We already have conventions governing which laws apply before, during and after international flights so I’d assume those would apply here.
- Whist in flight in international airspace, the laws of the country of registration of the aircraft apply.
- If the incident is related to air safety, the laws of the destination country will take effect.
- And in addition, If the aircraft is within a country’s airspace, then that country can impose its laws in certain situations.
So if he wanted to employ the services of an in-flight sex worker he would have to (at a minimum) make sure the plane was registered somewhere that sex work was legal.
