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Cancel NAVAREA IV 487/12 and this msg, service restored

Western North Atlantic · Massachusetts · Radio Services · NAVAREA IV 494/12

issued: 2012-08-31 07:34Z
status: cancelled 2012-08-31 07:34Z (archive)
cancels: NAVAREA IV 487/12
authority: COGARD CAMSLANT 310154Z AUG 12.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
MASSACHUSETTS.
RADIO SERVICES.
CANCEL NAVAREA IV 487/12 AND THIS MSG, SERVICE RESTORED.

Timeline

Coast guard station boston broadcast services off aircancels · 2012-08-29
Coast guard station boston broadcast services off airreplaced · 2012-08-29

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.