Add mach number to the property tree

diff --git a/src/FDM/flight.cxx b/src/FDM/flight.cxx
index 567190ea17a7a0ad10d34830df116bca9a5ce206..cd4e4fddb9a8196a0b2d171f6ecda640d6ea8353 100644 (file)
--- a/src/FDM/flight.cxx
+++ b/src/FDM/flight.cxx
@@ -339,6 +339,12 @@ FGInterface::bind ()
   fgTie("/velocities/airspeed-kt", this,
        &FGInterface::get_V_calibrated_kts,
        &FGInterface::set_V_calibrated_kts,
+       false);
+
+                               // Mach number
+  fgTie("/velocities/mach", this,
+       &FGInterface::get_Mach_number,
+       &FGInterface::set_Mach_number,
        false);
 
                                // Local velocities