index

HYDROPAC messages in force 300900Z apr 99

HYDROPAC 359/99

issued: 1999-04-30 09:30Z
status: cancelled 1999-05-07 00:00Z (archive)
cancels: HYDROPAC 244/99 HYDROPAC 272/99 HYDROPAC 300/99 HYDROPAC 325/99 HYDROPAC 335/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROPAC MESSAGES IN FORCE 300900Z APR 99. ONLY THOSE
   MESSAGES ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   1999 SERIES: 227(74), 239(71), 275(62), 285(74),
   286(81,97), 287(74), 290(22), 296(74), 299(22), 306(74),
   316(76), 319(GEN), 324(62), 327(94), 328(22), 332(93),
   334(74), 341(GEN), 350(74), 353(91,93,94), 354(93),
   356(GEN), 357(81), 358(81).
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 244/99, 272/99, 300/99, 325/99, 335/99.

Timeline

Seismic survey in progress until further notice by M/V acadian searcher towing 3.2 mile long cable in area…replaced · 1999-03-29
Partially submerged F/V in 12-50S 123-30E at 070415Z apr marked by buoy, fl w 2 secreplaced · 1999-04-07
F/V kosin maru adrift due to engine problems vicinity 27-01N 143-09E at 142000Z aprreplaced · 1999-04-15
HYDROPAC messages in force 221200Z apr 99replaced · 1999-04-22
Flagstaff point light 34-25.4S 150-54.5E unreliablereplaced · 1999-04-23
HYDROPAC messages in force 070800Z may 99cancelled by · 1999-05-07

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.