Nav aids

Mousa light 59-59.8N 001-09.4W unlit

HYDROLANT 1617/03

issued: 2003-08-24 09:40Z
status: cancelled 2003-08-25 19:25Z (archive)
cancels: HYDROLANT 1609/03
authority: WZ 1118/03 240157Z AUG 03; PTNMM
position: 59.997, -1.157
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

CHART 35166 (4TH ED).
1. MOUSA LIGHT 59-59.8N 001-09.4W UNLIT.
2. CANCEL HYDROLANT 1609/03(38), 1577/03 REFERS.

This area · aids-to-navigation notices

1227 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now

Noup head light 59-19.90N 003-04.20W range reduced to 12 miles2026-08-05
Noup head light 59-19.9N 003-04.2W range temporarily reduced to 12 miles2026-08-05
Britannia gas field2026-07-22
All navigational aids at platform 15/17-A 58-25.00N 000-20.10E inoperative2024-05-01
Mrcc shetland mf r/t and dsc services at collafirth hill site 60-32.00N 001-23.50W off air2024-04-01
Copinsay light 58-53.80N 002-40.20W unreliable2024-02-17

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Underwater ordnance detonations 240001Z to 242359Z aug within 30 miles of 62-00N 020-30Wcancels · 2003-08-22
Underwater ordnance detonations 240001Z to 242359Z aug within 30 miles of 62-00N 020-30Wreplaced · 2003-08-22
Cancel HYDROLANT 1617/03 and this msg, aid restoredcancelled by · 2003-08-25

Nearby now · within 120 nm

Noup head light 59-19.9N 003-04.2W range temporarily reduced to 12 milesNav aids · 70.4 nm
Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 70.4 nm
Seismic survey in progress by rsv amazon conqueror towing 8 X 1 mile long cables in area bound by 60-00.9N…Cable ops · 97.9 nm
Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 113.8 nm
The patch northwestwardsCable ops · 113.8 nm
Survey operations in progress until further notice by M/V amazon conqueror towing eight 1609 meter long…Surveys · 117.3 nm

Worldwide now

189 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.