Hello ! Fitst message in English so ..... My breitling superconstellation worked fine until the PA switch-off alone after 10 to 12 mn. And not alone the PA, but other panel windows also. If I push a button, I hear the noise "clic" but the button don't move and the function of this button is not activated. It's OK with the other planes. I have reinstalled the connie but it's the same pb. Perhaps a problem with windows XP ? or FS2004 ? Anyway, thanks for your help . Best regards, jean noel

The right answer came from flightsim forum. It was a power problem. The 4 generator switches was OFF so when the batterie was low !!!! The documentation says the 4 generators switch ON/OFF are not effective due to limitation of FS9 but in fact they are implemented. :( Exactly, 3 of the 4 are implemented. I think I switched off them, thinking they are not used. Regards, jnbb