Nav aids

Pipelaying operations in progress until further notice by barge semac 1 with support vessels along trackline…

HYDROLANT 632/99

issued: 1999-04-01 18:20Z
status: cancelled 1999-06-02 19:10Z (archive)
cancels: HYDROLANT 434/99 HYDROLANT 628/99
position: 54.502, 6.986
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. PIPELAYING OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY
   BARGE SEMAC 1 WITH SUPPORT VESSELS ALONG TRACKLINE JOINING
   55-20N 006-42E,
   54-13N 007-04E,
   53-52N 007-11E,
   53-48N 007-24E. WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 434/99(36), LIGHT RESTORED.
3. CANCEL HYDROLANT 628/99(38), SEARCH CANCELLED.

This area · aids-to-navigation notices

340 within 180 nm since 1997 · 1 in the last 12 months · 1 in force now

Sofia offshore wind farm2026-07-24
All navigational aids at platform katy 54-24.20N 002-39.50E inoperative2024-04-19
Humber met mast 53-10.70N 002-59.10E unlit and navaids inoperative2024-04-01
Humber met mast 53-10.70N 002-59.10E unlit and navaids inoperative2024-02-19
Humber met mast 53-10.70N 002-59.10E unlit and navaids inoperative2024-01-08
All navigational aids at platform katy, 54-24.00N 002-40.00E inoperative2023-09-05

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Little cumbrae island light 55-43N 004-58W unlitreplaced · 1999-03-03
Distress signal received on 8 mhz in vicinity 55-33N 021-00W at 010833Z aprreplaced · 1999-04-01
Cancel HYDROLANT 632/99 and this msg, operations completedcancelled by · 1999-06-02

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

189 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.