8. Tachometer
9. Interstage turbine temperature indicators
10. Fuel quantity indicator
11. Head Down Display (HDD)
12. Landing gear control valve
13. Mechanical devices indicator
14. Clock
15. Radio altimeter
16. Pressure altimeter
17. Trimming lights neutral position indicator in pitch, roll and yaw channels
18. "Ecran" integrated information system panel
19. Warning lights
20. SPO-15 "Beryoza" radar warning system
Airspeed and Mach Indicator
The airspeed and Mach indicator shows the indicated airspeed (IAS). The scale is graduated from 1
to 1,600 km/h. The Mach indicated in the interior of the gauge, scale is graduated from 0.6M to 3М.
Figure 25: Airspeed and Mach indicator
Pressure Altimeter
The barometric air pressure altimeter indicates the aircraft’s altitude above sea level. The Inner
altimeter ring scale is graduated from zero to 20,000 meters in 1,000 meter increments. The outer
altimeter ring scale is graduated from zero to 1,000 meters in increments of 10 meters. The aircraft’s
altitude is the sum of the readings of both scales.
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