Warning Flashcards
What does EDS stand for? What are its main components
Electronic Display System, - 5 display units - 1 guidance panel - 2 cursor control devices (CCDs) - 2 MCDUs 1 EICAS full button 2 reversionary panels - MAU hardware - Control I/O modules - EDS application software on processor module
What info is displayed on the PFD?>
- Airspeed
- Altitude
- ADI
- HSI
- VSI
- FD
- Radio alt
- Radio aids
- Autopilot
If info is mismatched between two PFDs what happens?
No info will be presented at all
Which display has the menu soft keys?
MFD
The MFD presents what 2 nav formats?
Map and plan
What is the third primary function of the MFD?
Display various system synoptic formats
What does EICAS stand for?
Engine Indicating and Crew Alerting System
In addition to crew alerting, what else does the EICAS display?
Engine and various system parameters such as flaps, gear, spoilers, trim, fuel, APU and environmental
Which displays can be reverted? Which displays cannot be reverted?
- MFDs can be reverted to EICAS or PFD
- PFDs and EICAS cannot be reverted
What is the reversionary priority?
- PFD
- EICAS
- MFD
How many reversionary panel controls are in the airplane?
2
What does DU3 always display?
EICAS
Which display unites will always operate as PFDs?
DU 1 and 5
What happens with the DISPLAYS selector in AUTO?
EICAS Failure - Respective PFD will display on MFD
PFD failure - displays on associated MFD
MFD failure - no auto reversion
Explain the PFD, MFD and EICAS selections on the REVERSIONARY panel
PFD - Respective PFD will display on associated MFD
MFD - cannot be reverted
EICAS - displays on associated MFD
- Automatically reverts the MFD in case of display failure
How many ADSs are installed and how are they assigned?
5 installed
- ADS 1: Captain
- ADS 2: FO
- ADS 3: STBY
- ADS 4: IESS
- ADS 5 Flight controls
How would you display the CA PFD on DU2?
On the Captain’s reversionary panel move the selector to PFD
What happens if ADS 1 or 2 fails?
ADS 3 automatically becomes the source, if ADS 3 fails then the respective x-side ADS is used (i.e.; ADS 1 reverts to ADS 2)
What happens if the ADS button is pushed?
- The onside ADS reverts to ADS 3
- The onside ADS reverts to x-side ADS if the button is pushed a second time
- The onside ADS returns if the button is pushed a third time unless the respective side is already failed
What indication would you get when you push the ADS or IRS pushbutton?
A white striped bar illuminates on the button
How would the pilot know if the ADS or IRS reversion button had been pushed?
An ADS or IRS flag would be displayed on the associated PFD
Is there an associated ADS or IRS source flag displayed anywhere?
Yes, on the PFD
Briefly describe what a Modular Avionics Unit is.
Its a cabinet that house modules assigned to different function in an integrated architecture and also avionic- and non-avionic functions
Where are MAUs 1 and 2 located? MAU 3?
1 and 2 are in the forward E-Bay. 3 is in the central E-Bay
What are the 2 power sources or MAU 1, 2 and 3?
MAU 1: DC1 and ESS 1
MAU 2: DC 2 and ESS 2
MAU 3 DC 2 and ESS 2
What does the SRC button do?
It alternates the CA and FO AFCS side as the data source
What does the green arrow on the FMA indicate?
The green arrow indicates the selected AFCS source
Is there an auto reversion for an IRS failure?
No, it must one manually reverted
When IRS 1 fails what must be done?
IRS 2 must be selected on the reversionary panel
What happens if the IRS button is pushed?
The respective IRS to the x-side IRS source
What is the primary flight instrument if both IRSs fail?
IESS
What type of approach is prohibited using the IESS
LOC BC
How does each pilot control the brightness of their EICAS, PFD and MFD display?
On their respective glare shield light control panel. The CA controls the EICAS
Where is the STBY/CLK brightness control located?
On the FO glare shield light control panel
How many aural warning controllers are installed?
2
What are the levels of aural alerts?
Emergency, level 3
Non-normal, level 2
Advisory, level 1
Information, level 0
What happens when the VSI exceeds 4,000ft/min?
The pointer parks ar the end of the scale and the digital display simply shows the actual vertical speed
The aircraft acceleration/deceleration is indicated how?
PFD, acceleration pointer
When does the EICAS automatic mode de-cluttering occur after takeoff
30 seconds gayer landing gear retraction and flap/slat retraction, if all parameters are displaying normal indications
Where do new EICAS messages appear?
Top of the EICAS list and flashes inverse video
What items are de-cluttered on the EICAS?
Oil pressure, oil temp, engine vibration, slat position, flap position, speed brake position, , landing gear position, pitch trim green band
After de-cluttering the EICAS, what info is displayed?
N1, ITT, Fuel, APU, Trim, Cabin
What does the EICAS FULL button do?
IN- inhibits auto declutter
OUT - enables auto declutter
When will the EICAS display all of its info?
- When the gear is down, flaps are extended, spoilers are deployed under normal conditions or APU is running
- EICAS FULL button pushed
- After EICAS auto declutter when a cautionary condition is detected on one of the decluttered indications
What color is course needle when using FMS, VOR/LOC and X-side data?
FMS: magenta
VOR/LOC: green
x-side info: yellow
The primary method of radio tuning is via the ___; the backup method is via the ___.
MCDU, CCD
The audio control panel display shows what?
VHF COM