Warning Systems Flashcards
When does the TO inhibiton logic operate?
V1-15kts to >400ft RA / ?Cas <60kts / 1 min
When does the LDG inhibition logic operate?
RA<200ft to 3s after touchdown / 1 min
What does CAS MSG mean?
Inconsistent number of messages from IC600 1 and 2
How many channels on the AWU, and what will the acft annunciate?
2
“AWU OK”
“AWU 1 CHANEL”
What are the levels and annunciations of the AWU?
4 levels Emergency - 3 chimes every second Abnormal - Single chime every 5 seconds Advisory - Chime Info - 0
What to do if you hear Windshear?
Max Thrust, GA button, follow FD
What do the PLI’s show and what are the categories?
Degrees of pitch to the stick shaker.
10-5 - green
5-2 - amber
0-2 red
When do the stick shaker and stick push operate?
Stick shaker 1.13Vs
Stick push Vs
Basic modes of the aeroplane?
ROLL and PITCH
What does the ADC, AHRS, SG buttons do?
ADC - Changes to X side ADC
AHRS - changes to X side AHRS
SG - changes to X Side IC600 (SG= Amber)
Is the AWU functional during an electrical emergency?
Yes
When would you get an aural TO warning?
Flaps not 9°
Parking brake on
Pitch/trim out of green range
Any spoiler panel deployed
In an electrical emergency, (loss of all 5 generators), what displays will still function
Both RMUs
EICAS
ISIS
What makes up the Stall Protection System SPS
One computer with 2 independent channels SPS panel 2 AoA sensors 2 stick shaker actuators 1 stick pusher actuator
When is the SPS ICE SPEED (BLUE) inhibited?
5 min after TO
Can the SPS ICE SPEEDS be reset in flight?
No, only on the ground
What systems feed / info does the EGPWS receive
Rad Alt, FMS, IC600, GPS, ADCs, AHRS, AWU, LDG GR, Flap
How many feet below the aircraft is terrain not shown?
2000ft
“Terrain is not shown if its elevation is within ‘XXX’ feet of the nearest airport elevation”
400ft
What system performs windshear protection?
EGPWS
What altitude is the windshear protection active below?
< 1500ft RA
What will the PFD display during a windshear go around event?
ROL in Lat Box
WCHR in Vert
PLI shown on attitude indicator
When does Windshear guidance end?
RA > 1500ft
FLC / VS / SPD / ALT mode selected
Invalid data
When does the stick pusher NOT activate?
On the ground (except during test).
Below 0.5 g.
Below 200 ft AGL. If radio altimeter has failed, this condition reverts to a 10-second delay after takeoff
If any cutout buttons are released.
Above 200 KIAS.
If at least one channel is inoperative
What are the colour coded dot-density categories of the EGPWS?
60s Impact caution - solid yellow
30s impact warning - solid red
2000ft above - high density red
1000ft above - high density yellow
1000ft above to 500ft below - medium yellow
500ft (250ft LG) to 1000ft below - medium green
1000ft - 2000ft below - light green
When do obstacle alerts trigger in EGPWS 216?
Caution 45s before impact
Warning 30s before impact