index

HYDROPAC messages in force 221200Z apr 99

HYDROPAC 325/99

issued: 1999-04-22 19:21Z
status: cancelled 1999-04-30 00:00Z (archive)
cancels: HYDROPAC 176/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROPAC MESSAGES IN FORCE 221200Z APR 99. ONLY THOSE
   MESSAGES ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   1999 SERIES: 227(74), 239(71), 244(74), 246(91,93,94), 272(74),
   275(62), 285(74), 286(81,97), 287(74), 290(22), 292(62),
   296(74), 299(22), 300(97), 301(62), 306(74), 309(91,93,94),
   316(76), 317(71,93), 318(74), 319(GEN), 320(GEN), 322(22).
2. THE SUMMARY OF ALL HYDROPAC MESSAGES IN FORCE AS OF 11 DEC 98
   IS GIVEN IN SEC III OF NM 52/98.
3. CANCEL HYDROPAC 176/99(GEN), 310/99(GEN), 321/99(74).

Timeline

M/V halo cygnus, 22 persons on board, taking on water after a collision in vicinity 05-40.2N 140-41.2Ereplaced · 1999-03-07
HYDROPAC messages in force 160800Z apr 99replaced · 1999-04-16
Horn island dgps beacon 10-35.5S 142-16.5E inoperativereplaced · 1999-04-21
HYDROPAC messages in force 300900Z apr 99cancelled by · 1999-04-30

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.