How do air taxis operate in Moscow

Flights over Moscow are banned, but the city still operates an 'air taxi'.

Currently, only passenger planes at an altitude greater than 8,100 meters (26,574ft), the Ministry of Emergency Situations and the Federal Protective Service helicopters, as well as some other government services' and bodies' aircraft are allowed to fly over Moscow. And yet, if you really need it, you can use an air taxi. How convenient wi