Indicating And Recording Systems Flashcards
What do the red Chevron’s represent during declutter?
The Chevron’s always point in the direction of level flight
Low speed cue?
Provides an indication of the speed margin to stick shaker
Top of the low-speed cue corresponds to the onset of the stick shaker
DECLUTTER?
Clears all nonessential information from the PFD during unusual attitudes
Radio altimeter?
0-2500’. … Digital readout
0-1225’ …… Tape
When does the flight data recorder operate?
The Beacon or strobe lights on
Or weight off wheels
When does the CVR start recording?
As soon as power is applied to the aircraft
How long does the cockpit voice recorder record?
30 minutes
ULD ?
Underwater locator device on the FDR and CVR
FDR records for how long?
25 hours
Green line?
1.26 times stick pusher
Low speed awareness Cue
V1?
Take off action speed
V2?
Take off Safety speed
Vt?
Target speed
AHRS Alignment?
IRS?
AHRS 7 min
IRS. 1 min
CVR ( cockpit voice recorder) starts recording when?
Power is applied to aircraft
Records 120 minutes
Can CAUTION messages be boxed?
YES
if both main gens are online
Controls operable on ECP failure?
PRI. STAT
CAS. STEP
CAS MISCOMPARE
miscompare of warnings cautions aural alerts
Between DCU’S
If ED1 failure?
ED1 auto displays on ED2
ECP is inop with”either” ED failure
…. To regain , source select panel and select operative ED
Does xfr occur with ED2 failure?
NO
How many aural alerts?
10
When does takeoff config extinguish?
Upon rotation
FDR records ? Hours data
25 hours
From DCU1
FDR operates when?
Becon on Or Strobe on Or Weight off wheels
ULD?
Underwater locator device
On FDR and CVR
Activated by water
Takeoff config? Systems checked?
A/P Flaps Spoilers Horiz stab Pkg brake Rudder trim Ail trim
Can advisory messages be removed from view?
NO
Status message indicates?
Abnormal condition
Low priority
If failure of either EICAS screen.. The ECP will be inop until?
Source select panel .. Set to operative EICAS
ED1fails?
ED1 will automatically display on ED2
DCU’s located?
Avionics comp
DCU’s are used to?
Transmit info to -EICAS
- FDR
- LDU
Also used for aural warnings
What produces audio signals?
DCU’s
FDR vs CVR?
FDR25hours
CVR30minutes
What provides visual and aural alerts?
CAS
Crew alerting system
Are all 6 crts interchangeable?
Yes
Heart of the EICAS system?
DCUs
DCUs transmit data to ?
EICAS displays
Lamp driver unit
Mdc
FDR
Pushing the master warning switchlt will?
Extingish both lts for duration of warning
Reset for future warnings
Does pressing master warning switchlt silence aural warnings?
Yes…. except for
Stall Gpws/tcas Overspeed clacker Stab trim clacker Ap disc Config warning Ldg gear warning horn
Can we disable GPWS/TCAS by pressings DCU disable switches?
No
When can we box caution msgs?
When both engines stabilized at idle
Sys pg 529
Caution msgs boxed, and new caution?
Appears abv the MSGS ICON
N2 gauge arc markings turn white with wing anti-ice …
0-77%
Ldg gear/slats info is removed when..
Ldg gear is up
Slats flaps up
Brake temps are normal
Sys pg533
Brakes temps are removed when?
Brake temps normal
Flaps slats up
Ldg gear is up
ED1 failure??
Auto xfr to ED2
What does the DCP do?
Controls presentation on MFD
PFD
NORM
EICAS
Is there auto xfr if PFD failure?
No
Use display reversionary panel
Xfrs PFD to MFD
Display reversionary panel allows?
Display of either PFD or STATUS pg
On the MFD
TOO LOW GEAR?
Any landing gear not down and locked
Radio altimeter less than 500 feet
IAS Less than 190 knots
What is the heart of the EICAS SYSTEM?
DCUs
Pressing both DCU 1/2 switches Will?
Silence all aural warnings
Xcpt …
EGPWS & TCAS
ECP stands for?
EICAS control panel
When will the DCU process inhibit logic?
Initial take off
Final takeoff
Landing phases
The display reversionary panel will overly ine of what two pages on the MFD when selected?
Either the PFD or
The status page
What does the source select panel do in reference to the EICAS knob?
Allows all EICAS pages to be displayed on the functional ED 1 or 2 … can only view one page at a time selected on the ECP
What is the heart of the EICAS system
DCUs
Yellow flags on the PFD indicate?
Difference between both PFDs
efis comp mon
