MDN 261/2025

Capping of mud pits north of Hong Kong International Airport, approx. 60 months

Activeuntil 22 Dec 2030, 00:00 UTC (in 1498 days)Received 22 Dec 2025, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 261/2025 (Marine Works) Capping of Mud Pits North of the Hong Kong International Airport With immediate effect and for a period of approximately 60 months, marine works involving capping of mud pits and trimming works will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (H): (A) 22-20.71N 113-55.84E (B) 22-20.48N 113-56.84E (C) 22-20.03N 113-56.74E (D) 22-20.03N 113-56.40E (E) 22-20.23N 113-55.95E (F) 22-20.52N 113-55.84E (G) 22-20.30N 113-55.12E (H) 22-20.46N 113-55.08E 2. The works will be carried out by one dredger and one hopper barge. One tugboat, one guard boat and one survey boat will provide assistance. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. The hours of work will be round-the-clock. A working area of approximately 50 metres around the working vessels will be established. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the working vessels. 4. Vessels navigating in the vicinity should proceed with caution. 5. A drawing showing the works area is attached to this Notice. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 22 December 2025 Action File Ref.: L/M No. 46/25 in MD-PD&PS-F01-075-01A-003-P072

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Analysis

Activeuntil 22 Dec 2030, 00:00 UTC (in 1498 days)

Marine works to cap mud pits and carry out trimming will be conducted in an area north of the Hong Kong International Airport. Works began with immediate effect from 22 December 2025 and will continue for approximately 60 months, carried out round-the-clock. One dredger and one hopper barge, supported by a tug, guard boat and survey boat, will establish a working zone of approximately 50 metres with yellow marker buoys fitted with yellow flashing lights.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: North of the Hong Kong International Airport, area bounded by points A-H (WGS 84)
Validity: From 22 Dec 2025, 00:00 UTC
Until 22 Dec 2030, 00:00 UTCWith immediate effect and for a period of approximately 60 months
Activity periods: 22 Dec 2025, 00:00 UTC - 22 Dec 2030, 00:00 UTC (round-the-clock)
Hazards: marine works, capping of mud pits, dredger and hopper barge operations, anchored vessels and anchor cables, marker buoys with flashing lights

Worked out automatically from the warning text on 30 Sept 2026, 11:30 UTC. It can be wrong: the official warning text is the authority.

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This warning's analysis also has:

Action for mariners
Keep-clear distance
Ships named
Lights and buoys affected
Translations
Nearby lights and rescue centres

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