Hi Umberto,
Around 6 miles out from KSFO 19L (older FlightBeam package) Couatl crashed on me and generated the following report...
couatl v3.0 (build 3187)
panic log started on Thu Nov 26 15:52:30 2015
problem raised by engine or unspecified addon
{'User Pos': (37.75566731260887, -122.280166655116, 960.413 m, 960.413 m, 210.86017975700324)}
CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FlightBeam_KSFO_gen_mid'
{'User Pos': (37.75566731260887, -122.280166655116, 960.413 m, 960.413 m, 210.86017975700324)}
CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FlightBeam_KSFO_gen_term'
{'User Pos': (37.75566731260887, -122.280166655116, 960.413 m, 960.413 m, 210.86017975700324)}
CREATE_OBJECT_FAILED in call AICreateSimulatedObject param #1 'FlightBeam_KSFO_gen_south'
{'User Pos': (37.75566731260887, -122.280166655116, 960.413 m, 960.413 m, 210.86017975700324)}
Restarting persistent timer 'KSFO', timer adjusted'
Any idea what the problem might be? These crashes are pretty rare for me.