What does it mean to be financially responsible? It's a complex question with a complex answer, but at its core is a simple truth: To be financially responsible, you need to live within your means. And to live within your means, you must spend less than you make.
longitudinal axis. A straight line running fore and aft through the center of gravity. It is horizontal when the airplane is in the rigging position. The aircraft rolls about this axis. See axes.
1. (in a plane Cartesian coordinate system) the axis, usu. horizontal, along which the abscissa is measured and from which the ordinate is measured. 2. (in a three-dimensional Cartesian coordinate system) the axis along which values of x are measured and at which both y and z equal zero. [1925â30]