- IAS Disagree Flag:
Notes:
The Amber IAS DISAGREE Flag will appear below the airspeed display if airspeed differs by more than 5 knots between the Captain and First Officer for more than 5 seconds.
IAS DISAGREE Flag Possible Causes:Before replacing any component perform BITE if available. (ADIRU-Current Status or Inflight Faults)
1.Pitot source problem (pitot probe / lines leaking)
2.Static source problem (static port / lines leaking)
3.ADM's
4.ADIRU
AOA DISAGREE Flag Possible Causes:1.AOA sensors position mismatch. Move AOA sensors
2.Bad AOA Sensor. Use SMYD BITE.
IAS/AOA Disagree Flag:
Circuit Breakers:ADIRU Left (AC): P18-1 = E7.
ADIRU Left (DC): P18-1 = E5.
ADIRU Left EXC: P18-2 = E8.
ADIRU Right (AC): P6-1 = C14.
ADIRU Right (DC): P6-1 = C17.
ADIRU Right EXC: P6-1 = C15.
SMYD-1 Computer DC: P18-2 = E5.
SMYD-2 Computer DC: P6-1 = E5.
SMYD-1 Sensor EXC AC: P18-2 = E6.
SMYD-2 Sensor EXC AC: P6-1 = B4.
Applicable deferrals None