APU

Question 1

Type

Answer 1

Allied Signal RE 220

Question 2

APU max Operating Altitude (ft)

Answer 2

41.000

Question 3

Max Alt APU Bleed Air

—> Packs (ACUs) (ft)

Answer 3

25.000

Question 4

Max Alt APU Bleed Air

—> Engine Start (ft)

Answer 4

25.000

Question 5

APU Gen Max Load (kVA)

Answer 5

40

Question 6

APU max RPM (%)

Answer 6

106

Question 7

APU max continuous

On ground

Answer 7

682 - 789

Question 8

EGT

In-flight

Answer 8

773 - 806

Question 9

APU max EGT

Answer 9

1.038

Question 10

OVSPD

auto shutdown in-flight & on ground

true or false?

Answer 10

true

Question 11

OVTP
auto shutdown at touch-down
+ how many seconds?

Answer 11

60

Question 12

Min OAT for cold soaked APU

start on ground (degrees Celsius)

Answer 12

-40

Question 13

APU starter motor duty cycle

max starts / start attempts / hr

Answer 13

3

Question 14

Min delay for APU start between cycles (in Min)

Answer 14

2

Question 15

Starter cut-out on ground (% rpm)

Answer 15

46

Question 16

Ignition cut-off (% rpm)

Answer 16

95

Question 17

Max Alt for APU start in-flight (ft)

Answer 17

37.000

Question 18

Starter cut-out-in-flight (% rpm)

Answer 18

60

Question 19

APU max EGT during start

degrees Celsius

Answer 19

692 - 1.038

Question 20

APU AVAIL (approx % rpm + secs)

Answer 20

99 + 2