Nav aids
GPS jamming exercises 0730Z to 1500Z daily 11 thru 29 jul in area within 22 miles of 54-50.30N 004-55.80W
Irish Sea · North Channel · Scotland · HYDROLANT 1747/22
- issued
- 2022-07-11 01:15Z
- status
- cancelled 2022-07-22 21:52Z (archive)
- self-cancels
- 2022-07-29 16:00Z
- authority
- WZ 717/22 110101Z JUL 22.
- sea
- Irish Sea and St. George's Channel
- position
- 54.838, -4.930 · r 22.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
IRISH SEA. NORTH CHANNEL. SCOTLAND. DNC 20. 1. GPS JAMMING EXERCISES 0730Z TO 1500Z DAILY 11 THRU 29 JUL IN AREA WITHIN 22 MILES OF 54-50.30N 004-55.80W. 2. CANCEL THIS MSG 291600Z JUL 22.
Activity windows · 19 in the telegram
| opens (UTC) | closes (UTC) | local (UTC) | length |
|---|---|---|---|
| 2022-07-11 07:30Z | 2022-07-11 15:00Z | Jul 11, 07:30 → Jul 11, 15:00 | 7 h 30 |
| 2022-07-12 07:30Z | 2022-07-12 15:00Z | Jul 12, 07:30 → Jul 12, 15:00 | 7 h 30 |
| 2022-07-13 07:30Z | 2022-07-13 15:00Z | Jul 13, 07:30 → Jul 13, 15:00 | 7 h 30 |
| 2022-07-14 07:30Z | 2022-07-14 15:00Z | Jul 14, 07:30 → Jul 14, 15:00 | 7 h 30 |
| 2022-07-15 07:30Z | 2022-07-15 15:00Z | Jul 15, 07:30 → Jul 15, 15:00 | 7 h 30 |
| 2022-07-16 07:30Z | 2022-07-16 15:00Z | Jul 16, 07:30 → Jul 16, 15:00 | 7 h 30 |
| 2022-07-17 07:30Z | 2022-07-17 15:00Z | Jul 17, 07:30 → Jul 17, 15:00 | 7 h 30 |
| 2022-07-18 07:30Z | 2022-07-18 15:00Z | Jul 18, 07:30 → Jul 18, 15:00 | 7 h 30 |
| … 11 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
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
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 1747/22 and this msg, exercises completedcancelled by · 2022-07-22
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.