粤航警662/26
Survey operations by vessel Hui Tan Hao in small circular zones off Guangdong, 21 Sep-31 Oct
No longer in forceReceived 18 Sept 2026, 08:39 UTCArchived 02 Oct 2026, 02:50 UTC
Warning text
Positions open on the mapGD571/26 SOUTH CHINA SEA “HUI TAN HAO”SURVEY WORK AT SEA IN AREA WITHIN 1000M RADIUS OF 20°44′08″N 112°19′49″E、20°38′38″N 112°26′22″E、20°31′01″N 112°18′15″E、20°25′22″N 112°10′09″E、20°00′26″N 112°18′08″E、19°52′39″N 112°9′38″E.FROM 21 SEPT. TO 31 OCT. ENTERING PROHIBITED GUANGDONG MSA CHINA
Location map
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No longer in forceThe survey vessel "慧探号" (Hui Tan Hao) will conduct survey work at six locations in the South China Sea off Guangdong. Operations apply within 1000 m radius circles centred on the listed positions. Activity runs from 21 September to 31 October; entering the areas is prohibited.
Do not enter the specified 1000 m radius circular areas; navigate clear of survey vessel and keep watch.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- South China Sea, off Guangdong
- Validity
- From 21 Sept 2026, 00:00 UTC
Until 31 Oct 2026, 23:59 UTC9月21日至10月31日 (FROM 21 SEPT. TO 31 OCT.) - Activity periods
- 21 Sept 2026, 00:00 UTC - 31 Oct 2026, 23:59 UTC (continuous between these dates)
- Hazards
- survey operations, restricted/prohibited areas
- Keep clear
- 0.539957 NM半径为1000米的圆形水域内进行勘察作业。禁止驶入 (areas within 1000 m radius; entering prohibited)
Vessels involved
- 慧探号 · survey vessel
Coast stations for this area
- RCCMRCC Hong KongHong Kong, China (Associate Member of IMO)138 NM from the area
- RCCSanya HASChina220 NM from the area
- RCCMRSC ShantouChina295 NM from the area
- DSCDSC Station Zhanjiang RadioMRSC ZhanjiangChinaMMSI 004123100VHF 25, MF 100range 100 NM114 NM from the area
- DSCDSC Station Haikou RadioHaikou HSA/MRCC Hainan ProvinceChinaMMSI 004123500VHF 25range 25 NM123 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Victoria PeakMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50range 50 NM137 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Tai Mo ShanMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50, MF 200, HFrange 200 NM142 NM from the area
- DSCDSC Station Guangzhou RadioMRCC GuangdongChinaMMSI 004123100VHF 25, MF 100range 100 NM158 NM from the area
Worked out automatically from the warning text on 29 Sept 2026, 23:39 UTC. It can be wrong: the official warning text is the authority.