Test 1 Flashcards
Original designation for A220-100? A220-300?
(100) BD-500-1A10
(300) BD-500-1A11
Where can 100 or 300 models be determined?
Data plate.
Aft left
What is special about the a220 engine?
GTF - gear turbo fan.
Engine spins faster than fan 3:1
Difference between 100 and 300?
12 ft longer
Different wheels/brakes
Strengthened wtb structure
Majority of fuselage is what material?
Aluminum-lithium alloy
Which plane has smaller fuel capacity?
300
Buttons on the overhead panel are called?
PBA - push button annunciators
PBAs are unique in what way?
They illuminate only after desired action is completed.
What indicates that the “towbarless only” switch is on?
Nav lights on while plane is dark.
Tow indicator box light illuminated
How many equipment bays and which are pressurized?
3 bays.
Front and mid pressurized.
Maintenance instructions for the A220 are found where?
AMP
Parts for the A220 are found in what document?
IPDP
What method is used to level plane while jacking?
Plum bob.
Aircraft instruments for pitch and roll.
What material is used for wings, nacelles, nose, and hor/vert stabs?
CFRP
Carbon fiber reinforced polymer
What material is used for leading edges, cockpit and exhaust cone?
Aluminum
Interface for control and indication of a/c systems:
ICCP
Integrated cockpit control panels
What is the response pathway from the ICCP?
ICCP > PIM (panel interface module) > RDC (remote data concentrator) > DMC (data concentrator unit module cabinet)
Failure of what component causes a cascade failure?
DMC
What is the feedback pathway?
DMC > IPC ( integrated processing cabinet) > DU (display unit)
What is used to set the clock?
Control tuning panel
Which two AFDs are battery powered?
1 and 2
The integrated avionics system is centered on what components?
Integrated processing cabinets
(IPC)
What components serve as the information gateway to the cockpit?
Data concentrator unit module cabinet (DMC)
What provision is available to view live system data?
Synoptic pages
How are annunciator lights tested?
Lamp test on avionics page
How do pilot’s cursors differ?
Pilot - 3 lines
FO - 4 lines
The captain’s cursor can go to which displays?
FO’s cursors?
2 and 5
3 and 5
Which of the 5 displays has a physical breaker?
AFD 2
What display info is prioritized on the AFDs?
EICAS
Primary flight display (PFD)
Active faults are displayed on what page?
Info page
Do not perform a ECL software at what time?
While APU is running
What two numbers are needed for an EFIM logbook entry?
Solution ID
9 digit fault code
What is considered primary power vs secondary power?
Anything greater than 15 amps
Where are the TRUs located?
In the center of the EPCs
What is the AMP reference for a nuisance message logbook sign off?
AMP 20-01
What units function together along with the VFG?
Generator control unit
(GCU)
Overvoltage protection unit
(OPU)
Where are the batteries located?
Right-side Wing-To-Body Fairing, aft of right wing
What information do we need to determine dispatchability?
CAS and info messages
OMS provides the ability to do what?
Troubleshoot
Test
Rig
Troubleshooting should begin with what selection in
OMS?
View flight deck effects
To perform a maintenance task, we should select what on the OMS main menu?
“Perform LRU/System Operations”
What fault code is needed to provide best results in the EFIM?
9 digit code
What provides control and protections for the onboard generators?
GCU and OPU
L GEN OIL is an indication of what?
Low oil pressure
Or
High oil temperature
How is the VFG accessed for servicing?
By opening both TR cowls
What are the locations of the PIMs?
LT and RT inboard modules on overhead panel.
Trim, engine, and light/cockpit door panels on center pedestal.
What Controls Primary Power Distribution?
BPCU 1 and 2 and the empergency power control (EMPC)
Distribution busses, contactors, and thermal breakers can be found in what components?
EPC 1, 2, and 3
With both External & APU power, the system will do what?
Power each side independently (split-bus mode)
What makes CDCs 1 & 2 different than the others?
CDCs 1 & 2 Have Micro-Comms- Master CDCs
They Control Secondary Power Distribution
Where is CDC 5 located?
Aft of the aft cargo compartment
What must be done prior to Locking/Unlocking an
ЕСВ?
Maintenance Mode
