ORAL* E145 Systems Crew Awareness

Question 1

Where does DAU #1 collect data from

Answer 1

Forward Airplane Systems and Engine 1

Question 2

Where does DAU #2 collect data from

Answer 2

Aft Aircraft systems and Engine 2

Question 3

How many Channels does each DAU have

Answer 3

2…Primary channel is A,

Question 4

How is DAU channel B selected

Answer 4

DAU reversionary panel on pedestal

Question 5

Integrated Computer 1 sends info to

Answer 5

PFD1, MFD 1, and EICAS

Question 6

IC 2 sends info to

Answer 6

PFD2 and MFD2

Question 7

How do you know IC1 has failed

Answer 7

Red X’s on PFD1, MFD1 and EICAS…also RMU 1 will show engine data automatically until SG button is pushed on left reversionary panel

Question 8

How do you know IC2 has failed

Answer 8

Red X’s on PFD2 and MFD2 See data with SG on reversionary panel

Question 9

PFD tube fails…how do you see PFD data

Answer 9

MFD selector on reversionary panel

Question 10

EICAS tube fails…how do you see data

Answer 10

EICAS sector on reversionary panel

Question 11

PFD 1 Power source

Answer 11

DC bus 1

Question 12

MFD 1 Power source

Answer 12

DC bus 2

Question 13

EICAS power source

Answer 13

Essential DC Bus 1

Question 14

MFD 2 Power?

Answer 14

DC Bus 1

Question 15

PFD 2 Power?

Answer 15

DC bus 2

Question 16

ISIS (Standby Inst..) Power?

Answer 16

Ess DC bus 2

Question 17

RMU 1 power?

Answer 17

Ess DC bus 1

Question 18

RMU 2 power

Answer 18

Ess DC bus 2

Question 19

ADC button on Reversionary Panel

Answer 19

Selects cross side ADC

Question 20

AHRS button on reversionary panel

Answer 20

Selects cross side AHRS

Question 21

SG (Symbol Generator Button)?

Answer 21

Selects cross side SG

Question 22

How do you test Integrated computer?

Answer 22

Test button less than 6 seconds…if you hold longer 6 seconds second level test performed

Question 23

Advisory Messages blink how long at first

Answer 23

5 seconds

Question 24

What messages can’t be scrolled

Answer 24

Warning

Question 25

Inhibit logic T/O

Answer 25

V1 - 15 though 2000 feet OR… less than 60 knots, OR after 1 minute

Question 26

Inhibit logic Landing

Answer 26

200 ft through 3 seconds WOW, or after 1 minute

Question 27

Comparison Monitors messages appear where

Answer 27

PFD…amber messages

Question 28

Amber TKNB message on top of PFD means?

Answer 28

Turn knob…its not in detent

Question 29

AWU how many channels?

Answer 29

2, A is primary…auto switch in failure

Question 30

If Both Aural warning units fail what do you see

Answer 30

AURAL WARNING FAIL

Question 31

TAKEOFF CONFIG WARNING when?

Answer 31

Thrust Levers above 60 degrees AND
Flaps not in T/O  and/or
parking brake is on  and/or
Pitch not in green   and/or
Spoilers deployed

Question 32

How many Channels Stall Protection System (SPS)? and disable how?

Answer 32

2…quick disconnect button on yoke when held down….or Stall protection 1 and 2 buttons can be tuned off

Question 33

SPS/ICE SPEEDS means what?

Answer 33

Ice protection logic is active

Question 34

What flap settings are affected by SPS/ICE SPEEDS?

Answer 34

9, 18, AND 22….stall protection occurs at lower angle of attack when active

Question 35

When is SPS/ICE SPEEDS inhibited

Answer 35

within 5 minutes after T/O, can only be reset on ground with SPS test button

Question 36

Stick pusher inhibited

Answer 36

on ground except test mode
below .5g
if button pushed
below 200 ft
if any cutout buttons released
above 200 knots
If one channel is INOP

Question 37

SPS Test button is lit…what does it mean

Answer 37

not tested or failed test

Question 38

What do Pitch Limit Indicators show?

Answer 38

remaining pitch margin until shaker

Question 39

Are pitch limit Indicators or Low Speed Awareness displays corrected for Mach compensation at higher altitudes or excessive AOA rate?

Answer 39

Pitch Limit…yes….Low speed awareness, no

Question 40

When do you see Pitch Limit Indicators on EADI?

Answer 40

When 10 degrees to shaker

Question 41

TOO LOW GEAR when? (EGPWS)

Answer 41

descent below 500 AGL, 190 knots or less

Question 42

TOO LOW FLAPS when? (EGPWS)

Answer 42

245 AGL 159 knots with gear down and flaps not configured