Powerplant

Question 1

Q1: What five idle settings do the A220 engines have? FCOM1(18-09-16)

Answer 1

A: 1) Minimum Idle Flight 2) Minimum Idle Ground 3) Approach Idle
4) Steep Approach Idle
5) Reverse Idle

Question 2

Q2: What altitude and airspeed can a cross bleed engine starter (ATS) assisted relight be conducted?

Answer 2

A: FL270, 250 KIAS or less

Question 3

Q3: What altitude and airspeed can an APU starter assisted relight be conducted?

Answer 3

A: FL230 and 250 KIAS or less

Question 4

Q4: What is the maximum altitude and minimum airspeed for a windmill relight? QRH(4-19-33)

Answer 4

A: FL270 and 250 KIAS or greater

Question 5

Q5: How is the engine fuel heated?

Answer 5

A: Through an oil/fuel heat exchanger

Question 6

Q6: On the ground the engine EEC automatically shuts off fuel, ignition and the SOV when it detects below 51% N1?

Answer 6

A:
1) No light off
2) Hot or Hung start
3) Loss of EGT signal
4) Seized Rotor

Question 7

Q7: During in-flight engine starts or during a second automatic attempt on the ground, how many ignition systems are used?

Answer 7

A:2

Question 8

Q8: Where are the green continuous ignition (IGN) symbols located?

Answer 8

A: Under the EGT icons on the EICAS page

Question 9

Q9: When do both ignitor systems operate automatically?

Answer 9

A: 1) Engine flame out detected
2) lnflight relight
3) Any inflight surge is detected
4) Approach idle or steep idle is set 5) Detected icing conditions
6) CAI is on

Question 10

Q10: What engine bleed air is used for CAI?

Answer 10

A: 6th stage

Question 11

Q11: What engine bleed air is used for air conditioning, pressurization and
wing anti-icing?

Answer 11

A: 4th and 81h stages

Question 12

Q12: What airspeed is the thrust reverser RPM automatically reduced to idle on landing? FCOM1(18-09-17)

Answer 12

A: Below 60KIAS

Question 13

Q13: If there is an engine failure on take-off with T0-2 selected what Thrust
setting does APR set the remaining engine to?

Answer 13

A: T0-1

Question 14

Q14: What airspeed does TLLS washout during take-off?

Answer 14

A: 80 KIAS

Question 15

Q15: Can de-rated thrust be selected on contaminated runways? (SUPP12)

Answer 15

A: The derated thrust procedure can be used on runways contaminated with standing water, slush or snow, if the contaminated runway performance data are used.

Question 16

Q16: Can flex thrust be selected on wet runways?

Answer 16

A: Yes. If wet runway performance data is used. (CAI & WAI OFF)

Question 17

Q17: When does APR activate?

Answer 17

A: When an engine N1 is 15% lower than the other engine during take-off

Question 18

Q18: How is the engine oil cooled? FCOM1(18-07-11)

Answer 18

A:
* Fuel/Oil heat exchanger
* Air/Oil heat exchanger
* Oil/Oil heat exchanger (VFG OOHE)

Question 19

Q19: When does the FADEC transition from flight idle to approach idle? FCOM1(18-09-17)

Answer 19

A:
The derated thrust procedure can be used on runways contaminated with
standing water, slush or snow, if the contaminated runway performance
When the aircraft enters the landing phase (transition below 400 feet RA),
when flap 4 is
selected (to configure for a flap 4 landing), or when the landing gear