Nav aids
GPS jamming exercises 0730Z to 1500Z daily 24 thru 28 may in area within 20 miles of 54-50.3N 004-55.8W
Irish Sea · Scotland · HYDROLANT 1384/21
- issued
- 2021-05-24 01:11Z
- status
- cancelled 2021-05-28 16:00Z (archive)
- self-cancels
- 2021-05-28 16:00Z
- authority
- WZ 561/21 240109Z MAY 21.
- sea
- Irish Sea and St. George's Channel
- position
- 54.838, -4.930 · r 20.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
IRISH SEA. SCOTLAND. DNC 20. 1. GPS JAMMING EXERCISES 0730Z TO 1500Z DAILY 24 THRU 28 MAY IN AREA WITHIN 20 MILES OF 54-50.3N 004-55.8W. 2. CANCEL THIS MSG 281600Z MAY 21.
Activity windows · 5 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 2021-05-24 07:30Z | 2021-05-24 15:00Z | May 24, 07:30 → May 24, 15:00 | 7 h 30 |
| 2021-05-25 07:30Z | 2021-05-25 15:00Z | May 25, 07:30 → May 25, 15:00 | 7 h 30 |
| 2021-05-26 07:30Z | 2021-05-26 15:00Z | May 26, 07:30 → May 26, 15:00 | 7 h 30 |
| 2021-05-27 07:30Z | 2021-05-27 15:00Z | May 27, 07:30 → May 27, 15:00 | 7 h 30 |
| 2021-05-28 07:30Z | 2021-05-28 15:00Z | May 28, 07:30 → May 28, 15:00 | 7 h 30 |
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
1971 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
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
- Mew island light 54-41.90N 005-30.80W unreliableNav aids · 21.9 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.