Nav aids

Notification of on trial implementation of the iridium safetycast service

NAVAREA IV 1209/20

issued: 2020-12-14 16:47Z
status: cancelled 2021-06-25 13:31Z (archive)
authority: SFH 141557Z DEC 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NOTIFICATION OF ON TRIAL IMPLEMENTATION OF THE
IRIDIUM SAFETYCAST SERVICE.
NAVAREA IV COMMENCED ITS ON TRIAL PHASE FOR
IRIDIUM SAFETYCAST NAVIGATIONAL WARNINGS
AT 141600Z DEC. NAVAREA IV WILL PROMULGATE
SAFETYCAST MESSAGES AS PART OF A NUMBERED
SERIES DURING THE ON TRIAL PHASE IN ACCORDANCE
WITH THE JOINT IMO/IHO/WMO MARITIME SAFETY
INFORMATION MANUAL. MESSAGES MAY BE INTERMITTENT
AND WILL ALSO BE SUPPLEMENTED BY TEST MESSAGES
WHICH WILL BE CLEARLY DEFINED IN THE MESSAGE HEADER.
MARINERS ARE ADVISED THAT THE ON TRIAL PHASE
WILL BE IN PLACE FOR NAVAREA IV UNTIL FURTHER NOTICE.
SEE U.S. NOTICE TO MARINERS 52/20 FOR FURTHER INFORMATION.
CONTACT INFORMATION FOR NAVAREA IV IS
PHONE: 571 557 5455, EMAIL: [email protected].

Timeline

NAVAREA IV warnings in force as of 251328Z jun 21: 528/21, 527/21, 526/21, 525/21, 524/21, 523/21, 521/21,…cancelled by · 2021-06-25

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

142 aids-to-navigation notices in force · see all

Nav aids

Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →

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.