Nav aids
Cgoc shetland mf r/t services at lerwick site 60-08.9N 001-08.3W off air
North Sea · Shetland Islands · HYDROLANT 721/21
- issued
- 2021-03-14 10:50Z
- status
- cancelled 2021-03-14 16:33Z (archive)
- authority
- WZ 290/21 141022Z MAR 21.
- sea
- North Sea
- position
- 60.148, -1.138
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH SEA. SHETLAND ISLANDS. DNC 20. CGOC SHETLAND MF R/T SERVICES AT LERWICK SITE 60-08.9N 001-08.3W OFF AIR.
This area · aids-to-navigation notices
1092 within 180 nm since 1998 · 1 in the last 12 months · 1 in force now
98
00
05
10
15
20
25
26
- Noup head light 59-19.90N 003-04.20W range reduced to 12 miles2026-08-05
- 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
- Cgoc shetland mf dsc services at st margarets hope 58-46.9N 002-56.7W off air2024-01-27
- Mrcc shetland mf r/t and dsc services at collafirth hill site 60-32.00N 001-23.50W off air2024-01-25
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
Timeline
- Cancel HYDROLANT 721/21 and this msg, service restoredcancelled by · 2021-03-14
Nearby now · within 120 nm
- Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 76.3 nm
- Survey operations in progress until further notice by M/V ramform hyperion towing ten 2740 meter long cablesSurveys · 116.7 nm
- Survey operations in progress until further notice by M/V ramform atlas towing 17 3600 meter long cables in…Surveys · 117.1 nm
Worldwide now
195 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.