NAVAREA IV - 1011/26

SÉCURITÉArchived

Issued: 20 Oct 2026, 18:27Archived: 22 Oct 2026, 17:20Last modified: 29 Oct 2026, 19:20

analysis

No longer in force

USCG MF/HF/DSC services unreliable at multiple North Atlantic remote stations on 22 Oct

USCG remote MF, HF and DSC communications will be unreliable at listed remote facilities in the North Atlantic. Affected facilities: Boston, Chesapeake, Charleston, Miami, New Orleans and San Juan (positions given). The unreliability is scheduled 22 Oct 1330-1600 UTC; the message cancels NAVAREA IV 190/25 and will be cancelled at 22 Oct 1700 UTC.

Expect degraded MF/HF/DSC communications at listed stations; use alternative communications and maintain bridge/watch procedures.

Type: Other · severity low
Location: North Atlantic (USCG remote communication facilities: Boston, Chesapeake, Charleston, Miami, New Orleans, San Juan)
Validity: From 22 Oct 2026, 13:30 UTC
Until 22 Oct 2026, 17:00 UTC221330Z TO 221600Z OCT ... CANCEL THIS MSG 221700Z OCT 26.
Activity periods: 22 Oct 2026, 13:30 UTC - 22 Oct 2026, 16:00 UTC (MF, HF and DSC services unreliable at listed USCG remote communication facilities)
Hazards: MF, HF and DSC communications unreliable
Cancels: NAVAREA IV 190/25

Coast stations for this area

RCCRCC BostonUnited States45 NM from the area
RCCJRCC QuebecCanada307 NM from the area
RCCJRCC TrentonCanada340 NM from the area
DSCDSC Station BostonRCC BostonUnited StatesMMSI 003669991HF1 NM from the area
DSCDSC Station YarmouthJRCC HalifaxCanadaMMSI 003160015VHF 40range 40 NM229 NM from the area
DSCDSC Station Grand MananJRCC HalifaxCanadaMMSI 003160015VHF 40range 40 NM235 NM from the area
DSCDSC Station TivertonJRCC HalifaxCanadaMMSI 003160015VHF 40range 40 NM248 NM from the area
DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM248 NM from the area

Generated automatically from the warning text on 20 Oct 2026, 19:27 UTC. It can be wrong: the original warning below is the authoritative text.

Keywords

Malfunctioning AidsUNRELIABLE, UNRELIABLE

Message content

NORTH ATLANTIC. 1. MF, HF AND DSC SERVICES UNRELIABLE 221330Z TO 221600Z OCT AT USCG REMOTE COMMUNICATION FACILITIES: A. BOSTON 41-43.00N 070-31.00W. B. CHESAPEAKE 36-44.00N 076-01.00W. C. CHARLESTON 32-08.00N 081-42.00W. D. MIAMI 25-30.00N 080-23.00W. E. NEW ORLEANS 29-53.00N 089-57.00W. F. SAN JUAN 18-27.00N 066-06.00W. 2. CANCEL NAVAREA IV 190/25. 3. CANCEL THIS MSG 221700Z OCT 26.

Location map

Open in the full map

Related messages

1043/26
1. NAVAREA IV MOBILE OFFSHORE DRILLING UNITS POSITIONS AT 291500Z OCT: A. AGOSTO 12 19-23.0N 092-03.1W. B. ARGOS PLATFORM 27-10.4N 090-22.0W. C. ATLANTIS 19-23.9N 092-02.3W. D. AUGER TLP 27-32.7N 092-26.6W. E. BLUE EAGLE 18-31.8N 093-20.3W. F. BORR RAN 18-20.4N 093-53.6W. G. BORR SIF 07-08.3N 055-41.1W. H. BP ATLANTIS PLATFORM 27-11.7N 090-01.6W. I. CAMPECHE 19-33.7N 092-11.0W. J. CENTENARIO GR 21-07.7N 097-08.1W. K. CHIHUAHUA 19-17.7N 091-57.5W. L. CME I 1
1042/26
CARIBBEAN SEA. HONDURAS. 1. LIGHTS UNLIT: A. PUNTA IZOPO 15-50.90N 087-22.50W. B. PUMPKIN HILL 16-07.30N 086-52.90W. C. COCHINO GRANDE 15-58.60N 086-28.60W. D. CABO CAMARON 15-59.20N 085-01.70W. E. PUNTA PATUCA 15-48.90N 084-18.20W. F. CABO FALSO 15-15.20N 083-23.70W. G. PUNTA CAXINAS 16-01.50N 086-00.60W. 2. CANCEL NAVAREA IV 1018/26.
1041/26
1. NORTH AMERICAN ICE SERVICE (NAIS) ICEBERG BULLETIN 290001Z OCT. 2. ICEBERG LIMIT ALONG TRACKLINE JOINING 50-30N 056-30W, 50-30N 054-25W, 51-45N 052-15W, 54-45N 052-00W, 60-00N 058-00W. 3. ESTIMATED ICEBERG LIMIT ALONG TRACKLINE JOINING 60-00N 058-00W, 61-25N 054-45W, 58-55N 045-15W, 59-25N 041-35W, 64-25N 036-20W, 65-00N 028-00W. 4. WESTERN ICEBERG LIMIT ALONG TRACKLINE JOINING 51-28N 057-50W, 50-47N 057-03W. 5. SEA ICE LIMIT ALONG TRACKLINES JOINING: A. 59
1043/26(GEN)(archived)
1. NAVAREA IV MOBILE OFFSHORE DRILLING UNITS POSITIONS AT 291500Z OCT: A. AGOSTO 12 19-23.0N 092-03.1W. B. ARGOS PLATFORM 27-10.4N 090-22.0W. C. ATLANTIS 19-23.9N 092-02.3W. D. AUGER TLP 27-32.7N 092-26.6W. E. BLUE EAGLE 18-31.8N 093-20.3W. F. BORR RAN 18-20.4N 093-53.6W. G. BORR SIF 07-08.3N 055-41.1W. H. BP ATLANTIS PLATFORM 27-11.7N 090-01.6W. I. CAMPECHE 19-33.7N 092-11.0W. J. CENTENARIO GR 21-07.7N 097-08.1W. K. CHIHUAHUA 19-17.7N 091-57.5W. L. CME I 1
1019/26(archived)
1. NAVAREA IV MOBILE OFFSHORE DRILLING UNITS POSITIONS AT 211620Z OCT: A. AGOSTO 12 19-23.0N 092-03.1W. B. ARGOS PLATFORM 27-10.4N 090-22.0W. C. ATLANTIS 19-23.9N 092-02.3W. D. AUGER TLP 27-32.7N 092-26.6W. E. BLUE EAGLE 18-31.8N 093-20.3W. F. BORR RAN 18-20.4N 093-53.6W. G. BORR SIF 07-08.3N 055-41.1W. H. BP ATLANTIS PLATFORM 27-11.7N 090-01.6W. I. CAMPECHE 19-33.7N 092-11.0W. J. CENTENARIO GR 21-07.7N 097-08.1W. K. CHIHUAHUA 19-17.7N 091-57.5W. L. CME I 1