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US - HYDROARC
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240/26
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16/09/2026, 18:57
BARENTS SEA.
RUSSIA.
1. MISSILE OPERATIONS 2100Z TO 1800Z DAILY
21 THRU 24 SEP IN AREA BOUND BY
72-52.25N 034-14.50E, 72-27.17N 037-59.50E,
70-49.00N 036-34.00E
, 69-42.50N 033-08.50E,
69-47.00N 032-36.50E,
71-02.00N 032-21.25E
.
2. CANCEL THIS MSG 251900Z SEP 26.
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239/26
PAN PAN
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16/09/2026, 12:21
KARA SEA.
RUSSIA.
DANGEROUS WRECK IN
70-58.65N 073-52.21E
.
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238/26
SÉCURITÉ
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16/09/2026, 07:41
BEAUFORT SEA.
CANADA.
1. LIGHT AT SHINGLE POINT
69-00.00N 137-34.00W
INOPERATIVE.
2. CANCEL HYDROARC 198/22.
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237/26
SÉCURITÉ
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16/09/2026, 07:33
BEAUFORT SEA.
CANADA.
1. LIGHT AT PITT ISLAND
69-09.00N 136-11.00W
INOPERATIVE.
2. CANCEL HYDROARC 145/25.
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236/26
SÉCURITÉ
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16/09/2026, 07:25
BEAUFORT SEA.
CANADA.
1. RACON AND LIGHT AT PELLY ISLAND
69-37.00N 135-29.00W
INOPERATIVE.
2. CANCEL HYDROARC 227/26.
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233/26
PAN PAN
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10/09/2026, 00:23
BARENTS SEA.
RUSSIA.
1. HAZARDOUS OPERATIONS 190600Z TO 191700Z SEP
IN AREA BOUND BY
69-43.10N 033-38.00E, 69-43.10N 034-10.80E,
69-34.50N 034-10.80E, 69-34.50N 033-38.00E.
2. CANCEL THIS MSG 191800Z SEP 26.
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229/26
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11/09/2026, 14:56
1. HYDROARC WARNINGS IN FORCE AS OF 111443Z SEP.
ALL THE INFORCE WARNINGS ARE LISTED HERE.
228/2026, 227/2026, 226/2026, 225/2026, 224/2026,
223/2026, 222/2026, 221/2026, 218/2026, 212/2026,
202/2026, 201/2026, 191/2026, 185/2026, 155/2026.
178/2025, 175/2025, 148/2025, 145/2025, 103/2025.
283/2024.
163/2023.
198/2022.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROARC
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 NGA AT
[email&#160;protected]
.
3. CANCEL HYDROARC 211/26.
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228/26
PAN PAN
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10/09/2026, 13:00
ARCTIC.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
0128Z TO 0244Z DAILY 15 SEP THRU 15 OCT
IN AREA BOUND BY
77-06.00N 161-35.00E
,
76-42.00N 163-41.00E
,
81-06.00N 135-04.00W
,
81-42.00N 134-18.00W
.
2. CANCEL THIS MSG 150344Z OCT 26.
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226/26
SÉCURITÉ
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10/09/2026, 11:45
BEAUFORT SEA.
CANADA.
RACON AT RELIEF ISLET
70-08.75N 130-49.67W
INOPERATIVE.
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225/26
PAN PAN
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09/09/2026, 17:37
BARENTS SEA.
RUSSIA.
1. HAZARDOUS OPERATIONS 0600Z TO 1700Z
DAILY 14 THRU 18 SEP IN AREA BOUND BY
69-43.10N 033-38.00E, 69-43.10N 034-10.80E,
69-34.50N 034-10.80E, 69-34.50N 033-38.00E.
2. CANCEL THIS MSG 181800Z SEP 26.
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222/26
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08/09/2026, 21:02
NORWEGIAN SEA.
NORWAY.
1. GPS JAMMING EXERCISES 0600Z TO 1600Z
DAILY 09 THRU 18 AND 1600Z TO 2000Z
DAILY 15 AND 16 SEP IN AREA BOUND BY
69-50.40N 013-42.00E, 69-49.80N 016-15.60E,
69-07.20N 016-23.40E, 68-39.00N 013-25.80E.
2. CANCEL THIS MSG 181700Z SEP 26.
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218/26
SÉCURITÉ
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07/09/2026, 08:56
KARA SEA.
RUSSIA.
SCIENTIFIC MOORINGS REPORTED IN:
A.
67-17.87N 072-40.37E
.
B.
67-20.38N 072-46.96E
.
WIDE BERTH REQUESTED.
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202/26
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02/09/2026, 00:11
DAVIS STRAIT.
CANADA.
SHOALS REPORTED IN:
A.
68-16.14N 066-01.06W
.
B.
68-15.59N 066-01.09W
.
C.
68-15.29N 066-01.13W
.
D.
68-13.73N 065-47.64W
.
E.
68-12.84N 065-44.47W
.
F.
68-12.62N 065-42.89W
.
G.
68-12.93N 065-41.98W
.
H.
68-12.63N 065-44.18W
.
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191/26
SÉCURITÉ
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28/08/2026, 09:28
NORWEGIAN SEA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V AMAZON CONQUEROR
TOWING 12 10000 METER LONG CABLES
IN AREA BOUND BY
65-40.80N 005-19.70E, 65-42.20N 006-52.30E,
64-33.50N 006-04.80E, 64-32.70N 004-33.70E.
SEVEN MILE BERTH REQUESTED.
2. CANCEL HYDROARC 190/26.
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185/26
SÉCURITÉ
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25/08/2026, 15:57
ARCTIC OCEAN.
CANADA.
MCTS IQALUIT REMOTE STATION RESOLUTE
68-19.00N 133-35.00W
MF AND HF R/T SERVICES OFF AIR.
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155/26
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05/08/2026, 12:58
KARA SEA.
LAPTEV SEA.
RUSSIA.
1. CABLE OPERATIONS 10 AUG THRU 30 NOV
BY M/V NORTON WAVE, CABLESHIP YAUZA,
M/V SOPHIA, AND M/V SIRIUS
ALONG TRACKLINE JOINING
75-12.21N 074-39.20E,
76-09.92N 080-22.98E
,
76-23.62N 086-43.61E
,
76-37.48N 091-21.17E
,
77-03.58N 094-34.27E
,
77-38.01N 097-30.99E
,
77-46.25N 098-41.60E,
77-44.75N 099-54.39E
,
78-00.14N 105-56.61E
,
77-56.46N 108-05.31E
,
77-14.76N 116-57.40E,
76-55.62N 124-22.09E
,
77-01.91N 129-04.97E
,
75-59.97N 129-27.98E
,
73-48.97N 131-09.10E,
72-19.46N 131-10.33E
,
71-26.38N 130-36.24E
,
71-23.82N 129-55.75E
,
71-36.55N 129-20.09E
,
71-38.37N 128-53.33E
.
TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z DEC 26.
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178/25(15)
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01/10/2025, 00:00
FRANKLIN STRAIT.
MCCLINTOCK CHANNEL.
CANADA.
DNC 28.
DEPTHS REPORTED:
A. 29.3 METERS IN
71-22.82N 096-41.27W
.
B. 26.6 METERS IN
71-22.05N 096-40.73W
.
C. 11.3 METERS IN
71-21.53N 096-45.79W
.
D. 11.3 METERS IN 71-21.20N 096-44.65W.
E. 28.4 METERS IN
71-20.59N 096-45.34W
.
F. 28.35 METERS IN
71-18.28N 096-49.03W
.
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175/25(15)
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29/09/2025, 00:00
MCCLINTOCK CHANNEL.
CANADA.
DNC 28.
33.6 METER DEPTH REPORTED IN
76-40.36N 102-16.62W
.
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148/25(15)
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31/08/2025, 00:00
LANCASTER SOUND.
CANADA.
DNC 28.
13.6 METER DEPTH REPORTED IN
74-38.63N 091-20.54W
.
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103/25
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17/07/2025, 00:00
CANCELLED ELECTRONIC NAVIGATIONAL CHART (ENC)
ADVISORY.
USERS OF NGA ENC PRODUCTS ARE ADVISED OF
POTENTIAL UNINTENDED ECDIS BEHAVIOR WHEN
PROCESSING CANCELLED CHARTS, INCLUDING
REINSTALLATION OF RECENTLY CANCELLED CHARTS ON
SOME SYSTEMS WITHOUT OBVIOUS ERROR OR
WARNING MESSAGES.
NGA HAS CONFIRMED THIS ISSUE AFFECTS NAVY VMS 9.5 AND
RAYTHEON ANSCHUTZ SYNAPSIS NX SYSTEMS. THIS ISSUE DOES NOT
AFFECT NAVY ECDIS. OTHER SYSTEMS ARE CURRENTLY UNASSESSED.
USERS MAY REFERENCE NGAS ENC CATALOG (GLOBAL
OR REGIONAL PRODUCT LISTINGS) FOR A LIST OF
CANCELLED CHARTS WHICH SHOULD BE UNINSTALLED
FROM ECDIS.
NGAS GLOBAL ENC CATALOG IS AVAILABLE ON
HTTPS://MCDP.NGA.MIL, WITH REGIONAL ENC PRODUCT
LISTING SPREADSHEETS CONTAINED WITHIN EACH
REGIONS ZIP ON ESYNC, NGAS WEBSITES, AND
WORLDCOVER DVD.
USERS MAY FILTER PRODUCT LISTINGS FOR EDITION OF
CXL AND SORT BY ISSUE DATE TO SEE MOST RECENT
CANCELLATIONS.
CHARTS CANCELLED WITHIN THE LAST 90 DAYS ARE
ACTIVELY DISSEMINATED BY NGA AND MOST LIKELY
CANDIDATES FOR INADVERTENT REINSTALLATION.
NGA IS CONSULTING WITH THE USER COMMUNITY TO
ASSESS POSSIBLE CHANGES TO THE CANCELLED CHART
DISSEMINATION PROCESS TO MITIGATE THIS POTENTIAL
UNINTENDED ECDIS BEHAVIOR.
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283/24(16)
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17/12/2024, 00:00
BEAUFORT SEA.
CHUKCHI SEA.
ALASKA.
DNC 27.
SCIENTIFIC MOORINGS ESTABLISHED:
A. BCE-24, IN 71-40.40N 154-59.90W,
AT DEPTH 108 METERS, TOP FLOAT 20 METERS.
B. BCC-24, IN 71-44.10N 155-09.68W,
AT DEPTH 291 METERS, TOP FLOAT 21 METERS.
C. BCW-24, IN 71-47.80N 155-20.83W,
AT DEPTH 165 METERS, TOP FLOAT 40 METERS.
D. NAP-24T, IN
74-31.37N 161-56.19W
,
AT DEPTH 1680 METERS, TOP FLOAT 28 METERS.
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163/23(15)
SÉCURITÉ
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15/08/2023, 00:00
BEAUFORT SEA.
CANADA.
DNC 27.
RACON AT PULLEN ISLAND LIGHT
69-46.60N 134-24.40W INOPERATIVE.
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