What is Taiwan Gray Zone Monitor?

An open-source OSINT dashboard that tracks maritime gray-zone activity around Taiwan using AIS vessel positions, SAR satellite dark-vessel detections, Global Fishing Watch data, and CSIS threat methodology. It surfaces dark vessels, AIS anomalies, ship-to-ship transfers, Chinese fishing-fleet aggregation, and submarine-cable risk.

How often is the data updated?

AIS vessel positions, ship-to-ship transfer detection, and AIS identity-change detection update every 2 hours. SAR / Global Fishing Watch dark-vessel analysis updates every 12 hours. All timestamps are ISO 8601 (UTC).

Does a high threat score mean a vessel is guilty?

No. A high score indicates an anomalous behavior pattern and is a risk ranking to assist human analysts. It is not a legal determination of wrongdoing or intent.

Is the project open source?

Yes. All code and scoring logic are public on GitHub under the MIT License, so anyone can inspect the methodology and data handling.

What area does it monitor?

Roughly 20–28°N and 112–128°E, covering the Taiwan Strait, the waters east of Taiwan, and parts of the South and East China Seas.

台灣灰色地帶與海底電纜監測 | Taiwan Gray Zone & Submarine Cable Monitor

今日態勢

● 判定中

彙整海纜狀態與可疑船舶資料中…

即時地圖

AIS 船位、SAR 暗船與海底電纜路由

漁撈熱點 AIS 船隻暗船 (SAR) 海底電纜船隻航跡領海基線/領海/鄰接區海床水深 (Seascape) 過濾權宜船

船隻類型

漁船

貨船

油輪

海警船

海巡(海事局)

海救(救助局)

科研/情報船

其他

可疑

衛星偵測

SAR 暗船

區域

漁撈熱點

資料更新時間: --

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