粤航警666/26
Survey operations in South China Sea area off Guangdong (entering prohibited)
Activeuntil 30 Nov 2026, 23:59 UTC (in 30 days)Received 18 Sept 2026, 08:53 UTC
Warning text
Positions open on the mapYUE HANG JING 666/26, SOUTH CHINA SEA.
FROM 18 SEP TO 30 NOV, SURVEY OPERATIONS ARE CONDUCTED BY VESSELS "HAI YANG SHI YOU 708", "HAI YANG SHI YOU 709", "HAI YANG SHI YOU 770" AND OTHERS IN THE AREA BOUNDED BY 21-25.30N 114-28.00E, 21-21.60N 114-28.00E, 21-21.60N 114-31.90E, 21-25.30N 114-31.80E.
ENTERING PROHIBITED.
Location map
Open in the full mapAnalysis
Activeuntil 30 Nov 2026, 23:59 UTC (in 30 days)From 18 Sep to 30 Nov 2026, survey operations are being conducted in a bounded area of the South China Sea by vessels including HAI YANG SHI YOU 708, 709 and 770. The area is defined by a four-point polygon given in the warning. Entering the area is prohibited.
Do not enter the defined area. Keep clear and navigate with caution around the survey area.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- South China Sea - area bounded by 21-25.3N 114-28.0E, 21-21.6N 114-28.0E, 21-21.6N 114-31.9E, 21-25.3N 114-31.8E
- Validity
- From 18 Sept 2026, 00:00 UTC
Until 30 Nov 2026, 23:59 UTCFROM 18 SEP TO 30 NOV - Activity periods
- 18 Sept 2026, 00:00 UTC - 30 Nov 2026, 23:59 UTC (Survey operations conducted during this period)
- Hazards
- survey operations, restricted/prohibited area
Vessels involved
- HAI YANG SHI YOU 708 · survey vessel
- HAI YANG SHI YOU 709 · survey vessel
- HAI YANG SHI YOU 770 · survey vessel
Coast stations for this area
- RCCMRCC Hong KongHong Kong, China (Associate Member of IMO)59 NM from the area
- RCCMRSC ShantouChina178 NM from the area
- RCCMRSC XiamenChina274 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Victoria PeakMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50range 50 NM58 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 NM66 NM from the area
- DSCDSC Station Guangzhou RadioMRCC GuangdongChinaMMSI 004123100VHF 25, MF 100range 100 NM120 NM from the area
- DSCDSC Station Wenzhou RadioMRSC ShantouChinaMMSI 004123200MF 100range 100 NM171 NM from the area
- DSCDSC Station Zhanjiang RadioMRSC ZhanjiangChinaMMSI 004123100VHF 25, MF 100range 100 NM231 NM from the area
Worked out automatically from the warning text on 29 Sept 2026, 23:38 UTC. It can be wrong: the official warning text is the authority.