Nav aids

Nga chart 35172 (2ND ed)

HYDROLANT 1182/11

issued
2011-07-26 21:36Z
status
cancelled 2011-07-27 16:00Z (archive)
self-cancels
2011-07-27 16:00Z
authority
WZ 741/11 262040Z JUL 11.
sea
North Sea
position
59.855, -1.275
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 35172 (2ND ED).
SCOTLAND-NORTH COAST.
1. SUMBURGH HEAD DGPS STATION 59-51.3N 001-16.5W
   OFF AIR 270900Z TO 271500Z JUL.
2. CANCEL THIS MESSAGE 271600Z JUL.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-07-27 09:00Z2011-07-27 15:00Z6 h

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

This area · aids-to-navigation notices

1340 within 180 nm since 1998 · 1 in the last 12 months · 1 in force now

98
00
05
10
15
20
25
26

Season · when aids-to-navigation notices happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · 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.