index

HYDROPAC messages in force 160800Z apr 99

HYDROPAC 310/99

issued: 1999-04-16 08:50Z
status: cancelled 1999-04-22 00:00Z (archive)
cancels: HYDROPAC 262/99 HYDROPAC 278/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROPAC MESSAGES IN FORCE 160800Z APR 99. ONLY THOSE
   MESSAGES ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   1999 SERIES: 176(81), 227(74), 239(71), 244(74), 246(91,93,94),
   265(91,94,97), 272(74), 275(62), 285(74), 286(81,97),
   287(74), 290(22), 291(GEN), 292(62), 296(74), 299(22),
   300(97), 301(62), 302(74), 304(81), 305(81), 306(74),
   307(81), 309(91,93,94).
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 262/99, 278/99.

Timeline

Cable buoy, yellow, qw with ra ref established in 14-53.4N 118-29.3Ereplaced · 1999-04-04
HYDROPAC messages in force 090800Z apr 99replaced · 1999-04-09
HYDROPAC messages in force 221200Z apr 99cancelled by · 1999-04-22

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.