Multiple flights across Europe were targeted by hoax bomb threats this week, marking the second such widespread incident. Newly analyzed messages reveal the communication protocols employed by air traffic control as they responded to the alarming situations.

BBC Verify has been examining the messages passed between air traffic control services during the incidents. The nature of the threats and the procedures followed by aviation authorities are coming under scrutiny as investigations continue into the origins of the hoax calls. The coordination between different European air traffic control centers was crucial in managing the disruption and ensuring passenger safety. Details emerging from the analyzed messages highlight the complex and rapid decision-making processes involved in assessing and responding to such threats, even when deemed non-credible.