Which Country’s Laws Are Enforced During International Flights?

Which laws apply to aircraft on international flights? This is an issue that regularly comes up when incidents occur during a flight, and of course, is one that affects any of us that travel. Is it the country the aircraft is flying over, the country where it is registered, or where it lands? The situation is often confusing. We try to simplify it in this article and explain which laws apply at which times.