index

HYDROLANT messages in force 020800Z apr 99

HYDROLANT 638/99

issued: 1999-04-02 09:40Z
status: cancelled 1999-04-09 00:00Z (archive)
cancels: HYDROLANT 2439/98 HYDROLANT 343/99 HYDROLANT 437/99 HYDROLANT 590/99
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROLANT MESSAGES IN FORCE 020800Z APR 99. ONLY THOSE
   MESSAGES ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   1999 SERIES: 360(57), 386(35), 407(53), 417(14,51),
   427(35), 486(37), 499(53), 503(35,37), 534(52), 539(54),
   540(54), 546(24), 547(53), 552(53), 559(53), 567(54),
   571(53), 572(54), 581(53), 595(54), 597(37), 602(54),
   605(24), 606(55), 609(23), 619(24), 620(54), 621(54),
   622(53), 623(GEN), 625(54), 627(53), 630(54), 631(53),
   632(37), 633(57), 634(36), 635(36), 636(38), 637(36).
2. THE SUMMARY OF ALL HYDROLANT MESSAGES IN FORCE AS OF 11 DEC 98
   IS GIVEN IN SEC III OF NM 52/98.
3. CANCEL HYDROLANT 2439/98, 343/99, 437/99, 590/99.

Timeline

South race buoy relocated to 53-07.79N 000-57.45Ereplaced · 1998-12-21
Container adrift in vicinity 44-47N 008-27W at 151610Z febreplaced · 1999-02-15
Seismic survey in progress until further notice by M/V harmattan towing six 3600 meter long cables along…replaced · 1999-03-04
HYDROLANT messages in force 260800Z mar 99replaced · 1999-03-26
HYDROLANT messages in force 090800Z apr 99cancelled by · 1999-04-09

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

9 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.