IMPLEMENT_STANDARD_HANDLE(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)
IMPLEMENT_STANDARD_RTTIEXT(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)
IMPLEMENT_STANDARD_HANDLE(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)
IMPLEMENT_STANDARD_RTTIEXT(HYDROData_ObstacleAltitude, HYDROData_IAltitudeObject)