AD/BEECH 400/22 - Loss of Airspeed Indication
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Caution
If icing conditions are anticipated during the descent and approach, turn ice protection systems ON as early as possible prior to penetrating clouds.
Maintain wing anti/deice operation light ON (approximately 70% N2) during descent to assure proper wing anti-ice operation.
9. Cabin Pressure Control \- Set Field Elevation + 500 Feet
10. Windshield Defog \- As Required
11. Altimeters \- Set
When Ready for Approach
12. Airspeed \- Slow to and Maintain 0.3 AOA
Note: Maintain 0.3 AOA throughout the configuration change to Flaps 10 deg. Gear Down. This will yield an airspeed of about 180 knots.
13. Fuel Management \- Check
14. N1, Landing Distance \- Confirm
15. Cabin Sign \- Safety
16. Windshield Anti-Ice \- Low
17. Hydraulic/Nitrogen Pressure \- Check
18. Engine Sync \- Off
19. Flaps 10 deg.