Why do you have to open the pneumatic crossfeed valves to de-ice the wings? Exactly what does the AC bus cross-tie switch do? And why do the engines only draw fuel from the center tank when all the fuel booster pumps are on? The key to understanding these and many other aspects of your aircraft is studying the schematic drawings for the various aircraft systems. That may sound a little bit dry, but to help you out I have included a Schematics section in the DC-9 Classic Flight Center that gives you live interactive schematic drawings.
FSX, Prepar3D, X-Plane – who won the battle for flightsim supremacy last year? It has been said that “there are three kinds of lies: lies, damned lies, and statistics”. With that in mind, let’s have a look at the 2014 Avsim Demographic Survey.
Mike Dart of ProFsxVideos on Youtube has posted a comprehensive and detailed four-part full flight video series featuring the DC-9 Classic. Mike takes us along on a short range flight in the DC-9 Classic from Hannover to Nuremberg, Germany.