Airport system, output example

1503646043415 : Tower  : Airport started to work

1503646043436 : Tower  : Airport is empty. waiting for airplanes . . .

1503646043438 : Call   : Airplane #101 is calling the airport.
1503646043438 : Tower  : Airplane #101 Wellcome to airport. wait for permission.
1503646043439 : wait   : Airplane #101 is waiting to Land
1503646043439 : Tower  : Airplane #101, you have permition to Land
1503646043439 : Start  : Airplane #101 start to Land for 156ms
1503646043518 : End    : Airplane #101 has finished to Land
1503646043518 : Tower  : continue to next airplane . . .

1503646043518 : Tower  : Airport is empty. waiting for airplanes . . .

1503646043522 : Call   : Airplane #102 is calling the airport.
1503646043522 : Tower  : Airplane #102 Wellcome to airport. wait for permission.
1503646043522 : wait   : Airplane #102 is waiting to TakeOff
1503646043522 : Tower  : Airplane #102, you have permition to TakeOff
1503646043523 : Start  : Airplane #102 start to TakeOff for 252ms
1503646043643 : Call   : Airplane #103 is calling the airport.
1503646043644 : Tower  : Airplane #103 Wellcome to airport. wait for permission.
1503646043644 : wait   : Airplane #103 is waiting to Land
1503646043737 : Call   : Airplane #104 is calling the airport.
1503646043738 : Tower  : Airplane #104 Wellcome to airport. wait for permission.
1503646043738 : wait   : Airplane #104 is waiting to Land
1503646043760 : End    : Airplane #102 has finished to TakeOff
1503646043760 : Tower  : continue to next airplane . . .

1503646043761 : Tower  : Airplane #103, you have permition to Land
1503646043762 : Start  : Airplane #103 start to Land for 137ms
1503646043867 : Call   : Airplane #105 is calling the airport.
1503646043868 : Tower  : Airplane #105 Wellcome to airport. wait for permission.
1503646043868 : wait   : Airplane #105 is waiting to TakeOff
1503646043990 : End    : Airplane #103 has finished to Land
1503646043990 : Tower  : continue to next airplane . . .

1503646043991 : Tower  : Airplane #104, you have permition to Land
1503646043991 : Start  : Airplane #104 start to Land for 119ms
1503646043994 : Call   : Airplane #106 is calling the airport.
1503646043994 : Tower  : Airplane #106 Wellcome to airport. wait for permission.
1503646043995 : wait   : Airplane #106 is waiting to TakeOff
1503646044110 : Call   : Airplane #107 is calling the airport.
1503646044110 : Tower  : Airplane #107 Wellcome to airport. wait for permission.
1503646044111 : wait   : Airplane #107 is waiting to TakeOff
1503646044181 : End    : Airplane #104 has finished to Land
1503646044181 : Tower  : continue to next airplane . . .

1503646044182 : Tower  : Airplane #105, you have permition to TakeOff
1503646044182 : Start  : Airplane #105 start to TakeOff for 250ms
1503646044261 : Call   : Airplane #108 is calling the airport.
1503646044261 : Tower  : Airplane #108 Wellcome to airport. wait for permission.
1503646044262 : wait   : Airplane #108 is waiting to Land
1503646044334 : End    : Airplane #105 has finished to TakeOff
1503646044334 : Tower  : continue to next airplane . . .

1503646044335 : Tower  : Airplane #106, you have permition to TakeOff
1503646044336 : Start  : Airplane #106 start to TakeOff for 195ms
1503646044375 : Call   : Airplane #109 is calling the airport.
1503646044376 : Tower  : Airplane #109 Wellcome to airport. wait for permission.
1503646044376 : wait   : Airplane #109 is waiting to Land
1503646044498 : End    : Airplane #106 has finished to TakeOff
1503646044498 : Tower  : continue to next airplane . . .

1503646044499 : Tower  : Airplane #107, you have permition to TakeOff
1503646044500 : Start  : Airplane #107 start to TakeOff for 173ms
1503646044516 : Tower  : * * * * * Airport is going to be closed. * * * * *

1503646044516 : Tower  : new calls are not allowed.
1503646044710 : End    : Airplane #107 has finished to TakeOff
1503646044710 : Tower  : continue to next airplane . . .

1503646044711 : Tower  : Airplane #108, you have permition to Land
1503646044711 : Start  : Airplane #108 start to Land for 52ms
1503646044838 : End    : Airplane #108 has finished to Land
1503646044838 : Tower  : continue to next airplane . . .

1503646044839 : Tower  : Airplane #109, you have permition to Land
1503646044839 : Start  : Airplane #109 start to Land for 171ms
1503646044994 : End    : Airplane #109 has finished to Land
1503646044994 : Tower  : continue to next airplane . . .

1503646044995 : Tower  : Airport is now empty.

1503646044995 : Tower  : Airport is now closed.