China’s campaign of detaining Panama-flagged vessels at its ports is easing sharply, with detentions in July falling to 16 from 140 in May, according to Splash247. The de-escalation follows negotiations between Beijing and Panama City and brings immediate relief to shipowners, charterers and cargo interests on the China trade who faced repeated inspections, port delays and the prospect of reflagging.
Detention Numbers Drop Sharply
Panama reported that Chinese ports detained 16 vessels flying its flag during July, down from 140 in May, Splash247 said. Only 10% of inspections resulted in detention this month, compared with 37% at the height of the campaign. The improvement follows a far more damaging first half: according to Asia-Pacific inspection data cited by the outlet, nearly 500 Panama-flagged ships have been detained in China since January, with 431 detentions between March and June — more than four times the comparable level a year earlier.
| Metric | Peak (May) | Latest (July) | Change |
|---|---|---|---|
| Panama-flagged detentions in China | 140 | 16 | -89% |
| Share of inspections resulting in detention | 37% | 10% | -27 pts |
| Detentions March–June 2026 | 431 | — | >4x year-ago level |
Behind the Crackdown: The Terminal Dispute
The detention campaign followed Panama’s removal of Hong Kong’s CK Hutchison subsidiary Panama Ports Company from the Balboa and Cristóbal terminals at either end of the Panama Canal, according to Splash247. Panama’s Supreme Court ruled the concessions unconstitutional, after which APM Terminals and MSC’s Terminal Investment Limited were appointed as interim operators. CK Hutchison has launched arbitration proceedings seeking more than $2bn.
Operational Impact on Vessel Owners and Cargo
The commercial consequences have extended beyond delayed port calls. Hundreds of ships appear to have left the Panama registry during the dispute, while owners trading frequently to China have had to weigh the costs of reflagging against the risk of repeated inspections, Splash247 reported. For logistics managers and freight forwarders, the dispute introduced unpredictability into schedule reliability on routes touching Chinese ports, with port state control inspection outcomes varying sharply by month.
What Shippers and Operators Should Do
With tensions easing, operators should verify the flag state of vessels nominated on China-bound cargo and consider whether Panama-flagged tonnage still carries inspection risk. China maintains that the detentions were based on safety deficiencies; Washington has taken a different view, with the Federal Maritime Commission describing the inspections as the “weaponisation” of port state control and warning that they could disrupt US trade and establish a dangerous precedent. Officials from both countries have now reached a consensus on renewing their maritime transport agreement, which provides Panamanian ships with port advantages and streamlined procedures in China — a development that should reduce friction for compliant vessels.
Watch List
- Progress on the renewal of the China–Panama maritime transport agreement and how quickly streamlined procedures take effect at Chinese ports.
- Monthly detention figures for August to confirm the easing trend holds; July's 16 detentions are down 89% from May's 140.
- CK Hutchison’s arbitration proceedings seeking more than $2bn and any further changes at the Balboa and Cristóbal terminals.
- Flag-switching behaviour: whether Panama-registered vessels return after hundreds reportedly exited the registry during the dispute.
- Any reaction from the US Federal Maritime Commission if inspection patterns shift again.
Sources:
