Nav aids
US coast guard communications station boston off air 201100Z to 202300Z and 212000Z to 212030Z jul
NAVAREA IV 269/09
- issued
- 2009-07-16 03:23Z
- status
- cancelled 2009-07-20 20:27Z (archive)
- self-cancels
- 2009-07-21 21:30Z
- authority
- COGARD CAMSLANT 101517Z JUL 09.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. US COAST GUARD COMMUNICATIONS STATION BOSTON OFF AIR 201100Z TO 202300Z AND 212000Z TO 212030Z JUL. NAVTEX, WEATHER FAX, ICE FAX, ICE SITOR AND SITOR BROADCASTS WILL BE TRANSMITTED FROM CHESAPEAKE, VIRGINIA. 2. CANCEL THIS MSG 212130Z JUL.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-07-20 11:00Z | 2009-07-20 23:00Z | — | 12 h |
| 2009-07-21 20:00Z | 2009-07-21 20:30Z | — | 30 min |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- US coast guard communications station boston off air 211700Z to 212300Z julcancelled by · 2009-07-20
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.