Nav aids
Coast guard stations boston, portsmouth and miami hf dsc unreliable 161800Z to 161900Z and 191600Z to…
U.S · NAVAREA IV 243/03
- issued
- 2003-06-16 15:00Z
- status
- cancelled 2003-06-20 01:01Z (archive)
- self-cancels
- 2003-06-20 01:01Z
- cancels
- NAVAREA IV 237/03
- authority
- COGARD CAMSLANT 161320Z JUN 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. U.S. COAST GUARD STATIONS BOSTON, PORTSMOUTH AND MIAMI HF DSC UNRELIABLE 161800Z TO 161900Z AND 191600Z TO 200001Z JUN. 2. CANCEL NAVAREA IV 237/03. 3. CANCEL THIS MSG 200101Z JUN.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-06-16 18:00Z | 2003-06-16 19:00Z | — | 1 h |
| 2003-06-19 16:00Z | 2003-06-20 00:01Z | — | 8 h 01 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 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.