You were hurt on a Cathay Pacific flight between California and Hong Kong, or on a longer journey routed through it. Hong Kong's position under the governing treaty is genuinely unusual, and it is the first thing to settle.

Does the Montreal Convention Cover a Hong Kong Flight?

Yes, and it took a specific act to make that true. When China ratified the treaty it declared that the Convention would not apply in Hong Kong until further notice, which left the territory outside the regime that covers nearly every other major aviation market. China then extended the Convention to Hong Kong with effect from December 15, 2006.

So for any flight since that date, and certainly for any claim still alive under the two year deadline, Cathay Pacific carriage between California and Hong Kong is ordinary international carriage under the treaty. If you have read somewhere that Hong Kong is a special case, that was true and is no longer.

What the treaty gives you is then the same as anywhere else, and better than its reputation. Below a threshold it sets, Cathay Pacific is not permitted to argue it was not at fault for an injury caused by an accident on board. Above the threshold it can defend itself, and if it cannot prove it took all reasonable measures, nothing caps what it owes.

Can You Sue Cathay Pacific in California?

Often you can, and it is worth checking rather than assuming Hong Kong. The treaty gives an injured passenger a forum at their principal and permanent residence, provided the airline operates service to or from that place and does business there from premises it or a commercial partner occupies. Several factors decide whether those conditions were met on your trip, including what the carrier was operating to or from California around that date and the presence it kept in the state. Send us the itinerary and we can review where the claim can be brought. The mechanics are in suing a foreign airline in California.

A State-Owned Airline Is a Major Shareholder

This is the structural question specific to Cathay, and it is one to resolve at the start of a case rather than assume either way.

Under US law, a carrier that a foreign government owns or controls can be treated as an arm of that state. That changes the machinery of a case rather than its merits: the claim may be tried to a judge instead of a jury, and the airline has to be served through a particular route rather than ordinary means.

Cathay's share register is the reason the question comes up here. Its largest holder is a Hong Kong conglomerate, and a mainland Chinese state-owned airline has held a substantial position alongside it. Two things complicate the argument that this makes Cathay an arm of a foreign state: the size of a holding matters, and a stake held by a state-owned company is a step removed from a stake held by the state itself. The figures move, so we check them against a current source rather than carrying a number around. Expect airline counsel to raise the question given how the register reads, and expect it to be a real argument rather than a formality.

Who You Actually Contracted With

Cathay is a oneworld member and sells through US partners, though it does not run the kind of deep transpacific joint venture that several competitors operate. The identification question still arises whenever a ticket bought from a US carrier covers a flight operated by Cathay.

The treaty separates the airline that sold the ticket from the one that operated the flight and permits a claim against either. If a US carrier sold you the ticket, it can be sued here with no foreign forum argument at all. The booking confirmation with its operated-by line is the document that answers this, not the boarding pass.

What injures passengers

Common Injuries on the Hong Kong Run, and Which Ones the Treaty Reaches

The California sectors run thirteen to fifteen hours, and Hong Kong is a dense hub across Asia and Australia.

Overhead Bin and Falling Baggage

A bin that opens in flight, or a bag coming down during deplaning. External, and the clearest case the treaty handles.

Hot Liquid and the Service Cart

Scalding tea or coffee, or a cart striking a shoulder in the aisle. The cabin is under service for most of the day.

Turbulence

An unbelted passenger thrown from a seat. External, and a genuine risk on the Pacific tracks and in typhoon season.

Jetway and Airstairs Falls

Inside the treaty, because embarking and disembarking are part of the carriage. The jetway and the airstairs both count.

A Fall Inside the Terminal

Outside the treaty. A fall inside Hong Kong International is a premises claim in Hong Kong, often on a much shorter deadline. Do not let it sit.

Clots, Cardiac Events, and Back Injuries

The hard category. The airline's answer is that your own condition surfaced on an ordinary flight, and it has been difficult to overcome.

Where We Are Not the Right Call

If you live outside California the forum follows your actual home rather than your routing. If the injury happened in Hong Kong International between flights rather than on the aircraft or the jetway, that is a Hong Kong premises claim against the airport operator and not a treaty claim against Cathay. If two years have passed since the aircraft landed, the claim is very probably gone and the airline's open file did nothing to preserve it. And baggage belongs in the carrier's own process inside a notice window counted in days.

What to Do This Week

One. Pull the booking confirmation and establish whether Cathay or a US partner sold you the ticket.

Two. Write the sequence now. If turbulence was involved, record whether the seatbelt sign was illuminated and what the crew had announced, because on these routes that is usually the contested point.

Three. See a physician before a gap opens in the record.

Four. Count two years from the landing date and treat it as fixed.

If you live in California and something external injured you on the aircraft, this is a workable claim and the Hong Kong wrinkle is settled law at this point. We evaluate these claims at no cost, and we will tell you honestly when the treaty's accident standard is not met.