Research Article

Towards Sophisticated Air Traffic Control System Using Formal Methods

Box 9

Airport_Departing
ANYaircraft
WHEREgrd1: aircraft ∈ aircrafts_in_airportgrd2: statusof(aircraft) = Blocked
THENact1: aircrafts_in_airport: =aircrafts_in_airport\{aircraft}act2: statusof  ≔ {aircraft} statusof
END