MDN 47/2024

Scientific buoy EPD-4 established in Southeast Lamma waters

ActiveReceived 13 Mar 2024, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 47/2024 (Establishment, Withdrawal and Changes of Aids to Navigation, Fairways, Anchorages & Other Port Facilities) Establishment of Scientific Buoy “EPD-4” in Southeast Lamma Waters With effect from 22 March 2024, a scientific buoy will be established in Southeast Lamma Waters for collecting data. The particulars of the buoy are as follows: Name : EPD-4 Position (WGS 84 Datum) : 22-11.50N 114-09.62E Shape : Pillar Colour : Yellow Light Characteristics : Fl(5) Y.20s Top Mark : Yellow “X” Radar Reflector : Fitted Automatic Identification System : Fitted 2. Vessels navigating in the vicinity should proceed with caution and give a wide berth to the buoy. 3. A drawing showing the position of the buoy is attached to this Notice. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 13 March 2024 Action File Ref.: L/M No. 16/24 in MD-PD&PS-F01-075-01A-001A-P061

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Analysis

Active

Cancelled by MDN 160/2025

A scientific buoy named EPD-4 was established in Southeast Lamma Waters to collect data with effect from 22 March 2024. The buoy is a yellow pillar with a yellow 'X' topmark, fitted radar reflector and AIS, and shows Fl(5) Y.20s. Vessels navigating nearby should proceed with caution and give a wide berth. A drawing showing the position is attached to the notice.

Type: Aids to navigation · severity low
Feed: Aids to navigationAll warnings of this kind on the map, or as an API feed.
Location: Southeast Lamma Waters
Validity: From 22 Mar 2024, 00:00 UTC
With effect from 22 March 2024
Hazards: scientific buoy (navigational obstruction/aid)

Worked out automatically from the warning text on 30 Sept 2026, 12:28 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
Lights and buoys affected
Translations
Nearby lights and rescue centres

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

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