Flight Data, Navigation, and Instruments Flashcards
From where do the ADC’s get pitot/static information from?
pitot static system 1 2 and provide ADC 1 and 2 respectfully.
What do the ADC’s feed information to?
AFCAS, FMS, EFIS, GPWS, FDR system, ATC transponders, Stall protection system, engine pressure ratio indication system, pressurization controller.
What happens when an ADC fails? What can you do about it?
a alert level 2 will be presented, and the other ADC can be selected on main instrument panel.
Where do you set the QNH reference pressure?
using the altimeter set panel.
What feeds the standby altimeter and standby ASI?
Pitot static system 3
What does the AOA vanes provide information for?
ADC, AFCAS and stall prevention system
Where does the TAS information to the IRS’s come from?
from ADCs
From where can you enter data into the IRS’s?
Inertial systems display unit (ISDU)
If an IRS fails, what do you see and what can you do?
A alert EFIS level 2 is presented, and local ATT/HDG light
How and from where can you align the IRS’s?
the mode selector on MSU. to Nav or ALN.
How long does the alignment take?
10mins
Can the aircraft be moved during alignment?
No
What mode will the IRS be in after alignment?
if in NAV, then nav mode.
How could you realign the IRS’s?
A full realignment or via NAV to ALN for 30 seconds.
Where can the weather radar be displayed?
on ND in ARC and MAP. display range 15-240nm
Can the plots displays be independently controlled?
Yes
What do dashes in the VOR/DME mean?
when automatically tuned
What can you do if a ILS fails?
use back up source via ILS pb on main panel.
When is ILS freq tuning inhibited?
when LAND mode is engaged.
What can you do when an RA fails?
press RA pb to go to offside RA or RA 3.
Where is the attitude normally displayed?
PFD.
Where is ILS information displayed?
PFD and ND in Arc or Rose
Where is heading and course normally displayed?
ND in Map, ARC or rose.
What can be displayed on the RMI?
Heading. VOR or NDB
When is the standby horizon powered?
via 28 DC power if Batteries are switched on or when either fuel lever is open or ???? flight mod registered
back up internal battery 30mins
How is avionics cooling accomplished?
3 blower fans from cabin (EFIS, panels and other systems) . 2 suction fans on other side to extract the air and exhaust overboard after of forward cargo. if reaches predetermined value (35 degrees) and on ground, dumps through avionics cooling vale.
