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| | 5-3 |
 | | However, unless the airspeed is constant, and until you have established and identified the level flight attitude for that airspeed, you have no way of knowing whether level flight, as indicated on the attitude indicator, is resulting in level flight as shown on the altimeter, vertical-speed indicator, and airspeed indicator. |
 | | The altimeter and heading indicator must be stabilized with airspeed indication at normal cruise when you pull out the caging knob, if you expect the instrument to read straight-and-level at normal cruise airspeed. |
 | | With the miniature aircraft of the attitude indicator properly adjusted on the ground before takeoff, it will show approximately level flight at normal cruise speed when you complete your level-off from a climb. |
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