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Taiwan detains China-crewed freighter after Penghu undersea cable severed

Incident Report

Fact Sheet
Date25 Feb 2025
TrackerChina-Taiwan Tensions
TypeInfrastructure
Location Tainan, Taiwan
23.00, 120.23 (approximate)
What Happened

Taiwan's Coast Guard boarded and detained the Togo-flagged freighter Hong Tai 58 and its Chinese crew on February 25, 2025 after the Taiwan-Penghu No. 3 undersea cable was severed off Tainan, the first seizure of a suspected cable-cutting ship. Prosecutors said the vessel had dropped anchor and sailed in a zigzag across the cable. In April 2025 its captain became the first person Taiwan charged over cable damage, and a court later handed down a three-year prison sentence.

Sources
Measured Footprint
Series That day Prior 30-day avg Week after vs before
ADIZ aircraft 9 -13% 10.4 -22% (114 → 89)
Aircraft detected 11 -23% 14.3 -11% (136 → 121)
PLAN ships 14 +97% 7.1 +3% (59 → 61)
Gov ships 2 +150% 0.8 +143% (7 → 17)
Daily figures from Taiwan Ministry of National Defense around February 25, 2025; the day's value is compared with the trailing 30-day average. Week comparisons are shown only when the series covers both full weeks.
Tainan, Taiwan
Tainan, Taiwan
Marker placed at region precision.

Activity Around the Incident

PLA aircraft in Taiwan's ADIZ, two weeks either side
February 11, 2025 — 23 aircraft Feb 11 February 12, 2025 — 4 aircraft February 13, 2025 — 1 aircraft February 14, 2025 — 15 aircraft February 15, 2025 — 2 aircraft Feb 15 February 16, 2025 — 28 aircraft February 17, 2025 — 4 aircraft February 18, 2025 — 33 aircraft February 19, 2025 — 29 aircraft Feb 19 February 20, 2025 — 25 aircraft February 21, 2025 — 3 aircraft February 22, 2025 — 11 aircraft February 23, 2025 — 3 aircraft Feb 23 February 24, 2025 — 10 aircraft February 25, 2025 — 9 aircraft (incident day) 9 Feb 25 February 26, 2025 — 34 aircraft February 27, 2025 — 6 aircraft Feb 27 February 28, 2025 — 15 aircraft March 1, 2025 — 5 aircraft March 2, 2025 — 9 aircraft March 3, 2025 — 11 aircraft Mar 3 March 4, 2025 — 2 aircraft March 5, 2025 — 0 aircraft March 6, 2025 — 4 aircraft March 7, 2025 — 0 aircraft Mar 7 March 8, 2025 — 7 aircraft March 9, 2025 — 9 aircraft March 10, 2025 — 8 aircraft March 11, 2025 — 5 aircraft Mar 11
Daily counts from Taiwan Ministry of National Defense; the highlighted bar is the incident day, February 25, 2025.

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