Nav aids

Loran-c station bo, rates 7001-X, 7001-Y and 9007-X, off air 170700Z to 171000Z jun, alternate 190700Z to…

HYDROLANT 1176/03

issued: 2003-06-16 10:10Z
status: cancelled 2003-06-19 11:00Z (archive)
self-cancels: 2003-06-19 11:00Z
cancels: HYDROLANT 929/03
authority: NAVAREA I 232/03 160749Z JUN 03; NAVAREA I 234/03 160814Z JUN 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION BO, RATES 7001-X, 7001-Y AND
   9007-X, OFF AIR 170700Z TO 171000Z JUN,
   ALTERNATE 190700Z TO 191000Z JUN.
2. CANCEL HYDROLANT 929/03(43).
3. CANCEL THIS MSG 191100Z JUN.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2003-06-17 07:00Z	2003-06-17 10:00Z	—	3 h
2003-06-19 07:00Z	2003-06-19 10:00Z	—	3 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Seismic survey in progress until further notice by M/V cgg amadeus towing eight 6000 meter long cables in…cancels · 2003-05-10
Seismic survey in progress until further notice by M/V cgg amadeus towing eight 6000 meter long cables in…replaced · 2003-05-10

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.