index

HYDROLANT warnings in force 210900Z apr 12

HYDROLANT 871/12

issued: 2012-04-21 09:58Z
status: cancelled 2012-04-28 08:58Z (archive)
cancels: HYDROLANT 492/12 HYDROLANT 507/12 HYDROLANT 799/12 HYDROLANT 826/12 HYDROLANT 829/12 HYDROLANT 853/12 HYDROLANT 856/12 HYDROLANT 857/12
authority: SHGA 21 APR 12; NAVAREA V S 524/12 210224Z APR 12 - NAVAREA V E 518/12 210421Z APR 12 - NAVAREA V E 525/12 210421Z APR 12.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROLANT WARNINGS IN FORCE 210900Z APR 12. ONLY THOSE
   WARNINGS ISSUED DURING THE LAST SIX WEEKS ARE LISTED HEREIN.
   2012 SERIES: 556(24), 567(37), 572(37), 577(37,43), 580(51),
   593(24), 635(11), 638(57), 641(35,43), 645(52), 649(11,28),
   666(37), 668(35,37,43), 683(37,43), 686(35,43), 711(GEN),
   732(51), 735(51), 746(37), 747(GEN), 751(37), 761(24),
   767(37), 781(35,38), 786(25), 789(37), 793(55), 805(GEN),
   809(35,37), 820(57), 827(24), 835(24), 839(35), 842(55),
   845(57), 847(24), 848(12), 849(57), 850(24), 851(24),
   852(37,43), 854(55), 855(24), 858(24), 860(26), 861(53),
   863(44), 864(36), 865(55), 866(52,53), 867(43), 868(24),
   869(24), 870(24).
2. THE SUMMARY OF ALL HYDROLANT WARNINGS IN FORCE AS OF
   22 DEC 2011 IS GIVEN IN SEC III OF NM 53/11. WARNINGS
   ISSUED DURING THE SUBSEQUENT QUARTERS ARE SUMMARIZED
   IN NM 13/12.
3. CANCEL HYDROLANT 492/12, 507/12, 799/12,
   826/12, 829/12, 853/12, 856/12, 857/12.

Timeline

35 foot S/V seth wyatt, white hull, two persons on board, overdue key west (24-33N 081-47W) to cayman…cancels · 2012-03-04
Algeriacancels · 2012-03-06
Distress signal received on 406 mhz in 20-09.7N 069-02.6Wcancels · 2012-04-11
Cancel HYDROLANT 716/12cancels · 2012-04-14
HYDROLANT warnings in force 140900Z apr 12cancels · 2012-04-14
Dredging operations in progress until further notice by M/V lange wapper, M/V M.P.R.1 and M/V musa in area…cancels · 2012-04-18
Brazil-southeast Coastcancels · 2012-04-19
Brazil-east Coastcancels · 2012-04-19
35 foot S/V seth wyatt, white hull, two persons on board, overdue key west (24-33N 081-47W) to cayman…replaced · 2012-03-04
Algeriareplaced · 2012-03-06
Distress signal received on 406 mhz in 20-09.7N 069-02.6Wreplaced · 2012-04-11
Cancel HYDROLANT 716/12replaced · 2012-04-14
HYDROLANT warnings in force 140900Z apr 12replaced · 2012-04-14
Dredging operations in progress until further notice by M/V lange wapper, M/V M.P.R.1 and M/V musa in area…replaced · 2012-04-18
Brazil-southeast Coastreplaced · 2012-04-19
Brazil-east Coastreplaced · 2012-04-19
HYDROLANT warnings in force 280900Z apr 12cancelled by · 2012-04-28

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.