Nav aids
Cancel HYDROLANT 3107/13(37), survey completed
Scotland-northwest Coast · HYDROLANT 3177/13
- issued
- 2013-12-09 13:14Z
- status
- cancelled 2013-12-10 18:00Z (archive)
- self-cancels
- 2013-12-10 18:00Z
- cancels
- HYDROLANT 3107/13HYDROLANT 3170/13
- authority
- WZ 1407/13 091005Z DEC 1 - WZ 1406/13 090901Z DEC 13.
- sea
- Inner Seas off the West Coast of Scotland
- position
- 58.515, -6.262
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SCOTLAND-NORTHWEST COAST. CHART 35073 1. DGPS STATION AT BUTT OF LEWIS LIGHT 58-30.9N 006-15.7W OFF AIR 100800Z TO 101700Z DEC. 2. CANCEL HYDROLANT 3107/13(37), SURVEY COMPLETED. 3. CANCEL HYDROLANT 3170/13. 4. CANCEL THIS MSG 101800Z DEC 13.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-12-10 08:00Z | 2013-12-10 17:00Z | — | 9 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
1784 within 180 nm since 1998 · 2 in the last 12 months · 2 in force now
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25
26
- Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
- Noup head light 59-19.90N 003-04.20W range reduced to 12 miles2026-08-05
- Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
- GPS jamming exercises 0830Z to 1700Z daily 29 apr thru 03 may in area within 11 miles of 57-21.00N 007-24.00W2024-04-24
- GPS jamming exercises 0830Z to 1700Z daily 25 thru 29 mar in area within 11 miles of 57-21.00N 007-24.00W2024-03-20
- Cgoc stornoway mf r/t services off air at: a. butt of lewis site 58-27.7N 006-13.9W2024-03-02
Season · when aids-to-navigation notices happen here
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month of issue, all years in the archive
Timeline
- Survey operations in progress until further notice by M/V geoholm with submersible along trackline joining…cancels · 2013-12-03
- Cancel HYDROLANT 3167/13cancels · 2013-12-08
- Survey operations in progress until further notice by M/V geoholm with submersible along trackline joining…replaced · 2013-12-03
- Cancel HYDROLANT 3167/13replaced · 2013-12-08
Nearby now · within 120 nm
- Noup head light 59-19.90N 003-04.20W range reduced to 12 milesNav aids · 110.4 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.