TrajectoryChangePoint
European Supplement
urn:aero:ses:eurocontrol:airm:1.0.0:ConceptualModel:Subjects:Flight:Movement:TrajectoryChangePoint
A trajectory point at which an altitude level-off will be initiated or terminated, at which the speed target (Indicated or Mach) will change to a new target, or at which the course is expected to change.
Source:
SESAR,