string callsign;
// can be aircraft, ship, storm, thermal or ballistic
- const char* m_type;
- const char* m_class;
- const char* path;
- const char* flightplan;
+ string m_type;
+ string m_class;
+ string path;
+ string flightplan;
FGAIFlightPlan *fp;
double rho;
double T; // temperature, degs farenheit
double p; // pressure lbs/sq ft
+ double a; // speed of sound at altitude (ft/s)
+ double Mach; // Mach number
+
static const double e;
static const double lbs_to_slugs;