Page 114 - MATRIX MANUAL

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QRH
10-4 NON-QRH
ETOPS Significant System
Condition: Objective:
The airspeed or Mach indications are suspected to be unreliable. (Items which may indicate Airspeed Unreliable are listed in the Additional Information section.)
To identify a reliable airspeed indication, if possible, or to continue the flight using the Unreliable Airspeed table in the Performance Inflight chapter.
After QRH procedures complete. Contact SOC to update condition and review. May result in loss of Air Data computer and an autopilot. Inputs to AFDS may be erroneous. Do not use Autopilot, autothrottle, or flight directors. Check the non- normal configuration landing distance tables in the QRH. Requires a diversion.
Use electronic and visual glideslope indicatiors, where availavle, for approach and landing. Alterate selection should include the best practical WX for safest course of action.
May result in loss of Air Data computer and an autopilot. Inputs to AFDS may be erroneous. Do not use Autopilot, autothrottle, or flight directors. Check the non-normal configuration landing distance tables in the QRH. Requires a diversion. Use electronic and visual glideslope indicatiors, where availavle, for approach and landing. Alternate selection should include the best practical WX for safest course of action.
MX procedures that could follow.