MDN 74/2026

Low-altitude drone operations in Deep Bay waters for approximately six months

No longer in forceReceived 20 Apr 2026, 00:00 UTCArchived 20 Oct 2026, 13:26 UTC

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MARINE DEPARTMENT NOTICE NO. 74/2026 (Navigation Warnings & Related Information) Drone Operations at the waters of Deep Bay With immediate effect and for a period of approximately six months, low altitude drone operations will be conducted over the waters of Deep Bay. 2. The operating area at the waters of Deep Bay is formed with straight line joining the following co-ordinates (WGS 84 Datum) from (A) to (D) and the adjacent shoreline: Latitude Longitude (A) 22-28.01N 113-58.86E (B) 22-28.92N 113-57.77E (C) 22-29.26N 113-58.16E (D) 22-28.34N 113-59.10E 3. During the aforementioned period, masters, coxswains and persons-in- charge of all vessels navigating in the vicinity should be aware of the said operations and navigate with caution. 4. A drawing showing the operating area is attached to this Notice. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 20 April 2026 Action File Ref.: L/M. No. 1286/25 in MD-HPS-F01-015-04B-002-P011

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Analysis

No longer in force

Low-altitude drone operations will be conducted over the waters of Deep Bay with immediate effect from 20 April 2026 for approximately six months. The operating area is the polygon formed by the straight lines joining the four coordinates given and the adjacent shoreline. Masters and coxswains are advised to be aware of the operations and navigate with caution. A drawing of the operating area is attached to the notice.

Type: Offshore operations · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: waters of Deep Bay
Validity: From 20 Apr 2026, 00:00 UTC
Until 20 Oct 2026, 00:00 UTCWith immediate effect and for a period of approximately six months
Activity periods: 20 Apr 2026, 00:00 UTC - 20 Oct 2026, 00:00 UTC (Immediate effect for a period of approximately six months)
Hazards: low altitude drone operations

Worked out automatically from the warning text on 30 Sept 2026, 11:10 UTC. It can be wrong: the official warning text is the authority.

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