, 618/99, 622/99, 662/99, 789/99.

Timeline

Submerged obstruction in vicinity 09-50.8N 107-57.8Ereplaced · 1998-12-12
Wreck, least depth 42 meters, in 28-35.62N 050-05.97Ereplaced · 1999-04-08
Distress signal received on 406 mhz vicinity 01-49.4S 128-50.6W at 081746Z julreplaced · 1999-07-08
Persons overboard from vessel in 13-23S 067-05E at 090611Z julreplaced · 1999-07-09
Survey operations in progress until further notice by M/V geco sapphire towing four cables in area between…replaced · 1999-07-21
HYDROPAC messages in force 130800Z aug 1999replaced · 1999-08-13
HYDROPAC messages in force 270800Z aug 1999cancelled by · 1999-08-27

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 index warnings in force

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.