Section 901 Pilot’s Operating Handbook
Avidyne IFDs and CDU EXTRA 500
901.3.e Caution Messages
Avidyne IFD provide the following Cautions:
ADAHRS (1/2) In Fast Erect – prepare to use stand-by
instruments
ADAHRS (1/2) Aligning – prepare to use stand-by instruments
ADAHRS (1/2) Fault – prepare to use stand-by instruments
Perform Mag (1/2) Cal – received on ground, cal
magnetometers
GPS Miscompare – crosscheck using VHF navaids
GPS Integrity Lost – crosscheck using VHF navaids
GPS (1/2) Fault Dead Reckoning – 5 minutes of DR, use VHF
nav
GPS (1/2) Fault No Position – use VHF nav
Dual GPS Fault Dead Reckoning – 5 minutes of DR, use VHF
nav
Dual GPS Fault No Position – use VHF nav
Check Altitude Too Low – Regain altitude to intercept with
glide slope.
Traffic (if installed) – Make visual contact and take appropriate
action.
Traffic Sensor Fault (if installed) – Perform visual air sur-
veillance.
No Comm with Xpdr – Transponder may be functioning but
with limited or no command
No Comm with VHF [1/2] – VHF may be functioning but with
limited or no command
No Comm with KBD – Use alternate means for keyboard
functions provided on IFDs
COM [1/2] TX Fault – use other COM to transmit.
COM [1/2] Stuck TX – release PTT switch.
The following Caution messages are associated with WAAS
GPS:
LPV Unavailable Use L/VNAV DA
LPV Unavailable Use LNAV MDA
LP Unavailable Use LNAV MDA
L/VNAV Unavail. Use LNAV MDA
VNAV Lost Use LNAV MDA
Pilot to utilize available instruments/data displays to verify
message and take appropriate action by selection of alternate
901-6 26. January 2011
To Next Page
Loading...
