Nav aids

Masters and operators of vessels are advised that automatic identification system (AIS) operation within 200…

NAVAREA IV 409/04

issued: 2004-12-17 19:12Z
status: cancelled 2005-10-14 14:20Z (archive)
authority: E-MAIL FRANK PARKER USCG 171352R DEC 04.
sea: Caribbean Sea
position: 18.355, -64.947 · r 200.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

MASTERS AND OPERATORS OF VESSELS ARE ADVISED THAT
AUTOMATIC IDENTIFICATION SYSTEM (AIS) OPERATION
WITHIN 200 MILES OF 18-21-18.8N 064-56-48.5W
IN ST. THOMAS, U.S. VIRGIN ISLANDS, MAY BE DISRUPTED
DUE TO RADIO INTERFERENCE.  AIS DEGRADATION MAY BE
SEVERE WITHIN 100 MILES OF THE POINT DESCRIBED ABOVE.

This area · aids-to-navigation notices

186 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

Uscg remote communication facility san juan (r) 18-27.00N 066-06.00W transmit and receive services off air…2024-03-23
Fort gustavia light 17-54.10N 062-51.10W unlit2023-08-29
Green buoy 17-28.68N 062-59.32W removed2023-06-09
Light, fl r, temporarily established in 17-28.67N 062-59.29W2023-06-09
NAVTEX station san juan (r) 18-27.00N 066-06.00W off air2023-03-23
NAVTEX station san juan (r) 18-27.00N 066-06.00W off air2022-09-19

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA IV 409/04 and this msgcancelled by · 2005-10-14

Nearby now · within 120 nm

Kitts and nevisOther · 99.7 nm
Anchoring prohibited until further notice in area bound by 18-13.60N 063-04.15W, 18-13.60N 063-04.70W,…Other · 107 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.