Flaps & Slats

Question 1

Explain the movement of surfaces when going flap lever pos 2 to 3

Answer 1

No slat change

1 stage of flap

Question 2

VFE and VFE next are based on ____

Answer 2

Flap lever pos

Question 3

Over speed and VLS are based on____

Answer 3

Actual pos

Question 4

During dual channel failure, loss F&S - why is it necessary to select flap 1?

Answer 4

Engage Go around mode

Question 5

During G&Y dual HYD, why do you maintain Vapp/VLS during go around?

Answer 5

Part of the summary page
Slow to vapp before lowering landing gear
No THS avail

Question 6

Which spoilers are speed brakes

Answer 6

2,3,4

Question 7

Which spoilers are for roll?

Answer 7

2,3,4,5 and ailerons

Question 8

Which spoilers are used for ground spoilers?

Answer 8

1-5

Question 9

Explain phased lift dumping and its purpose?

Answer 9

Allows ground spoilers to deploy with reduced deflection
Can accelerate full spoiler deflection
Handy in crosswind and contam runway

Question 10

How long does it take to fully retract speed brake at high mach number

Answer 10

> 315kt M.75
Retraction rate is reduced
About 25sec

Question 11

How many flaps per wing? Powered by which HYD systems?

Answer 11

2

G/Y

Question 12

How many slats per wing? Which HYD sys?

Answer 12

5

G/B

Question 13

WTB

3 reasons

Answer 13

Asymmetry
Over speed
Uncommanded manoeuvre

Question 14

Limitation when diverting with flaps/slats ext

Answer 14

Cruise limited to 20,000ft

Question 15

Threats with F/S jam?

Answer 15

• AP down to 500’ latest
• tail-strike awareness
• go around speeds/config
• fuel penalty for Diversion?