NAVAREA IV IN FORCE AS OF 241400Z APR.

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The In-Force Navigational Warnings obtained via this
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via alternate NGA subscription services does not relieve
Masters / Captains of the requirement to receive
Navigational Warnings through IMO approved broadcast
services in accordance with the provisions of the
International Convention for the Safety of Life at
Sea (SOLAS). This information is provided as a
supplement to those approved services.

241319Z APR 24

NAVAREA IV 464/24(12, 13).
WESTERN NORTH ATLANTIC.
1. CABLE OPERATIONS BY M/V LAYLA: 
   A. IN PROGRESS UNTIL 301200Z APR IN AREA
      WITHIN FIVE MILES OF TRACKLINE JOINING
      37-26.00N 070-46.00W, 37-23.00N 070-29.00W,
      37-15.00N 070-01.00W, 37-14.00N 069-40.00W,
      37-14.00N 069-14.00W, 37-16.00N 068-50.00W,
      37-17.00N 068-38.00W.
   B. 011200Z THRU 051200Z MAY IN AREA
      WITHIN FIVE MILES OF TRACKLINE JOINING
      40-04.00N 066-49.00W, 40-18.00N 066-05.00W.
      TWO MILE BERTH REQUESTED.
2. CANCEL 
NAVAREA IV 453/24.
3. CANCEL THIS MSG 051300Z MAY 24.

232047Z APR 24

NAVAREA IV 462/24(GEN).
1. MF, HF, AND DSC SERVICES UNRELIABLE 241300Z TO 241800Z APR
   AT USCG REMOTE COMMUNICATION FACILITIES:
   A. BOSTON (F) 41-42.80N 070-30.30W.
   B. CHARLESTON (E) 32-50.70N 079-57.00W.
   C. CHESAPEAKE (N) 36-43.70N 076-00.60W.
   D. MIAMI (A) 25-37.40N 080-23.40W.
   E. NEW ORLEANS (G) 29-53.10N 089-56.70W.
   F. SAN JUAN (R) 18-27.00N 066-06.00W.
2. CANCEL THIS MSG 241900Z APR 24.

232021Z APR 24

NAVAREA IV 461/24(GEN).
1. NORTH AMERICAN ICE SERVICE (NAIS)
   ICEBERG BULLETIN 240001Z APR.
2. ICEBERG LIMIT ALONG TRACKLINE JOINING
   47-29N 052-45W, 48-05N 049-45W,
   51-15N 046-35W, 54-45N 049-40W.
3. ESTIMATED ICEBERG LIMIT ALONG
   TRACKLINE JOINING
   54-45N 049-40W, 57-40N 052-10W,
   58-50N 041-00W, 62-40N 038-40W,
   65-00N 027-30W.
4. WESTERN ICEBERG LIMIT ALONG TRACKLINE
   JOINING
   50-13N 061-30W, 49-05N 058-04W.
5. SEA ICE LIMIT ALONG TRACKLINES
   JOINING:
   A. 50-14N 062-15W, 50-05N 062-12W,
      49-50N 060-34W, 51-14N 057-41W,
      51-17N 057-28W, 51-31N 056-23W,
      51-28N 056-19W.
   B. 49-34N 054-29W, 52-49N 051-30W,
      55-18N 051-50W, 56-41N 057-03W,
      59-03N 058-24W, 62-00N 058-54W,
      62-58N 057-46W.
   C. 62-25N 040-40W, 59-57N 041-14W,
      58-50N 043-02W, 60-16N 049-17W,
      60-53N 050-14W, 61-48N 049-30W.
6. MOST RECENT RECONNAISSANCE:
   SOUTHERN LIMIT ICEBERG FLIGHT 23 APR 24.
7. REPORT POSITION AND TIME OF ANY ICEBERGS
   SEA ICE OR STATIONARY RADAR TARGETS THAT
   MAY LIKELY BE ICE TO THE NEAREST CANADIAN
   COAST GUARD MARINE COMMUNICATIONS AND
   TRAFFIC SERVICE STATION OR
   USING INMARSAT CODE 42.
8. FOR MORE REPORTING INFORMATION OR TO
   DOWNLOAD SHAPEFILES AND WEEKLY PREDICTIONS,
   GO TO WWW.NAVCEN.USCG.GOV/IIP.
9. CANCEL THIS MSG 250001Z APR 24.

232005Z APR 24

NAVAREA IV 460/24(GEN).
ALL SERVICES UNRELIABLE AT USCG REMOTE
COMMUNICATION FACILITIES:
A. BOSTON (F) 41-42.80N 070-30.30W.
B. CHARLESTON (E) 32-50.70N 079-57.00W.
C. CHESAPEAKE (N) 36-43.70N 076-00.60W.
D. MIAMI (A) 25-37.40N 080-23.40W.
E. NEW ORLEANS (G) 29-53.10N 089-56.70W.
F. SAN JUAN (R) 18-27.00N 066-06.00W.

231705Z APR 24

NAVAREA IV 459/24(11).
GULF OF MEXICO.
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS:
   A. 271450Z TO 271520Z APR, ALTERNATE
      280600Z APR TO 051215Z MAY IN AREA WITHIN
      NINE MILES OF 28-51.00N 080-13.80W.
   B. 271445Z TO 271515Z APR, ALTERNATE
      280605Z APR TO 051210Z MAY IN AREA WITHIN
      NINE MILES OF 29-48.00N 080-40.02W.
   C. 271440Z TO 271510Z APR, ALTERNATE
      280610Z APR TO 051205Z MAY IN AREA WITHIN
      NINE MILES OF 30-54.96N 080-15.00W.
   D. 270650Z TO 270720Z APR, ALTERNATE
      271510Z APR TO 041255Z MAY IN AREA WITHIN
      NINE MILES OF 29-42.96N 086-10.80W.
   E. 270655Z TO 270725Z APR, ALTERNATE
      290610Z APR TO 041300Z MAY IN AREA WITHIN
      NINE MILES OF 29-48.00N 087-30.00W.
   F. 271505Z TO 271535Z APR, ALTERNATE
      280620Z APR TO 041250Z MAY IN AREA WITHIN
      NINE MILES OF 29-16.98N 084-12.00W.
   G. 271510Z TO 271540Z APR, ATLERNATE
      280610Z APR TO 050355Z MAY IN AREA WITHIN
      NINE MILES OF 28-06.00N 083-54.00W.
2. CANCEL THIS MSG 051315Z MAY 24.

230922Z APR 24

NAVAREA IV 458/24(11,12).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   280029Z TO 280111Z APR, ALTERNATE 
   290025Z TO 290107Z, 300021Z TO 300103Z APR,
   010017Z TO 010059Z, 020013Z TO 020055Z,
   030009Z TO 030051Z AND 040005Z TO 040047Z MAY
   IN AREAS BOUND BY:
   A. 28-38.28N 080-37.17W, 28-43.00N 080-32.00W,
      28-56.00N 080-19.00W, 28-59.00N 080-14.00W,
      28-55.00N 080-11.00W, 28-50.00N 080-14.00W,
      28-40.00N 080-21.00W, 28-35.00N 080-25.00W,
      28-31.26N 080-33.41W.
   B. 33-11.00N 076-37.00W, 35-47.00N 074-25.00W,
      36-18.00N 073-15.00W, 36-06.00N 072-53.00W,
      34-55.00N 073-04.00W, 32-50.00N 076-08.00W.
2. CANCEL THIS MSG 040147Z MAY 24.

230859Z APR 24

NAVAREA IV 457/24(11,26).
WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   282150Z TO 290221Z APR, ALTERNATE 
   292125Z TO 300156Z, 302059Z APR TO 010130Z MAY, 
   012034Z TO 020105Z, 022009Z TO 030040Z MAY 
   IN AREAS BOUND BY:
   A. 28-39.00N 080-37.69W, 28-39.00N 080-28.00W,
      28-30.00N 080-10.00W, 28-24.00N 080-09.00W,
      28-21.00N 080-11.00W, 28-23.00N 080-19.00W,
      28-29.35N 080-32.49W.
   B. 26-15.00N 076-00.00W, 26-06.00N 074-58.00W,
      25-36.00N 074-03.00W, 25-23.00N 073-53.00W,
      25-09.00N 074-01.00W, 25-06.00N 074-16.00W,
      25-08.00N 074-38.00W, 25-18.00N 075-00.00W,
      25-58.00N 075-59.00W.
2. CANCEL THIS MSG 030140Z MAY 24.

191936Z APR 24

NAVAREA IV 449/24(24).
EASTERN CARIBBEAN SEA.
TRINIDAD AND TOBAGO.
MULTIPLE LIGHTS UNLIT: 
A. CHACACHACARE LIGHT 10-41.9N 061-45.1W.
B. PUNTA DEL ARENAL LIGHT 10-02.9N 061-55.6W.
C. CHUPARA LIGHT 10-48.5N 061-21.7W.
D. CROWN POINT LIGHT 11-09.0N 060-51.0W.
E. MAN OF WAR BAY LIGHT 11-19.4N 060-32.8W.
F. SMITHS ISLAND LIGHT 11-11.0N 060-39.0W.

191606Z APR 24.

NAVAREA IV 447/24(GEN).
1. 
NAVAREA IV WARNINGS IN FORCE AS OF 191601Z APR. 
   ALL THE INFORCE WARNINGS ARE LISTED HERE.
   446/2024, 443/2024, 442/2024, 440/2024, 439/2024,
   437/2024, 436/2024, 434/2024, 429/2024, 428/2024,
   420/2024, 418/2024, 403/2024, 374/2024, 373/2024,
   364/2024, 361/2024, 359/2024, 349/2024, 325/2024,
   320/2024, 318/2024, 316/2024, 313/2024, 312/2024,
   310/2024, 282/2024, 227/2024, 223/2024, 214/2024,
   206/2024, 197/2024, 178/2024, 177/2024, 171/2024,
   161/2024, 151/2024, 127/2024, 107/2024, 101/2024,
   35/2024, 15/2024, 12/2024, 9/2024.
   1477/2023, 1424/2023, 1406/2023, 1404/2023, 1403/2023,
   1377/2023, 1260/2023, 1201/2023, 1100/2023, 1059/2023,
   959/2023, 873/2023, 864/2023, 811/2023, 808/2023,
   792/2023, 721/2023, 637/2023, 635/2023, 616/2023,
   601/2023, 594/2023, 527/2023, 370/2023, 366/2023,
   356/2023, 274/2023, 265/2023, 222/2023, 132/2023,
   66/2023, 57/2023, 56/2023.
   856/2022, 748/2022, 441/2022, 439/2022, 367/2022,
   227/2022, 141/2022, 120/2022.
   1157/2021, 1003/2021, 778/2021, 346/2021, 278/2021,
   277/2021, 144/2021.
2. THE COMPLETE TEXT OF ALL IN-FORCE 
NAVAREA IV
    BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
    MARITIME SAFETY INFORMATION WEBSITE AT:
    MSI.NGA.MIL/NAVWARNINGS.
    ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
    FROM THE 
NAVAREA IV COORDINATOR AT NAVSAFETY@NGA.MIL.
3. CANCEL 
NAVAREA IV 306/21, 407/21, 665/21, 779/21, 977/21,
   1113/21, 1156/21, 316/22, 516/22, 934/22, 1143/22, 1144/22,
   1193/22, 329/23, 1452/23, 369/24, 416/24, 435/24, 445/24.



172155Z APR 24

NAVAREA IV 439/24(24).
WESTERN NORTH ATLANTIC.
TRINIDAD AND TOBAGO.
1. PIPELINE OPERATIONS 20 APR THRU 19 MAY BY M/V COBEIA,
   M/V VOE VANGUARD AND M/V PIONEER P
   ALONG TRACKLINE JOINING
   10-08.66N 060-59.25W, 10-09.21N 060-55.08W,
   10-09.59N 060-51.51W, 10-09.94N 060-48.36W,
   10-10.29N 060-44.85W, 10-10.57N 060-41.53W.
   500 METER BERTH REQUESTED.
2. CANCEL THIS MSG 200001Z MAY 24.

171713Z APR 24

NAVAREA IV 437/24(26).
WESTERN CARIBBEAN SEA.
COLOMBIA.
CAYO RONCADOR LIGHT 13-34.41N 080-05.51W UNLIT.

171546Z APR 24

NAVAREA IV 436/24(GEN).
1. 
NAVAREA IV MOBILE OFFSHORE DRILLING UNITS
   POSITIONS AT 171400Z APR:
   A. (NEW RIG) AGOSTO 12 19-23.0N 092-03.1W.
   B. ARGOS 27-10.4N 090-22.1W.
   C. (NEW RIG) ATLANTIS 19-26.5N 092-01.9W.
   D. BLAKE 1007 27-22.0N 094-28.1W.
   E. BORR HILD 19-02.6N 092-26.6W.
   F. BORR RAN 18-47.5N 092-57.0W.
   G. (NEW RIG) CAMPECHE 18-39.8N 092-51.3W.
   H. (NEW RIG) CHIHUAHUA 19-30.1N 091-59.3W.
   I. (NEW RIG) CME I 18-22.5N 093-49.0W.
   J. (NEW RIG) CME II 18-39.4N 093-20.2W.
   K. (NEW POSITION) COATZACOALCOS
      19-30.4N 092-00.0W.
   L. DEEPWATER ASGARD 27-29.8N 090-33.5W.
   M. DEEPWATER ATLAS 26-54.2N 091-35.6W.
   N. DEEPWATER CONQUEROR 27-09.7N 091-14.9W.
   O. DEEPWATER INVICTUS 28-44.2N 088-20.3W.
   P. DEEPWATER PONTUS 28-01.7N 089-09.7W.
   Q. DEEPWATER POSEIDON 28-36.5N 088-02.4W.
   R. DEEPWATER PROTEUS 28-09.6N 089-07.0W.
   S. DEEPWATER THALASSA 26-12.2N 094-44.6W.
   T. DEEPWATER TITAN 27-09.7N 091-12.0W.
   U. DEVELOPMENT DRILLER III 12-26.5N 070-06.5W.
   V. DISCOVERER INSPIRATION 28-51.1N 090-05.8W.
   W. ENTERPRISE 351 28-15.3N 091-26.0W.
   X. FRIDA I 19-36.1N 092-31.6W.
   Y. GALAR 18-30.5N 093-26.5W.
   Z. GERSEMI 18-29.1N 093-21.6W.
   AA. GRID 18-44.8N 093-07.4W.
   AB. GSP ORIZONT 19-36.0N 090-58.0W.
   AC. H&P RIG 201 28-09.4N 089-13.0W.
   AD. H&P RIG 205 26-06.6N 094-53.1W.
   AE. (NEW POSITION) HELIX Q4000
       27-15.6N 092-48.5W.
   AF. HELIX Q5000 26-06.9N 094-47.4W.
   AG. HOLSTEIN SPAR 27-19.6N 090-31.0W.
   AH. (NEW RIG) INDEPENDENCIA 2
       12-28.2N 070-07.2W.
   AI. (NEW RIG) IOLAIR 19-35.8N 092-13.4W.
   AJ. (NEW RIG) JINDAL PIONEER 18-20.2N 093-52.3W.
   AK. JOE DOUGLAS 09-59.7N 060-18.4W.
   AL. (NEW RIG) LA COVADONGA 18-30.3N 093-15.7W.
   AM. (NEW RIG) LA SANTA MARIA 19-30.5N 092-04.3W.
   AN. LIZA DESTINY 08-00.6N 056-59.5W.
   AO. LIZA UNITY 08-00.5N 056-54.8W.
   AP. MAD DOG 27-11.6N 090-16.5W.
   AQ. NABORS MODS 140 28-12.4N 088-46.4W.
   AR. NABORS MODS 200 28-06.2N 090-12.1W.
   AS. NABORS MODS 400 26-55.7N 090-31.4W.
   AT. (NEW RIG) NEPTUNO 19-34.0N 092-14.0W.
   AU. NFE PIONEER III 22-39.2N 097-40.8W.
   AV. (NEW POSITION) NOBLE BOB DOUGLAS
       07-58.5N 056-41.1W.
   AW. NOBLE DON TAYLOR 08-00.4N 056-43.0W.
   AX. NOBLE GLOBETROTTER I 27-52.0N 092-01.3W.
   AY. NOBLE GLOBETROTTER II 28-09.6N 089-07.1W.
   AZ. NOBLE SAM CROFT 07-59.0N 056-57.0W.
   AAA. NOBLE STANLEY LAFOSSE 27-33.7N 090-06.3W.
   AAB. (NEW POSITION) NOBLE TOM MADDEN
        08-09.7N 056-58.2W.
   AAC. NOBLE VALIANT 26-17.8N 092-39.7W.
   AAD. (NEW POSITION) NOBLE VOYAGER
        07-22.5N 055-32.9W.
   AAE. OCEAN BLACKHAWK 28-57.4N 087-59.6W.
   AAF. OCEAN BLACKHORNET 28-02.0N 088-22.0W.
   AAG. OCEAN BLACKLION 27-08.9N 090-19.4W.
   AAH. ODIN 18-18.3N 094-05.3W.
   AAI. OLYMPUS N88 28-09.6N 089-12.8W.
   AAJ. PAPALOAPAN 19-29.0N 092-01.6W.
   AAK. PROSPERITY 08-11.7N 057-00.1W.
   AAL. RALPH COFFMAN 18-20.4N 093-53.6W.
   AAM. ROWAN EXL II 29-03.3N 091-27.7W.
   AAN. (NEW RIG) SANDUNGA 19-30.9N 091-58.9W.
   AAO. STENA CARRON 07-57.7N 056-41.3W.
   AAP. (NEW POSITION) STENA DRILLMAX
        07-25.7N 057-24.7W.
   AAQ. STENA ICEMAX 28-10.0N 088-28.7W.
   AAR. THUNDERHORSE PDQ 28-10.0N 088-28.7W.
   AAS. TUXPAN 18-45.8N 091-45.7W.
   AAT. (NEW RIG) UXPANAPA 18-51.4N 092-28.1W.
   AAU. VALARIS 249 10-05.3N 060-35.4W.
   AAV. VALARIS DPS-5 29-17.4N 088-00.3W.
   AAW. VALARIS DS-16 28-54.6N 088-05.7W.
   AAX. VALARIS DS-18 28-23.3N 088-14.1W.
   AAY. WELL SERVICES RIG 50 10-40.6N 061-38.7W.
   AAZ. WEST COURAGEOUS 19-35.1N 092-13.7W.
   AAAA. WEST DEFENDER 18-40.4N 092-52.4W.
   AAAB. WEST INTREPID 19-36.5N 092-15.5W.
   AAAC. WEST NEPTUNE 26-12.8N 092-08.1W.
   AAAD. (NEW POSITION) WEST VELA
         28-08.8N 089-51.3W.
   AAAE. WFD 250 28-31.2N 091-31.6W.
   AAAF. WFD 400 28-17.0N 091-40.4W.
2. TO REPORT A MOBILE OFFSHORE DRILLING UNIT AS
   PER IMO RESOLUTION A.1023(26), PARAGRAPH 11.5.1,
   CONTACT NAVSAFETY@NGA.MIL SUBJ: MODU REPORT.
3. CANCEL 
NAVAREA IV 412/24.

151658Z APR 24

NAVAREA IV 429/24(24).
WESTERN NORTH ATLANTIC.
DISTRESS SIGNAL RECEIVED FROM 277 METER M/V GSL ARCADIA
IN 08-30.85N 051-31.24W AT 150839Z APR. VESSELS IN VICINITY
REQUESTED TO KEEP A SHARP LOOKOUT, ASSIST IF POSSIBLE.
REPORTS TO MRCC FORT DE FRANCE, PHONE : 596 596 70 92 92, 

150906Z APR 24

NAVAREA IV 428/24(11).
GULF OF MEXICO.
LOUISIANA.
USCG REMOTE COMMUNICATION FACILITY
NEW ORLEANS (G) 29-53.00N 089-57.00W
MF AND HF DSC AND R/T SERVICES UNRELIABLE.

101458Z APR 24

NAVAREA IV 420/24(13).
WESTERN NORTH ATLANTIC.
1. CABLE OPERATIONS 18 THRU 25 APR
   BY CABLESHIP WAVE SENTINEL
   IN 42-26.23N 067-32.66W.
   ONE MILE BERTH REQUESTED. 
2. CANCEL THIS MSG 260001Z APR 24.
130010Z APR 24

NAVAREA IV 418/24(24).
CARIBBEAN SEA.
COLOMBIA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 21 MAY
   IN AREA BOUND BY
   09-43.00N 076-00.00W, 09-43.00N 075-34.00W,
   09-23.00N 075-34.00W, 09-23.00N 076-00.00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 220001Z MAY 24.

080925Z APR 24

NAVAREA IV 403/24(24).
CARIBBEAN SEA.
BONAIRE.
PARTIALLY SUBMERGED 32 FOOT LONG VESSEL, 
BLUE HULL, IN 12-26.94N 068-09.73W AT 
081024Z APR.

292239Z MAR 24

NAVAREA IV 374/24(24).
WESTERN NORTH ATLANTIC.
TRINIDAD AND TOBAGO.
1. PIPELINE OPERATIONS 01 APR THRU 17 MAY BY
   M/V PIONEER P ALONG TRACKLINE JOINING
   10-08.66N 060-59.25W, 10-09.21N 060-55.08W,
   10-09.59N 060-51.51W, 10-09.94N 060-48.36W,
   10-10.29N 060-44.85W, 10-10.57N 060-41.53W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 180001Z MAY 24.

292141Z MAR 24

NAVAREA IV 373/24(11).
GULF OF MEXICO.
LOUISIANA.
1. SURVEY OPERATIONS 01 APR THRU 15 JUN BY
   M/V SANCO SWORD, M/V OLYMPIC ARTEMIS,
   M/V FULMAR EXPLORER AND M/V MARIANNE G
   IN AREA BOUND BY
   28-22.49N 088-49.36W, 28-23.40N 088-15.28W,
   27-57.32N 088-15.57W, 27-56.93N 088-47.20W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 160001Z JUN 24.

282357Z MAR 24

NAVAREA IV 364/24(24).
WESTERN NORTH ATLANTIC.
SURINAME.
1. SURVEY OPERATIONS 30 MAR THRU 31 MAY BY
   M/V HARVEY HERMES IN AREA BOUND BY
   07-13.32N 055-51.88W, 07-27.46N 055-50.36W,
   07-27.10N 056-03.18W, 07-14.73N 056-00.30W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z JUN 24.

272246Z MAR 24

NAVAREA IV 359/24(24).
WESTERN NORTH ATLANTIC.
GUYANA.
1. PIPELINE OPERATIONS 01 APR THRU 30 SEP BY M/V SEVEN BOREALIS
   ALONG TRACKLINE JOINING
   07-59.27N 057-01.00W, 07-57.54N 057-05.51W,
   07-30.44N 057-20.00W, 07-06.75N 057-54.68W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z OCT 24.

261145Z MAR 24

NAVAREA IV 349/24(12).
WESTERN NORTH ATLANTIC.
MARYLAND.
1. DUE TO MARINE CASUALTY, THE PORT OF BALTIMORE
   39-16.00N 076-35.00W IS CLOSED UNTIL FURTHER NOTICE.
2. CURRENT PORT INFORMATION CAN BE FOUND AT
   HOMEPORT.USCG.MIL USING THE PORT DIRECTORY TAB.

211603Z MAR 24

NAVAREA IV 325/24(24).
WESTERN NORTH ATLANTIC.
GUYANA.
ODAS BUOY ESTABLISHED IN 07-02.67N 057-58.65W.

201417Z MAR 24

NAVAREA IV 320/24(28).
WESTERN CARIBBEAN SEA.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   19-50.00N 086-55.00W, 19-50.00N 087-00.00W,
   19-38.00N 087-00.00W, 19-38.00N 086-55.00W.
2. CANCEL THIS MSG 290001Z APR 24.

201405Z MAR 24

NAVAREA IV 318/24(28).
GULF OF MEXICO.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   21-58.00N 089-45.00W, 22-04.00N 089-51.00W,
   21-58.00N 089-58.00W, 21-51.00N 089-51.00W.
2. CANCEL THIS MSG 290001Z APR 24.

201349Z MAR 24

NAVAREA IV 316/24(28).
BAY OF CAMPECHE.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   20-05.00N 091-00.00W, 20-05.00N 091-05.00W,
   20-00.00N 091-05.00W, 20-00.00N 091-00.00W.
2. CANCEL THIS MSG 290001Z APR 24.

201331Z MAR 24

NAVAREA IV 313/24(28).
BAY OF CAMPECHE.
GULF OF MEXICO.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   21-03.00N 096-24.00W, 21-03.30N 096-35.00W,
   20-53.00N 096-30.00W, 20-53.00N 096-19.00W.
2. CANCEL THIS MSG 290001Z APR 24.

201325Z MAR 24

NAVAREA IV 312/24(28).
GULF OF MEXICO.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   22-05.00N 097-25.00W, 22-05.00N 097-37.00W,
   21-57.00N 097-35.00W, 21-57.00N 097-23.00W.
2. CANCEL THIS MSG 290001Z APR 24.

201234Z MAR 24

NAVAREA IV 310/24(28).
GULF OF MEXICO.
MEXICO.
1. HAZARDOUS OPERATIONS 26 THRU 31 MAR
   AND 23 THRU 28 APR IN AREA BOUND BY
   23-39.00N 097-23.00W, 23-39.00N 097-34.00W,
   23-26.00N 097-34.00W, 23-26.00N 097-23.00W.
2. CANCEL THIS MSG 290001Z APR 24.

140106Z MAR 24

NAVAREA IV 282/24(24).
WESTERN NORTH ATLANTIC.
1. UNDERWATER OPERATIONS 15 MAR THRU 31 DEC BY
   M/V JACK EDWARDS IN AREA BOUND BY
   08-15.96N 057-02.23W, 08-15.96N 056-54.25W,
   07-58.60N 056-54.25W, 07-58.60N 057-02.23W.
2. CANCEL THIS MSG 010001Z JAN 25.

282058Z FEB 24

NAVAREA IV 227/24(24).
WESTERN NORTH ATLANTIC.
1. UNDERWATER OPERATIONS 01 MAR THRU 31 DEC BY 
   M/V BOURBON RUBY IN AREAS BOUND BY:
   A. 08-00.66N 056-44.58W, 08-00.66N 056-40.12W,
      07-54.87N 056-40.12W, 07-54.87N 056-44.58W.
   B. 08-15.96N 057-02.23W, 08-15.96N 056-54.25W,
      07-58.60N 056-54.25W, 07-58.60N 057-02.23W.
   C. 08-06.94N 056-49.93W, 08-06.94N 056-46.61W,
      07-58.94N 056-46.61W, 07-58.94N 056-49.93W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z JAN 25.

272222Z FEB 24

NAVAREA IV 223/24(24).
WESTERN NORTH ATLANTIC.
GUYANA.
1. PIPELINE OPERATIONS IN PROGRESS UNTIL 31 AUG
   BY BARGE TAMUATA AND BARGE STINGRAY
   IN AREA BOUND BY
   07-06.92N 058-05.54W, 07-03.75N 058-01.11W,
   06-48.97N 058-11.77W, 06-49.92N 058-13.10W,
   06-56.12N 058-08.63W, 06-58.13N 058-09.63W,
   07-00.88N 058-09.88W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z SEP 24.

250645Z FEB 24

NAVAREA IV 214/24(24).
CARIBBEAN SEA.
NETHERLANDS ANTILLES.
KLEIN BONAIRE LIGHT 12-09.37N 068-19.61W UNLIT.

240124Z FEB 24

NAVAREA IV 206/24(24).
CARIBBEAN SEA.
NETHERLANDS ANTILLES.
OIL SPILL RESPONSE OPERATIONS IN PROGRESS  
UNTIL FURTHER NOTICE IN VICINITY: 
A. 12-42.15N 068-05.56W.
B. 12-25.00N 067-46.00W.
WIDE BERTH REQUESTED.

211516Z FEB 24

NAVAREA IV 197/24(11).
GULF OF MEXICO.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 APR BY  
   M/V CHLOE CANDIES, M/V SANCO SPIRIT AND M/V 
   ARTEMIS ATHENE IN AREA BOUND BY
   27-33.10N 092-03.90W, 25-56.60N 092-04.60W,
   25-55.70N 090-52.10W, 26-37.80N 090-25.80W,
   27-31.90N 090-24.60W.
   WIDE BERTH REQUESTED.
2. CANCEL 
NAVAREA IV 1429/23, 172/24.
3. CANCEL THIS MSG 010001Z MAY 24.

151335Z FEB 24

NAVAREA IV 178/24(26).
WESTERN CARIBBEAN SEA.
COLOMBIA.
QUITA SUENO BANK LIGHT IN 14-28.90N 081-07.32W
UNLIT.

151300Z FEB 24

NAVAREA IV 177/24(24).
EASTERN CARIBBEAN SEA.
TRINIDAD AND TOBAGO.
SALVAGE AND OIL SPILL RESPONSE OPERATIONS IN PROGESS 
UNTIL FURTHER NOTICE IN VICINITY 11-08.07N 060-46.55W.
WIDE BERTH REQUESTED.

150100Z FEB 24

NAVAREA IV 171/24(24).
WESTERN NORTH ATLANTIC.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 DEC 24 
   BY M/V SIEM DAY IN AREAS BOUND BY:
   A. 08-00.66N 056-44.58W, 08-00.66N 056-40.12W,
      07-54.87N 056-40.12W, 07-54.87N 056-44.58W,
      08-00.66N 056-44.58W.
   B. 08-15.96N 057-02.24W, 08-15.96N 056-54.24W,
      07-58.60N 056-54.24W, 07-58.60N 057-02.24W,
      08-15.96N 057-02.24W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010100Z JAN 25.

131202Z FEB 24

NAVAREA IV 161/24(24).
EASTERN CARIBBEAN SEA.
VENEZUELA.
UNARE LIGHT 10-05.50N 065-10.70W DISCONTINUED.

092139Z FEB 24

NAVAREA IV 151/24(24).
EASTERN CARIBBEAN SEA.
VENEZUELA.
DNC 14.
FARO PUNTA MEJILLONES LIGHT 10-42.20N 062-08.40W
DISCONTINUED.

051802Z FEB 24

NAVAREA IV 127/24(24,25).
CARIBBEAN SEA.
ARUBA.
CABLE OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE 
BY CABLESHIP PANAM ALONG TRACKLINES JOINING:
A. 13-10.34N 069-51.47W, 12-55.78N 069-48.86W,
   12-43.47N 069-46.66W, 12-39.79N 069-46.00W.
B. 13-47.75N 069-55.00W, 13-30.00N 069-55.00W,
   13-22.30N 069-53.62W.
WIDE BERTH REQUESTED.

312201Z JAN 24

NAVAREA IV 107/24(27).
GULF OF MEXICO.
CUBA.
CABO DE SAN ANTONIO LIGHT, FL (2) W 10 SEC 31 METERS
26 MILES ESTABLISHED IN 21-52.00N 084-57.10W.

310059Z JAN 24

NAVAREA IV 101/24(24).
WESTERN NORTH ATLANTIC.
TRINIDAD AND TOBAGO.
TWO METER YELLOW BUOY ESTABLISHED IN 10-30.00N 060-08.00W.
500 METER BERTH REQUESTED.

102139Z JAN 24

NAVAREA IV 35/24(26).
OLD BAHAMA CHANNEL.
CUBA.
CHART 26240, 26260.
CAYO MOA LIGHT, FL W 10 SEC 14 METERS
10 MILES, ESTABLISHED IN 20-41.60N 074-54.40W.

041155Z JAN 24

NAVAREA IV 15/24(26).
WESTERN CARIBBEAN SEA.
PANAMA.
CHART 26060.
BUOY NO1 09-25.09N 079-49.50W DESTROYED. 

031916Z JAN 24

NAVAREA IV 12/24(24).
WESTERN NORTH ATLANTIC.
UNDERWATER OPERATIONS IN PROGRESS UNTIL 
FURTHER NOTICE BY M/V BOURBON CALM
AND M/V BOURBON SAPPHIRE
IN AREAS BOUND BY
A. 08-00.66N 056-44.58W, 08-00.66N 056-40.12W,	
   07-54.87N 056-40.12W, 07-54.87N 056-44.58W.
B. 08-15.96N 057-02.23W, 08-15.96N 056-54.25W,
   07-58.60N 056-54.25W, 07-58.60N 057-02.23W.
C. 08-06.94N 056-49.93W, 08-06.94N 056-46.61W,	
   07-58.94N 056-46.61W, 07-58.94N 056-49.93W.
WIDE BERTH REQUESTED.

031634Z JAN 24

NAVAREA IV 9/24(24).
WESTERN NORTH ATLANTIC.
GUYANA.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 
   31 DEC BY TUG BOURBON LIBERTY 308, 
   TUG BOURBON LIBERTY 243 AND
   TUG BOURBON RHESOS IN AREA BOUND BY
   08-15.96N 056-54.25W, 08-15.96N 057-02.23W,
   07-58.60N 057-02.23W, 07-58.60N 056-54.25W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z JAN 25.

191533Z DEC 23

NAVAREA IV 1477/23(24).
CARIBBEAN SEA.
COLOMBIA.
CHART 24480, 24490.
WINDOW OF DREAMS LIGHT, 
OC W 4 SEC, 65 METERS, 20 MILES,
ESTABLISHED IN 11-00.09N 074-57.17W.

090158Z DEC 23

NAVAREA IV 1424/23(25).
EASTERN CARIBBEAN SEA.
GUADELOUPE.
ILES DE PETITE TERRE LIGHT 16-10.20N 061-06.50W UNLIT.

042028Z DEC 23

NAVAREA IV 1406/23(27).
GULF OF MEXICO.
CUBA.
1. EL PINTO LIGHT, FL W 15 SEC 11 METERS 12 MILES
   ESTABLISHED IN  22-18.30N 084-40.10W.
2. QUEBRADO DE BUENAVISTA LIGHT, FL W 7 SEC
   11 METERS 12 MILES  ESTABLISHED IN
   22-28.50N 084-28.50W.

041253Z DEC 23

NAVAREA IV 1404/23(28).
GULF OF MEXICO.
CAYO ARENA LIGHTHOUSE 22-06.90N 91-23.90W UNLIT.

041246Z DEC 23

NAVAREA IV 1403/23(28).
WESTERN CARIBBEAN SEA.
MEXICO.
XCALAK LIGHTHOUSE 18-16.45N 087-50.10W UNLIT.

282012Z NOV 23

NAVAREA IV 1377/23(25).
CARIBBEAN SEA.
DOMINICAN REPUBLIC.
CABO ENGANO LIGHTHOUSE 18-36.80N 068-19.50W UNLIT.

310022Z OCT 23

NAVAREA IV 1260/23(24).
WESTERN NORTH ATLANTIC.
FRENCH GUIANA.
ILE ROYALE LIGHT 05-17.22N 052-35.52W UNLIT.

172224Z OCT 23

NAVAREA IV 1201/23(15).
HUDSON STRAIT.
CANADA.
BEACON ISLAND RACON AT 58-54.13N 066-20.51W INOPERATIVE.

221324Z SEP 23

NAVAREA IV 1100/23(24,25).
EASTERN CARIBBEAN SEA.
VENEZUELA.
HAZARDOUS OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE IN AREA BOUND BY
13-05.00N 066-43.00W, 10-59.10N 066-43.00W,
10-59.10N 064-14.00W, 13-05.00N 064-14.00W.

132049Z SEP 23

NAVAREA IV 1059/23(27).
OLD BAHAMA CHANNEL.
WESTERN NORTH ATLANTIC.
CUBA.
CAYO FRAGOSO LIGHT 22-48.40N 079-34.70W UNRELIABLE.

242357Z AUG 23

NAVAREA IV 959/23(24).
WESTERN NORTH ATLANTIC.
VENEZUELA.
CHART 24390.
COROCORO ISLAND LIGHTHOUSE, FL 10 SEC 30 METERS
35 MILES, ESTABLISHED IN 08-33.40N 059-59.75W.

041807Z AUG 23

NAVAREA IV 873/23(28).
GULF OF HONDURAS.
HONDURAS.
1. PUERTO CORTES ENTRANCE BUOY 15-51.90N 087-57.90W
   TEMPORARILY REMOVED.
2. CANCEL 
NAVAREA IV 341/21.

021718Z AUG 23

NAVAREA IV 864/23(11).
GULF OF MEXICO.
TEXAS.
1. SURVEY OPERATIONS 03 AUG THRU 30 JUN 24
   BY M/V FUGRO ENTERPRISE AND M/V FUGRO BRASILIS
   TOWING 130 METER LONG CABLES IN AREA BOUND BY
   29-26.86N 094-37.80W, 29-16.75N 094-32.09W,
   29-30.42N 093-55.00W, 29-40.65N 094-01.15W.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z JUL 24.

191818Z JUL 23

NAVAREA IV 811/23(28).
GULF OF HONDURAS.
GUATEMALA.
ODAS BUOY ESTABLISHED IN 15-42.30N 088-36.80W.

182120Z JUL 23

NAVAREA IV 808/23(15).
HUDSON BAY.
CANADA.
12.2 METER SHOAL REPORTED IN 63-43.43N 091-50.29W.

140913Z JUL 23

NAVAREA IV 792/23(15).
HUDSON STRAIT.
CANADA.
RACON AT NIPPER ISLAND 59-00.40N 068-53.30W 
INOPERATIVE.

271227Z JUN 23

NAVAREA IV 721/23(24,25).
CARIBBEAN SEA.
CURACAO.
1. NAVTEX STATION CURACAO (H)
   12-10.31N 068-51.82W OFF AIR.
2. CANCEL 
NAVAREA IV 1284/22.

091740Z JUN 23

NAVAREA IV 637/23(25).
EASTERN CARIBBEAN SEA.
NETHERLANDS ANTILLES.
GREEN BUOY 17-28.68N 062-59.32W REMOVED.

091451Z JUN 23

NAVAREA IV 635/23(25).
EASTERN CARIBBEAN SEA.
NETHERLANDS ANTILLES.
CHART 25600, 25550.
LIGHT, FL R, TEMPORARILY ESTABLISHED IN 17-28.67N 062-59.29W.

041721Z JUN 23

NAVAREA IV 616/23(28).
WESTERN CARIBBEAN SEA.
BELIZE.
CHART 26167.
SANDBORE CAY LIGHT 17-28.20N 087-29.50W UNLIT.

312224Z MAY 23

NAVAREA IV 601/23(28).
GULF OF MEXICO.
MEXICO.
SAFE WATER BUOY RELOCATED TO 22-16.65N 097-44.48W.

310349Z MAY 23

NAVAREA IV 594/23(25).
EASTERN CARIBBEAN SEA.
MARTINIQUE.
ILET CABRITS LIGHT 14-23.52N 060-52.07W 
OFF STATION.

151734Z MAY 23

NAVAREA IV 527/23(24).
CARIBBEAN SEA.
VENEZUELA.
CHART 24450.
DANGEROUS WRECK IN 10-30.35N 067-58.78W.

010011Z APR 23

NAVAREA IV 370/23(24).
CARIBBEAN SEA.
VENEZUELA.
5.5 METER SHOAL IN 10-38.04N 071-36.00W.

301601Z MAR 23

NAVAREA IV 366/23(26).
WESTERN CARIBBEAN SEA.
PANAMA.
UNCHARTED REEF REPORTED IN 09-34.61N 078-42.54W.

271909Z MAR 23

NAVAREA IV 356/23(28).
WESTERN CARIBBEAN SEA.
MEXICO.
CHART 28190.
TULUM LIGHT 20-12.68N 087-25.80W UNLIT.

120542Z MAR 23

NAVAREA IV 274/23(25).
ANGUILLA.
CHART 25600
VESSEL AGROUND. NAVIGATION PROHIBITED
IN AREA BOUND BY
18-10.07N 063-09.81W, 18-10.07N 063-09.98W,
18-10.23N 063-09.98W, 18-10.23N 063-09.79W.
WIDE BERTH REQUESTED.

101502Z MAR 23

NAVAREA IV 265/23(25).
EASTERN CARIBBEAN SEA.
GUADELOUPE.
CHART 25563.
1. ILET A GOZIER LIGHT 16-11.90N 061-29.45W
   UNLIT.
2. CANCEL 
NAVAREA IV 1218/22.

011527Z MAR 23

NAVAREA IV 222/23(25).
ANGUILLA.
ANCHORING PROHIBITED UNTIL FURTHER NOTICE
IN AREA BOUND BY
18-13.60N 063-04.15W, 18-13.60N 063-04.70W,
18-13.20N 063-04.70W, 18-13.20N 063-04.50W.
WIDE BERTH REQUESTED.

022023Z FEB 23

NAVAREA IV 132/23(27).
GULF OF MEXICO.
CUBA.
CHART 27100
1. LA TABLA LIGHT 22-18.20N 084-39.90W
   CHANGED TO FL W 5 SEC 11 METERS 12 MILES.
2. ZORRITA LIGHT 22-22.30N 084-34.90W
   CHANGED TO FL W 7 SEC 11 METERS 12 MILES.
3. CANCEL 
NAVAREA IV 54/23.

161218Z JAN 23

NAVAREA IV 66/23(24).
EASTERN CARIBBEAN SEA.
TRINIDAD AND TOBAGO.
CROWN POINT LIGHT 11-08.90N 060-50.70W UNLIT. 

132239Z JAN 23

NAVAREA IV 57/23(24).
EASTERN CARIBBEAN SEA.
TRINIDAD AND TOBAGO.
CHART 24404.
PUNTA DEL ARENAL LIGHT 10-02.90N 061-55.60W UNLIT.

132228Z JAN 23

NAVAREA IV 56/23(24).
EASTERN CARIBBEAN SEA.
TRINIDAD AND TOBAGO.
CHART 24404.
CHUPARA POINT LIGHT 10-48.50N 061-21.70W UNLIT.

261417Z AUG 22

NAVAREA IV 856/22(24).
CARIBBEAN SEA.
VENEZUELA.
1. JRCC CURACAO 12-10.00N 068-52.00W MF DSC SERVICES
   UNRELIABLE.
2. CANCEL 
NAVAREA IV 855/22.

011047Z AUG 22

NAVAREA IV 748/22(24).
CARIBBEAN SEA.
NETHERLANDS ANTILLES.
KLEIN CURACAO LIGHT 11-59.4N 068-38.6W UNLIT.

070354Z MAY 22

NAVAREA IV 441/22(26).
CARIBBEAN SEA.
JAMAICA.
CHART 26220.
PORTLAND RIDGE LIGHT 17-44.50N 077-09.50W UNLIT.

070313Z MAY 22

NAVAREA IV 439/22(28).
YUCATAN CHANNEL.
MEXICO.
CHART 28210.
ISLA CONTOY LIGHT 21-31.60N 086-48.30W UNLIT.

MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 367/22(28).
WESTERN CARIBBEAN SEA.
MEXICO.
CHART 28190.
PUNTA ALLEN LIGHT 19-47.1N 087-27.8W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 227/22(25).
WESTERN NORTH ATLANTIC.
DOMINICAN REPUBLIC.
CHART 25720.
PUERTO PLATA LIGHT 19-48.2N 070-41.7W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 141/22(28).
GULF OF HONDURAS.
BELIZE.
CHART 28162.
1. HUNTING CAY, ZAPODILLA CAYS LIGHT
   16-06.5N 088-16.0W UNLIT.
2. CANCEL 
NAVAREA IV 138/22.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 120/22(25).
CARIBBEAN SEA.
DOMINICAN REPUBLIC.
CHART 25800.
PUNTA LAGUNA LIGHT 18-08.3N 068-45.3W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 1157/21(26).
WESTERN NORTH ATLANTIC. 
HAITI. 
CHART 26141.
ILE DE LA TORTUE W. POINT LIGHT 
20-03-44N 072-58-02W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 1003/21(28).
GULF OF HONDURAS. 
HONDURAS.
CHART 28171. 
PUNTA SAL LIGHT 15-55.5N 087-36.2W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 778/21(28).
BAY OF CAMPECHE.
MEXICO.
CHART 28320.
LA BARRA LIGHT 20-58.4N 097-18.5W UNRELIABLE.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 346/21(28).
BAY OF CAMPECHE.
MEXICO.
CHART 28310.
PUNTA ZAPOTITLAN LIGHT 18-31.5N 094-48.1W
UNRELIABLE.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 278/21(28).
BAY OF CAMPECHE.
MEXICO.
CHART 28310.
ROCA PARTIDA LIGHT 18-42-17N 095-11-18W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 277/21(28).
BAY OF CAMPECHE.
MEXICO.
CHART 28310.
TONALA LIGHT 18-12-45N 094-08-00W UNLIT.
MSGID/GENADMIN/NGA NAVSAFETY WASHINGTON DC//
RMKS/

NAVAREA IV 144/21(28).
WESTERN CARIBBEAN SEA.
MEXICO.
CHART 28004.
PUERTO MORELOS LIGHT 20-50.2N 086-55.0W UNRELIABLE.