IFH 6-18

Figure 6-24. Emergency back-up of the airspeed indicator, attitude indicator, and altitude indicator. XPDR 5537 IDNT LCL23:00:34 VOR 1 270° 2 1 1 2 4300 4200 4100 3900 3900 3800 4300 3600 3500 3400 3300 3200 3100 20 80 4000 4000 130 120 110 90 80 70 1 100 9 TAS 100KT OAT 7°C ALERTS NAV1 117.60 117.90 NAV2 117.90 117.60 132.675 120.000 COM1 118.525 132.900 COM2 WPT _ _ _ _ _ _ DIS _ _ ._ NM DTK _ _ _° TRK 360° N-S E-W VOLTS 27.3 2090 NAV1 117.60 117.90 NAV2 117.90 117.60 132.675 120.000 COM1 118.525 132.900 COM2 WPT _ _ _ _ _ _ DIS _ _ ._ NM DTK _ _ _° TRK 360° MAP - NAVIGATION MAP Figure 6-25. Control instruments. XPDR 5537 IDNT LCL23:00:34 VOR 1 270° 2 1 1 2 -500 4300 4200 4100 3900 3900 3800 4300 3600 3500 3400 3300 3200 3100 20 80 4000 4000 130 120 110 90 80 70 1 100 9 TAS 100KT OAT 7°C ALERTS NAV1 108.00 113.00 NAV2 108.00 110.60 134.000 118.000 COM1 123.800 118.000 COM2 WPT _ _ _ _ _ _ DIS _ _ ._ NM DTK _ _ _° TRK 360° N-S E-W 5 338 1 1652 200 46 13.7 2300 23.0 Figure 4-21. Control Instruments. Control and Performance Method Aircraft performance is accomplished by controlling the aircraft attitude and power output. Aircraft attitude is the relationship of its longitudinal and lateral axes to the Earth’s horizon. When flying in instrument flight conditions, the pilot controls the attitude of the aircraft by referencing the flight instruments and manipulating the power output of the engine to achieve the performance desired. This method can be used to achieve a specific performance level enabling a pilot to perform any basic instrument maneuver. The instrumentation can be broken up into three different categories: control, performance, and navigation. Control Instruments The control instruments depict immediate attitude and power changes. The instrument for attitude display is the attitude indicator. Power changes are directly reflected on the manifold pressure gauge and the tachometer. [Figure 6-25] All three of these instruments can reflect small adjustments, allowing for precise control of aircraft attitude.