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.
Let's take a look at the overhead panel! "Hell yeah!", I hear you say. It is after all the nerve center of the aircraft. Nothing goes in the aircraft until you consult the overhead panel first.
The is a replacement sound set for the DC-9 Classic.
Created by Raymond Norum of RNJLabs - www.rnjlabs.com
The sound files contained within this package are a bit louder and more powerful than those included in the original DC-9 Classic sound set. While this may not be more realistic than the original sound set, it certainly has a great impact on the overal immersion factor and feeling of being there when flying the DC-9 Classic.