Nav aids
GPS jamming exercises 0830Z to 1600Z daily 15 nov thru 10 dec in area within 20 miles of 54-50N 004-56W
North Channel · Irish Sea · Scotland · HYDROLANT 2808/21
- issued
- 2021-11-14 23:08Z
- status
- cancelled 2021-11-16 11:33Z (archive)
- self-cancels
- 2021-12-10 17:00Z
- authority
- WZ 1194/21 142301Z NOV 21.
- sea
- Irish Sea and St. George's Channel
- position
- 54.833, -4.933 · r 20.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH CHANNEL. IRISH SEA. SCOTLAND. DNC 20. 1. GPS JAMMING EXERCISES 0830Z TO 1600Z DAILY 15 NOV THRU 10 DEC IN AREA WITHIN 20 MILES OF 54-50N 004-56W. 2. CANCEL THIS MSG 101700Z DEC 21.
Activity windows · 26 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 2021-11-15 08:30Z | 2021-11-15 16:00Z | Nov 15, 08:30 → Nov 15, 16:00 | 7 h 30 |
| 2021-11-16 08:30Z | 2021-11-16 16:00Z | Nov 16, 08:30 → Nov 16, 16:00 | 7 h 30 |
| 2021-11-17 08:30Z | 2021-11-17 16:00Z | Nov 17, 08:30 → Nov 17, 16:00 | 7 h 30 |
| 2021-11-18 08:30Z | 2021-11-18 16:00Z | Nov 18, 08:30 → Nov 18, 16:00 | 7 h 30 |
| 2021-11-19 08:30Z | 2021-11-19 16:00Z | Nov 19, 08:30 → Nov 19, 16:00 | 7 h 30 |
| 2021-11-20 08:30Z | 2021-11-20 16:00Z | Nov 20, 08:30 → Nov 20, 16:00 | 7 h 30 |
| 2021-11-21 08:30Z | 2021-11-21 16:00Z | Nov 21, 08:30 → Nov 21, 16:00 | 7 h 30 |
| 2021-11-22 08:30Z | 2021-11-22 16:00Z | Nov 22, 08:30 → Nov 22, 16:00 | 7 h 30 |
| … 18 more | |||
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
1999 within 180 nm since 1998 · 3 in the last 12 months · 3 in force now
98
00
05
10
15
20
25
26
- Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
- Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
- Mf dsc and r/t services off air at: a. bawdsey 51-59.60N 001-24.50E2026-08-01
- NAVTEX station cullercoats (g) 55-04.00N 001-28.00W unreliable 0800Z to 1500Z daily 07 thru 09 may2024-05-06
- Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
- Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
Season · when aids-to-navigation notices happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 2808/21 and this msg, exercise suspendedcancelled by · 2021-11-16
Nearby now · within 120 nm
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 21.7 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.