粤航警739/26
Received: 14 Oct 2026, 01:00Updated: 31 Oct 2026, 12:31
analysis
Activeuntil 15 Nov 2026, 23:59 UTC (in 15 days)Survey operations by "Hai Yang Di Zhi Er Hao" in two areas off Guangdong, South China Sea
The vessel "海洋地质二号" will conduct survey/exploration operations in two bounded areas in the South China Sea. Activity is scheduled from 15 October to 15 November 2026. Mariners are told to be cautious and keep clear of the working areas.
Keep clear of the two bounded areas and navigate with caution; maintain lookout and proceed at safe speed.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/survey/
- Location
- South China Sea (off Guangdong) - two bounded survey areas as listed
- Validity
- From 15 Oct 2026, 00:00 UTC
Until 15 Nov 2026, 23:59 UTCFROM 15 OCT. TO 15 NOV. - Activity periods
- 15 Oct 2026, 00:00 UTC - 15 Nov 2026, 23:59 UTC (Survey/exploration operations in two bounded areas)
- Hazards
- survey operations, vessel and equipment on survey track
Vessels involved
- 海洋地质二号 · survey vessel
Coast stations for this area
- RCCMRCC Hong KongHong Kong, China (Associate Member of IMO)190 NM from the area
- RCCSanya HASChina235 NM from the area
- RCCMRSC ShantouChina313 NM from the area
- DSCDSC Station Hong Kong Marine Rescue Victoria PeakMRCC Hong KongHong Kong, China (Associate Member of IMO)MMSI 004773500VHF 50range 50 NM189 NM from the area
- DSCDSC Station Haikou RadioHaikou HSA/MRCC Hainan ProvinceChinaMMSI 004123500VHF 25range 25 NM190 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 NM197 NM from the area
- DSCDSC Station Zhanjiang RadioMRSC ZhanjiangChinaMMSI 004123100VHF 25, MF 100range 100 NM214 NM from the area
- DSCDSC Station Sanya RadioSanya HASChinaMMSI 004123700237 NM from the area
Generated automatically from the warning text on 14 Oct 2026, 02:37 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
GD637/26 SOUTH CHINA SEA “HAI YANG DI ZHI ER HAO”EQUIPMENT SEA TRIAL ACTIVITIES IN AREA BOUNDED BY 19-10.50N 113-27.60E,19-10.50N 113-30.80E,19-07.50N 113-30.80E,19-07.50N 113-27.60E,AND IN AREA BOUNDED BY 18-55.20N 113-48.00E,18-55.20N 113-51.10E,18-52.20N 113-51.10E,18-52.20N 113-48.00E.FROM 15 OCT. TO 15 NOV. CAUTION AND KEEP CLEAR.GUANGDONG MSA CHINA