Nav aids

The australian marine safety administration (amsa) has recently published marine notice 29/2007 concerning…

HYDROPAC 89/08

issued: 2008-01-16 16:56Z
status: cancelled 2008-02-27 00:00Z (archive)
authority: PVWA OLIVETTE 16 JAN 08.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. THE AUSTRALIAN MARINE SAFETY ADMINISTRATION (AMSA) HAS 
    RECENTLY PUBLISHED MARINE NOTICE 29/2007 CONCERNING THE USE OF
    GLOABAL POSITIONING SYSTEM (GPS) AND DIFFERENTIAL GPS (DGPS). IT
    CAUTIONS USERS, PARTICULARLY OF OLDER RECEIVERS, THAT UNDETECTED
    ERRORS CAN OCCUR IN RECEIVERS WITHOUT RECEIVER AUTONOMOUS
    INTEGRITY MONITORING (RAIM), OR DUE TO USE OF CHART DATUMS OTHER
   THAN WGS 84, AMONG OTHER REASONS.
2. AMSA URGES SHIP OWNERS NOT TO INTERFACE OLDER GPS UNITS TO
    DEVICES LIKE AIS AND ECDIS, AS THIS HAS THE POTENTIAL TO JEOPARDIZE
    SAFETY OF NAVIGATION.
3. CANCEL THIS MSG 27 FEB.

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

193 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.