+ set_subsystem("asi", new AirspeedIndicator);
+ set_subsystem("annunciator", new Annunciator);
+ set_subsystem("ai", new AttitudeIndicator);
+ set_subsystem("alt", new Altimeter);
+ set_subsystem("ti", new TurnIndicator);
+ set_subsystem("ball", new SlipSkidBall);
+ set_subsystem("hi", new HeadingIndicator);
+ set_subsystem("vsi", new VerticalSpeedIndicator);
+ set_subsystem("compass", new MagCompass);
+ set_subsystem("dme", new DME, 1.0);
+ set_subsystem("adf", new ADF, 0.15);
+ set_subsystem("gps", new GPS, 0.45);
+ set_subsystem("clock", new Clock, 0.25);