IAS?
ALT?
3-22-19
Airspeed and/or barometric Altitude miscompare between ADAHRS 1 and ADAHRS 2
by more than 10 KIAS / 200 feet.
Note
ADAHRS Channel A receives dynamic and static pressure information form the
LH pitot static system, ADAHRS Channel B and the ESIS from he RH pitot static
system.
Note
A failed pitot static system may cause erroneous Altitude and Airspeed
indications.
1.
Baro setting.................................
Check correct setting on Electronic
Standby Instrument System (ESIS), Pilot
PFD and Copilot PFD
2.
Airspeed and Altitude..................
Crosscheck with Electronic Standby
Instrument System (ESIS) and Copilot
PFD
If erroneous pitot / static system cannot be determined:
3.
Pilot.............................................
Advise ATC that the aircraft could be
somewhere between both altitudes and
the transponder altitude may be wrong
4.
PCL.............................................
Set maximum cruise power torque and
cross check resulting IAS from Max
cruise table (See Section 5-3-4,
Performance Data - Cruise Performance
)
against cockpit indications
5.
ADAHRS pushbutton on PFD
controller.....................................
If determined which source is NOT
correct press to bring the good ADAHRS
channel Airspeed / Altitude data onto
PFD
6.
L/R AFCS mode selector............
Check coupled arrow pointing towards
the selected PFD
7.
Aircraft.........................................
Land as soon as practical
If erroneous system cannot be determined:
If Airspeed malfunctions:
8.
Cruise and descent.....................
Use only known power settings and
aircraft attitudes
9.
Approach.....................................
Keep speed as indicated by Dynamic
Speed Bug (1.3 V
S
) with PUSHER ICE
MODE and flaps 15°
Continued on next page
Section 3 - Emergency Procedures (EASA Approved)
APEX Failures
Pilot's Operating Handbook
Report No: 02406
Issue date: Mar 06, 2020
Page 3-22-9
12-C-A15-40-0322-00A-141A-A
FOR
GENERAL
AND
FAMILIARIZATION
PURPOSES
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