Nav aids
US coast guard communications station boston off air 211700Z to 212300Z jul
NAVAREA IV 273/09
- issued
- 2009-07-20 20:27Z
- status
- cancelled 2009-07-22 00:01Z (archive)
- self-cancels
- 2009-07-22 00:01Z
- cancels
- NAVAREA IV 269/09
- authority
- COGARD CAMSLANT 201814Z JUL 09.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. US COAST GUARD COMMUNICATIONS STATION BOSTON OFF AIR 211700Z TO 212300Z JUL. NAVTEX, WEATHER FAX, ICE FAX, ICE SITOR AND SITOR BROADCASTS WILL BE TRANSMITTED FROM CHESAPEAKE, VIRGINIA. 2. CANCEL NAVAREA IV 269/09. 3. CANCEL THIS MSG 220001Z JUL.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-07-21 17:00Z | 2009-07-21 23:00Z | — | 6 h |
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.