Systems

Question 1

Climb power rule of thumb

Answer 1

88% N1 at sea level and then +1% each 5000’

Question 2

Apu powers which bus/busses

Answer 2

In flight: one only and defaults to AC1
On ground: Both AC busses

Question 3

Stabilized engine parameters

Answer 3

N1: 25
TGT: 410
N2: 50
Engine oil light out by 22% N2
Starter out around 40% N2
Approx figures

Question 4

Approach power settings/speeds

Answer 4

60-65% N1
Clean level 200kts
Flap 18 level 180kts
Flap 24 160kts
Flap 33 130kts

Question 5

Nose wheel steering ability?

Answer 5

70 degrees left and right (green system)

Question 6

Yellow system services

Answer 6

Inner spoilers
Flap*
Standby fuel pump
Emerg. Gear extension
Rudder*
Brakes*
Freight door
*=Both systems

Question 7

Green system services

Answer 7

Airbrake
Normal gear extension
Nose wheel steering
Centre/outer spoilers
Flap*
Rudder *
Brakes *
*=Both systems

Question 8

Engine bleeds

Answer 8

3 bleed ports per engine (from HP spool)
-aircraft air supply system
-eng intake ant-ice
-splitter lip ice protection

Question 9

Generators?

Answer 9

4 ac generators 115/200 400hz
-2 main (outboard engines 1/4)
-standby hydraulic
-apu gen

Question 10

What activates the standby generator

Answer 10

Loss of AC 1/2 power or
Switch put to o/ride
(When running other green services are lost and the packs are forced into fresh or hi flow mode)

Question 11

Hydraulic system redundancy

Answer 11

Yellow:
AC pump
DC pump (brakes and emerg. gear only)

Green:
Ptu

Nominal system pressure 3100psi

Question 12

What activates the hydraulic AC pump

Answer 12

Switch put on
Auto mode: loss of either EDP

Question 13

Oxygen systems

Answer 13

Min dispatch 1450psi
Valves fully anti clockwise to open
If system valve closed pull baro reset

Cabin hi alt alarm 9300’ +/-300
Mask drop at 14000’ +/-300 or by dump switch

Question 14

Gear horn

Answer 14

Low power and low speed (145-150kts and less than cruise thrust) - can cancel

Or landing flap selected with gear up - can’t cancel