Nav aids
GPS satellite system
Scotland-west Coast · HYDROLANT 866/13
- issued
- 2013-04-05 14:30Z
- status
- cancelled 2013-04-12 17:00Z (archive)
- self-cancels
- 2013-04-12 17:00Z
- authority
- NAVAREA I 74/13 051240Z APR 13.
- sea
- North Atlantic Ocean
- position
- 57.433, -9.133 · r 80.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SCOTLAND-WEST COAST. GPS SATELLITE SYSTEM. 1. GPS JAMMING EXERCISES 1000Z TO 1200Z AND 1400Z TO 1600Z DAILY 08 THRU 12 APR WITHIN 80 MILES OF 57-26N 009-08W. 2. CANCEL THIS MSG 121700Z APR 13.
Activity windows · 10 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2013-04-08 10:00Z | 2013-04-08 12:00Z | — | 2 h |
| 2013-04-08 14:00Z | 2013-04-08 16:00Z | — | 2 h |
| 2013-04-09 10:00Z | 2013-04-09 12:00Z | — | 2 h |
| 2013-04-09 14:00Z | 2013-04-09 16:00Z | — | 2 h |
| 2013-04-10 10:00Z | 2013-04-10 12:00Z | — | 2 h |
| 2013-04-10 14:00Z | 2013-04-10 16:00Z | — | 2 h |
| 2013-04-11 10:00Z | 2013-04-11 12:00Z | — | 2 h |
| 2013-04-11 14:00Z | 2013-04-11 16:00Z | — | 2 h |
| … 2 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
1062 within 180 nm since 1998 · 1 in the last 12 months · 1 in force now
98
00
05
10
15
20
25
26
- Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
- 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
- Flannan isles light 58-17.30N 007-35.30W unreliable2024-02-17
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
- Mf dsc service off air at tiree 56-30.20N 006-57.80WNav aids · 90.3 nm
Worldwide now
193 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.