Indicating / Recording DSC 31 PFD Flashcards
When do the Side Stick Order crossbars and Max Sidestick Deflection corners appear on the PFD?
As soon as 1 engine is started
What does the Sidestick Order indication indicate?
The total of the Captains and FO’s sidestick orders (eg. left wing down, pitch up)
When does the Ground Roll Guidance Command Bar appear on the PFD?
When the aircraft is on the ground, or below 30ft RA provided that a localiser signal is available.
What does the Ground Roll Guidance Command Bar on the PFD indicate?
The Flight Director yaw orders to maintain the aircraft on the runway centreline
When is the yellow outline of the fixed aircraft symbol on the PFD dimmed?
When TRK-FPA is selected, unless the FMA is in TOGA or FLX mode
a) How does the PFD change when the Roll Index indicates bank angle >45 deg?
b) when does the PFD return to normal?
a) All PFD symbols disappear except for: Attitude Speed Heading Altitude Vertical Speed
b) Bank angle <40 deg
a) How does the PFD change when the Pitch angle exceeds 25 deg NU or 13 deg ND
b) when does the PFD return to normal?
a) All PFD symbols disappear except for: Attitude Speed , Speed Trend Heading Altitude Vertical Speed
b) Pitch angle <22 deg NU or 13 deg ND
When do the large red arrow heads on the PFD appear to show direction to move the nose?
Pitch Attitude >30 deg
What do the green = symbol indicate on the PFD?
On the roll scale -mark the bank angle protection availability
On the pitch scale -mark the pitch limits at 15 deg ND or 30 deg NU
What does the trapezoidal index beneath the roll index indicate on the ground?
lateral acceleration of the aircraft
What does the trapezoidal index beneath the roll index indicate in flight?
Show sideslip (as computed by FAC)
When does the sideslip index change from yellow to blue?
When:
- CONF 1, 2 OR 3 is selected, and
- Any ENG EPR >1.25 or 1 Thrust Lever >MCT/FLX, and
- Difference between ENG EPR >0.25
What is the minimum airspeed indication on the PFD?
30kt
What does the tip of the speed trend indicate?
The speed the aircraft will reach in 10 sec if its acceleration remains constant.
When will the speed trend:
a) appear?
b) disappear?
a) >2 kts
b) <1 kt, or if the FAC’s fail
What does a magenta triangle indicate on the airspeed tape?
Target airspeed,
calculated by the FMGC in
managed speed mode
What does a blue triangle indicate on the airspeed tape?
Target airspeed,
manually entered on the FCU in
selected speed mode
What do magenta = symbol(s) indicate on the airspeed tape?
ECON speed range
What does a green = symbol on the airspeed tape indicate?
The speed at which overspeed protection becomes active:
VMO+6 kt, or
MMO+0.01
When can the magenta = ECON Speed range symbols be expected on the airspeed tape?
In descent mode with ECON/AUTO SPD mode active.
Showing upper and lower limits as calculated by the FMGC.
What is the upper speed of the ECON speed range?
Target speed +20kts
limited to VMAX or VMO -3kts, or MMO -0.006
whichever is the lowest
If a speed limit or speed constraint applies, the upper margin is limited to ECON SPD +5 kts
What is the lower speed of the ECON speed range?
Target speed -20kts
limited to green dot, F, S, or VLS, whichever is highest
What is VLS?
Minimum Selectable Speed
Top of the amber strip
Represents lowest selectable speed providing appropriate margin to the stall
When is VLS information inhibited?
Touchdown until
10 sec after lift-off
What is Alpha Protection Speed?
Top of the black and Amber strip
Represents speed corresponding to angle of attack at which Alpha protection becomes active
When is Alpha Protection speed displayed?
in Pitch Normal Law
What is Alpha Max speed?
Top of a red strip
Represents speed corresponding to maximum angle of attack aircraft can attain in pitch normal law
When is Alpha Max speed displayed?
in Pitch Normal Law
What is VMAX?
Lower end of red and black strip
The lowest of:
- VMO / MMO
- VLE
- VFE
What is VSW?
Stall Warning Speed
Top of red and black strip
Speed corresponding to the stall warning
When is VSW information inhibited?
from touchdown,
until 5 secs after lift-off
When is VSW displayed?
When operating in:
Pitch Alternate Law, or
Pitch Direct Law
What does F represent?
Minimum flap retract speed
When does F appear on speed tape?
when the flap selector is in position 3 or 2
When does S appear on speed tape?
when the flap selector is in position 1
What does an amber = symbol on the airspeed tape indicate?
The VFE corresponding to the next flap lever position
When does VFE next appear on the airspeed tape?
when aircraft altitude is below 15000ft (or 20000ft depending on FAC standard)
What does green dot indicate?
Engine-out operating speed in clean configuration
Appears when aircraft flying in clean config
Best lift/drag ratio
How is VR depicted on the speed tape?
cyan circle
How is V2 depicted during take-off on the speed tape?
by the target speed index (magenta triangle)
When does the altitude window change from yellow to amber?
when the aircraft deviates from the FCU selected altitude or flight level
When will the altitude numbers change from yellow to amber?
when the aircraft goes below the minimum on any approach for which a minimum is entered in the FMGC
When is the green (magenta -YUD) linear deviation ball displayed on the altitude tape?
From top of descent down to MAP altitude
What does the green (magenta -YUD) ball on the altitude tape represent?
the altitude corresponding to the theoretical vertical profile computed by the FMGC
What is the range of the Linear Deviation ball?
+-500ft
What happens when the linear deviation value exceeds +-500ft?
symbol stays at range limit
symbol -half filled green circle (full circle if magenta -YUD)
PROG page displays exact value of linear deviation
How is target altitude displayed on the altitude tape?
Blue rectangle -FCU selected altitude/FL
Magenta rectangle -FMGC constraint
When does radio height appear?
less than 2500ft in green
When does radio height appear in amber?
a) If DH in MCDU?
b) If no DH entered in MCDU or both FMGC’s fail?
If DH in MCDU:
when RA < DH+100ft
DH not entered in MCDU:
RA <=400ft
What is displayed when the aircraft reaches the decision height selected on the MCDU?
DH letters above the radio height indication flash amber for 9 secs (3 secs -YUD) and then remain amber
When is the brown (blue -YUD) Landing Elevation horizontal bar displayed?
During flight phases 7 and 8 (800ft to touchdown to 80kts), and
QNH reference mode selected
What does the red ribbon on the rhs altitude scale represent?
Field elevation
When is the red ribbon on the rhs altitude scale displayed?
Below 570ft
Displayed vertical speed information is normally based on ……….?
Both Inertial and barometric data.
How is vertical speed information displayed if inertial data is not available?
The window around the numerical value becomes amber
Landing Elevation bar is based on………?
Barometric altitude
Ground Reference ribbon is based on……..?
Radio altitude
What are the graduation intervals of the analog vertical speed pointer?
500ft/min
At what V/S value will the pointer stay at the end of the scale?
6000ft/min
When does the digital format of V/S display green?
When V/S >= 200ft/min
When do the analog pointer and digital V/S indication become amber?
- V/S >6000ft/min
- V/S >2000ft/min during descent below 2500ft RA
- V/S >1200ft/min during descent below 1000ft RA
What are the 2 Flight Director modes?
HDG V/S
TRK FPA
If FD1 Fails, what does PFD1 display?
FD2 orders, automatically
FD2 on FMA flashes for a few seconds
In HDG V/S, When do the FD bars flash for 10sec and then remain steady?
- A reversion to the HDG V/S basic mode (manual or automatic), or
- Selected flight level is changed when ALT CAPTURE mode is engaged
- Loss of LOC or GS in LAND mode or loss of LAND mode, or
- At the first AP or FD engagement
When does the LOC scale flash on the PFD?
If deviation exceeds 1/4 dot for 2 sec,
aircraft between 15ft - 1000ft, and
CAT2 or CAT3 capability displayed on FMA. and
either LOC, LAND, or FLARE engaged
When does the glideslope scale flash on the PFD?
If deviation exceeds 1 dot for 2 sec (above 100ft RA)
How is the Outer marker and Middle marker displayed when overflying them?
OM -blue
MM -amber
When would an amber flashing LS message appear during an ILS?
When the APPR mode is armed bu the LS pb has not been selected
What does the tailstrike pitch limit represent?
The maximum pitch limit that would avoid a tail strike with the main gear struts compressed.
When does the tailstrike pitch limit appear?
400ft RA
a) Which computer generates an altitude warning (C chord and yellow pulses/amber flashes), when the aircraft approaches or deviates from a selected altitude/FL?
b) What information is being compared
a) FWC
b) Altitude (ADIRS) and FCU selected altitude
When is the C chord aural altitude alert inhibited?
When approaching the selected altitude with AP engaged
When is the altitude alert inhibited?
- when slats are out, with landing gear selected down, or
- In approach after aircraft captures glideslope, or
- Landing gear locked down
How can the altitude alerts be cancelled?
- selecting a new altitude
- pressing EMER CANC pb on ECAM control panel
- pressing either MASTER WARN pb
Aircraft approaching altitude and within 750ft, what are the indications/warnings?
- 1.5sec C chord (inhibited if AP engaged)
- normal yellow altitude window changes to pulsing yellow
- steady yellow window once within 250ft of selected altitude
Aircraft deviating from altitude by more than 250ft, what are the indications/warnings?
- altitude window flashes amber
- continuous aural C chord
All flags on PFD except V1 INOP (SI and DME1-YUD) which are steady, flash for how many seconds?
9 secs and then remain steady.
DH flashes for 3 secs and then remains steady -YUD only
