CAS Advisory Message
Meaning, Effects and Possible Actions
*
EPECS Fault
On ground:
Engine data from one EEC channel is not available for
display.
In flight:
Monitor engine parameters. Consider diversion to an airfield
with appropriate maintenance capability. Dispatch in
subsequent flight is prohibited.
Prop Reverse Fail
A failure has been detected in the propeller system. Propeller
reverse is not available. Plan landing with reverse not
available.
AT Fail
Auto throttle not available. Control PCL manually.
TF Fail
Tactile feedback not available.
CIO 1 Fail
Internal hardware/software failures leading to loss of
Datalink, CPDLC and ADS-B IN.
PROC 1 Fail
Internal hardware/software failures leading to loss of
Datalink, CPDLC and EGPWS.
TCAS Fail
TCAS hardware/software fault leading to loss of Traffic
Collision Avoidance System (TCAS) and Cockpit Display of
Traffic Information (CDTI).
ADS-B In Fail
TCAS hardware/software fault leading to loss of CDTI.
VSA Unavailable
Required parameter levels not available leading to loss of
Vertical Separation Approach (VSA).
SURF Traffic UNAVAIL
Required parameter levels not available leading to loss of
Surface Traffic function.
TERR INHIB Active
Terrain Inhibit selected by pilot.
G/S INHIB Active
Glide slope inhibited for EGPWF while flying backcourse
approach.
FLAP OVRD Active
Flap Override selected for EGPWF.
STEEP APR Active
Steep Approach Active.
Terrain Fail
Terrain Awareness inoperative leading to loss of display.
RAAS Fail
Internal hardware / software or input failures leading to loss
of Runway Awareness and Advisory System (RAAS)
function.
RAAS Inhibit
RAAS inhibit selected by pilot.
RAAS Not Available
Missing RAAS Parameter (e.g. Airport not in Database)
leading to loss of RAAS function.
AOC Uplink
Datalink Airline Operational Control incoming message.
Accept/acknowledge message to delete PFD amber
message box.
ATS Uplink
Datalink Air Traffic Services incoming message.
Accept/acknowledge message to delete PFD amber
message box.
ATC Uplink
Datalink Air Traffic Control incoming message.
Accept/acknowledge message to delete PFD amber
message box.
Section 3A - Abnormal Procedures (EASA Approved)
CAS Advisories
Pilot's Operating Handbook
Report No: 02406
Issue date: Mar 06, 2020
Page 3A-2-4
12-C-A15-48-0302-00A-014A-A
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